3 VAR: Amp. 0.05V. SB: 72.93d, K 16.4k/s, V@-(0) -6.6k/s, asini 15.8. D: Occultation triple 5.0, 7.5v, 0.00003", third component 7.5v at 0.002". 5 D: 6.43 dG4, 7.19 dG8, 106.83y, a = 1.432". Component B has possible invisible companion, period 6.9y. DYN: ".051. 6 D: CPM. G: 61 Cyg group. 7 S: Also classified B8IV-Ve. 10 S: Shell star. 11 N: 4 Cet in Psc. 12 VAR: ADS 89B, 11 - (14v. D: CPM. 14 N: 5 Cet in Psc. SB: 96.41d, K 23.8k/s, V@-(0) +1.1k/s, asini 31.3. D: Blue companion? Sep. 0.002". 15 N: ALPHERATZ; Alpherat; Sirrah; Sirah. Also formerly called @Greek(d) Peg. S: Gallium II lines strong. Hg. Manganese star. Spectrum appears earlier at shorter wavelengths. VAR: @Greek(a) CV 2.02 - 2.06V, 0.9636d. Some spectral lines vary same period, others half period, some non-variable. SB: ADS 94A, 96.6960d, K 30.1k/s, V@-(0) -11.6k/s, asini 34.2. R: Radius 5 solar. G: Pleiades group. 18 VAR: Amp. 0.07V. 20 D: 6.6 A6IV, 6.9 A8IV, 300y, a = 0.686". Combined mag., color. DYN: ".009. G: Hyades group. 21 N: Caph; Chaph; Kaff; Al Sanam al Nakah. C: Color excess E(B-V) = 0.00. VAR: @Greek(d) Sct 2.25 - 2.31V, 0.10430d. SB: Optical companion, 27d. 23 D: Combined mag., color. 26 D: Companion 9.44V, +0.34(B-V), -0.14(U-B). 27 G: In neutral hydrogen region. 32 D: AB, CPM, combined mag., color. Component B, 8.2 F 3/5 IV, HD 662. C, 14v at 20". 38 G: Cas-Tau OB1. 39 N: ALGENIB. C: Color excess E(B-V) = +0.01. S: Lyman @Greek(b) observed from COPERNICUS. Chlorine in spectrum. VAR: @Greek(b) C 2.80 - 2.87V, 0.1517495d. SB: 6.830713d, K 1.34k/s, V@-(0) 2.5k/s, asini 0.181. RV: RV also varies period 0.151750125d. 40 S: Combined spectrum variously classified as F7V, G0V, G0III. D: AB 6.7 G3III, 7.5 F2IV, 217y, a = 0.420". ADS 161C, 10.37V, K0, at 18", physical. DYN: ".0065. 45 S: Ultraviolet FeII emission. VAR: Amp. 0.13V. 46 VAR: Lb? 5.06 - 5.16V. D: CPM. G: Hyades group. 48 S: Ultraviolet FeII emission. VAR: Lb 4.26 - 4.46V. G: Wolf 630 group. 49 G: Pleiades group. 50 VAR: Ell 6.0 - 6.03V, 0.841678d. SB: ADS 191A, 0.8417d, K 89.9k/s, V@-(0) +2.6k/s, msin@+(3)i 0.295, asini 1.04. Equal masses. D: Close equal magnitude pair, sep. 0.0003", found by occultation. Third component ADS 191B, visual, 7.8v dA7 at 12". Period apsidal motion, 3y. Possible radio binary. 53 SB: Published RV range from -75 to +14k/s. 55 D: 6.8 B8V, 7.1 B9V, 1600y, a = 1.260". Combined mag., colors. 56 D: CPM. 57 G: @Greek(z) Her group. 60 D: Fixed sep. 61 VAR: 6.6 - 7.4v. 63 G: Possible Eggen group with V = +5k/s. Other members: HR 118, 378, 1046, 1706, 2375, 2572, 3131, 3894, 4564, 5482, 5843, 6153, 6250, 6355, 6446, 7102, 7124, 7340, 8709. 65 VAR: EB 5.96 - 6.11B, O9III+O9III, 3.523487d. Spontaneous var. in period. Polarization indicates circumstellar envelope possibly related to mass exchange. SB: 3.5236d, K 223.4k/s, V@-(0) -31.1k/s, msin@+(3)i 10.1, asini 10.8. Apsidal period about 70y? vsini of secondary, 145k/s. G: In neutral hydrogen region. 68 VAR: @Greek(d) Sct? G: Sirius group; UMa stream. 70 VAR: ADS 254B, 9.5 - 12v. D: CPM. 72 S: Metal rich star with normal Doppler broadening. Also classified G3V and G5IV-V. 74 N: Deneb Kaitos Shemali; Deneb Kaitos Al Shamaliyy. VAR: Amp. 0.05V. D: Component B, 12.87v at 63", optical. 81 D: B9.5, A2. 85 S: Technetium star. VAR: SRb 6.6 - 7.7p, 158.9d. G: @Greek(z) Her group. 86 D: Optical. 88 G: Hyades group. 89 S: Overabundant gallium. 90 S: CO emission. Technetium star. Also classified S6.5IIIe and S4/4eZr6Ti2. VAR: M 5.8 - 14.9v, 409.16d. 91 VAR: ADS 328. Uncertain which component varies. Probably eclipsing. SB: ADS 328A, 27.8d, K 30k/s, V@-(0) -18k/s, asini 11.2. D: ADS 328B, 8.0 at 0".2. However, ADS 328 appeared single in 1953. G: Cas-Tau OB1. 92 VAR: Tycho's Nova Cas 1572. Brighter than first mag. at maximum. 95 G: Globular cluster 47 Tuc. 97 D: Suspected double probably single. G: Sirius group? 98 S: Lithium/calcium ratio = 10 times solar value. G: @Greek(z) Her group. 99 N: ANKAA; Nair al Zaurak; Cymbae; Lucida Cymbae; Head of Phoenix. SB: 3848.83d, K 5.8k/s, V@-(0) +75.2k/s, asini 289. D: A* 2.38 K0III, 10.538y, a = 0.072". 101 VAR: Amp. 0.36V. 102 G: Sco-Cen assoc. 103 VAR: SR 4.65 - 5.42V, 49d, replaced by cycles 70 - 85d. G: @Greek(z) Her group; Hyades group. 104 SB: 3.9558d, K 41.7k/s, V@-(0) +2.0k/s, asini 2.24. 105 C: IR source. VAR: Lb 4.7 - 4.90V. 107 G: Wolf 630 group. 108 S: Combined spectrum variously classified F9V, G0V, G4IV. D: 7.2 G1V, 7.2 G1V, 5.625y, a = 0.134". Combined mag. and colors. 109 G: @Greek(s) Pup group. 112 G: 61 Cyg group. 113 D: ADS 412AB, CPM. G: Open cluster, NGC 129 #201. 114 S: Spectrum classified variously as Am, A7III, F2V. VAR: @Greek(d) Sct 5.18 - 5.22V, 0.0696d. D: ADS 409B 13.3v at 3" CPM with A. 115 S: Luminosity class uncertain III-V. 117 D: Optical. 118 G: Possible Eggen group, with HR 63, q.v. 121 G: Member of local association (Pleiades group.) 123 D: 5.5 B7.5V, 5.8 B8.5V, 640y, a = 0.586". Combined mag. and colors. Components 14 and 13 solar masses. 125 D: Optical. G: Hyades group; Sco-Cen assoc. 126 D: CPM with HR 127 of which both are close binaries. Also CPM with HR 136. Faint companion at 14". G: Pleiades group. 127 D: CD 4.9 A2V, 5.6 A7V, 44.43y, a = 0.385". Combined mag., colors. D-C = 1.17V. DYN: ".020. 128 S: Also classified A0pSi. 130 VAR: Amp. 0.07B, 0.09028d. SB: 0.14035d, strongly modulated. G: Cas OB14. 132 VAR: Suspect eclipsing because invisible at time of occultation. RV: Early determination of vsini, 260k/s. D: ADS 449A is triple occultation system, 6.2, 6.9v, sep. 0.031"; third component 8.8v at 0.196". ADS 449B, 9.7v at 27.5". AB are CPM. 134 SB: ADS 455A. D: ADS 455AB, CPM. B, 10.4v K0V. C, 12.3v at 60". 136 D: Short period binary. Both components A-type. Sep. 0.099". CPM with HR 126 and 127. 138 S: Spectroscopic companion may be the cause of the bright ultraviolet. 139 VAR: @Greek(d) Sct 6.06 - 6.15V, 0.04931 and 0.0604d. 142 S: A possible overluminous system of about one solar mass. VAR: ADS 490A?, @Greek(d) Sct? SB: ADS 490A, 2.0819d, K 38.4k/s, V@-(0) +11k/s, asini 1.10. D: AB 5.6 F7V, 6.3 G0V, 6.94y, a = 0.20". Combined mag., colors, spectrum. DYN: ".049. G: Hyades group. 146 G: Cas OB14. 149 SB: Probable SB with period about 400d. 151 S: Sr. 153 G: Cas-Tau OB1. 154 SB: ADS 513A, 143.6065d, K 47.5k/s, V@-(0) +8.35k/s, msin@+(3)i 27.1, asini 77.7. Unresolved by speckle interferometry. D: AB 103000?y. Component B spectrum A5, RV +11.9k/s. Component C, 11.4v at 55" optical. 155 VAR: @Greek(b) CMa 6.1 - 6.12v, period 0.09165d not confirmed. RV and line profiles also var. 159 D: 6.3 G7V, 6.4 G8V, 25.00y, a = 0.670". Combined mag., colors. DYN: ".063. G: 61 Cyg group. 161 G: @Greek(s) Pup group. 164 D: Companion optical. 165 SB: ADS 548A, 15,000d, K 4.0k/s, V@-(0) -8.5k/s, asini 1040. Unresolved by speckle interferometry. D: AB CPM. Component C, 15.2v at 48" optical. 167 D: Binary. 168 N: SHEDIR; Schedar; Schedir. VAR: Cst 2.23V. D: D is 8.5v K2IV-V, vsini < 54k/s. All components probably optical. 170 VAR: Cst 6.68V. 175 G: UMa stream. 178 D: Suspected visual double is probably single. Unresolved by speckle interferometry. 179 SB: 940.2d, K 11.9, V@-(0) -10.6, asini 141.0. G: Cas-Tau OB1. 180 G: In Ursa cluster? Sirius group? 182 N: Andromeda Nebula. 183 VAR: About 4d. D: CPM. 184 SB: 1.9642d, K 120.5k/s, V@-(0) +12.9k/s, msin@+(3)i 1.47, asini 3.25. vsini of companion, 63k/s. 185 D: A0, A9. 186 N: Called CPD -60*49 in HR, previous ed. BS, and HD. Misnumbering in CPD has led to confusion of CPD numbers in -60* zone. 187 SB: F7, F5, 4.8202d, K 26.1k/s, V@-(0) +14.1k/s, asini 1.73. 188 N: DIPHDA; Deneb Kaitos; Difda; Difda al Thani; Rana Secunda, the "Second Frog" (the "First Frog" is Fomalhaut = HR 8728). 189 M: High velocity star, possible runaway. 191 G: Sco-Cen assoc. 192 VAR: ADS 624A, EA 5.7 - 6.11p, 4.467224d, i 87.95*. SB: 4.4672d, K 73.0k/s, V@-(0) +8.1k/s, asini 4.48. D: Physical pair. 193 S: Shell star. VAR: Amp. 0.15:V, 0.3:R. Per. yrs?. SB: 1033d. K 19.0, V@-(0) -18.7, asini 268. D: CPM. G: Cas-Tau OB1. Member of Pleiades group. 194 G: Wolf 630 group. 196 D: AB CPM. G: Sirius group? 202 D: Occultation triple: 4.3, 6.5v sep. 0.00002", and 6.5v at 1.0". 203 G: Wolf 630 group. 205 SB: Period at least 2500d. 208 SB: 33.75d, K 16.3k/s, V@-(0) -4.1k/s, asini 6.90. 211 VAR: L 5.7 - 6.1v. 214 VAR: @Greek(d) Sct? 5.99 - 6.03V, 0.1040d. G: Hyades group. 215 S: CaII emission. VAR: Component A of visual system, EB 4.06 - 4.20V, 17.7684d. SB: Component A of visual system, 17.7692d, K 26.3k/s, V@-(0) -23.7k/s, asini 6.43. Possible X-ray source 3U0032+24. D: AB CPM. Companions probably optical. 217 G: Hyades group. 219 N: Achird, according to Becvar; Allen says "unnamed". SB: ADS 671A, 9.209d, K 2.2k/s, V@-(0) +9.2k/s, asini 0.249. RV: Component B, +11k/s. D: AB 3.45 G3V, 7.51 K4Ve, 480y, a = 11.994". Combined mag., colors. Component B, vsini : 25k/s. Companions C-H optical. A possible invisible companion with period about 40y. DYN: ".177. 224 R: Occult. diam. = ".0042. 225 SB: 13.8208d, K 58.5k/s, V@-(0) +4.9k/s, msin@+(3)i 1.14, asini 10.9; vsini both components < 17k/s. D: The two companions probably optical. 226 SB: 4.2828d, K 75.6k/s, V@-(0) -23.9k/s, msin@+(3)i 1.49, asini 4.45; vsini of secondary, 11k/s. 227 D: CPM. G: @Greek(h) Cep group. 230 D: CPM with HR 231. G: Hyades group. 231 D: CPM with HR 230. G: Hyades group. 233 SB: vsini of secondary, 50k/s. 234 S: Possible subdwarf. CrII, MgII, TiII, SrII, EuII but no trace of SiII. VAR: @Greek(a) CV 6.10 - 6.14V, 2.156d. Also var. K-line, same period. 235 G: Sirius group; UMa stream. 237 G: Cas OB7. 238 VAR: @Greek(d) Sct 6.34 - 6.37V, 0.1360d; sinusoidal components 0.0526 and 0.0396d. 239 VAR: @Greek(d) Sct 5.20 - 5.25V, 0.055d. 242 VAR: @Greek(d) Sct 5.17 - 5.27V, 0.110d. 243 G: Wolf 630 group. 244 S: Ultraviolet deficiency. SB: ADS 721A, 127.951d, K 1.6k/s, V@-(0) +22.5k/s, asini 2.35. Unresolved by speckle interferometry. 245 D: Optical. Combined mag. and color. 247 D: Fixed sep. 250 D: AB CPM. Component B, dG4. 251 RV: Comp. B -9.4k/s. 253 D: AB optical. 254 D: AB 6.23 A1V, 6.89 A4V, 360.4y, a = 0.700". Combined mag., colors. DYN: ".011. 257 VAR: Lb? 5.60 - 5.80V. 258 D: AB 6.02 G6IV, 6.41 K6IV, 164.68y, a = 1.014". Combined mag., colors. DYN: ".022. 263 G: Wolf 630 group. 264 C: IR excess. S: First emission-line star discovered, by Angelo Secchi in 1866. VAR: ADS 782A, @Greek(g) C 1.6 - 3.0v. Spectrum and color vary. Expanding circumstellar shell. High velocity variable mass-loss. Variable hydrogen emission, 0.7d. Variable SiIV, CIV, polarization. Variable X-ray source. H@Greek(a) indicates rotating disc-like envelope. D: AB CPM. G: Cas-Tau OB1; exciting star of HII region S185; in reflection nebula; two peculiar elephant trunks of very different colors: IC 59 and IC 63. 265 S: Possible BaII star. G: Wolf 630 group. 266 SB: ADS 784A, 4.2424d, K 88.2k/s, V@-(0) -3.2k/s, msin@+(3)i 1.65, asini 4.57. D: AB 6.0 B8V, 6.6 B9V, 83.4y, a = 0.252". Total mass, 6 solar. Primary is a mercury-manganese star. DYN: ".007. 269 D: All components optical. 271 SB: 115.71d, K 17.9k/s, V@-(0) -10.3k/s, msin@+(3)i 0.338, asini 28.5; both components vsini < 17k/s. G: UMa stream. 276 G: UMa stream. 277 D: ADS 805, 790y. 278 G: Hyades group. 280 S: Weak helium-line star. Also classified B8IIIp. Circumstellar cloud. SB: About 100y. Companion suspected of being black hole. 282 D: Visual binary with HR 283. 283 D: Visual binary with HR 282. Color for blended images. 284 VAR: Lb 5.95 - 6.12V. 289 SB: ADS 862A. D: 6.7 A3n, 8.0, 450y, a = 0.816". DYN: ".010. G: Hyades group. 290 G: UMa stream. 291 SB: 81.12d, K 54.3k/s, V@-(0) +10.4k/s, msin@+(3)i 0.547, asini 26.4. 301 D: AB binary. Component B, G8V. 302 G: Cas-Tau OB1. 304 VAR: Amp. 0.10V. 308 S: Luminosity variously classified as II, III, V. SB: ADS 889A. D: Visual pair optical. 309 G: Hyades moving group. 310 D: CPM with HR 311. Third component optical. 311 D: CPM with HR 310. 313 D: CPM with HR 314. Faint companions probably optical. G: Wolf 630 group. 314 D: CPM with HR 313. G: Wolf 630 group. 315 G: Sirius group; UMa stream. 316 G: Normal iron-content raises questions regarding membership in Arcturus moving group. 317 SB: Small amp. RV, equal comp. 318 D: AB optical. 321 N: Marfak. Name shared with HR 343. S: Metal deficient star. SB: 8393d, K 2.8k/s, V@-(0) -90k/s, asini 308. Masses 0.8 and 0.3? solar. Unresolved by speckle interferometry. D: A* 5.15 G5Vp, 18.5y, a = 0.166". @Greek(D)m 2V, sep. 1.4". Subdwarf. Five visual and one astrometric components. 322 D: Mag. and color blend of close pair 4.2, 4.2v. C, 11.5v at 57". 323 S: Also classified B9IV Mn. SB: 10.6157d, K 52.21k/s, V@-(0) +17.89k/s, msin@+(3)i 0.540, asini 7.43. 324 G: Hyades group. 327 G: Hyades moving group. 330 VAR: @Greek(d) Sct? D: Companions probably optical. G: UMa stream. 331 D: 5.8 A2IV, 6.2 A4IV, 28.5y, a = 0.209". Combined mag., colors. G: Sco-Cen assoc. 334 N: Dheneb; Deneb; Deneb Algenubi. 335 D: 4.6 B6IV, 5.5 B9V, 371.6y, a = 0.447". Combined mag., colors. Masses 16 and 10 solar. DYN: ".003. 336 D: Suspected visual double is probably single. 337 N: MIRACH; Merach; Mirac; Mirak; (al Mizar). S: Ultraviolet FeII emission. 338 S: Phosphorus in spectrum. VAR: Primary component of visual system. EA 3.92 - 4.42V, 1.6697664d, i 84.7*. SB: 1.6698d, K 130.6k/s, V@-(0) +19.6k/s, msin@+(3)i 3.83, asini 3.00. Rotation apsides 32.5y. Secondary of SB, vsini 68k/s. D: AB 4.2, 7.0v close binary; vsini of B, 87k/s. C, 7.0 F7V at 6.6" CPM. 343 N: Marfak. Name shared with HR 321. VAR: @Greek(d) Sct? SB: Unresolved by speckle interferometry. G: Hyades moving group. 345 VAR: Cst? 5.50 - 5.60V. 347 VAR: l 7.1 - 9.0p. 348 D: Unresolved by speckle interferometry: probably single. 353 G: Wolf 630 group. 356 D: AB CPM. Component B, 10.25V, +0.79(B-V), +0.29(U-B), G1V. 359 VAR: @Greek(d) Sct? 5.93 - 5.98V, 0.05d. 360 SB: ADS 995A. D: B CPM, 9.11V, +0.92(B-V), +0.25(U-B). 361 SB: ADS 996A, RV var. by 45k/s. D: CPM with HR 362 at 24". ADS 996A is close occultation double, 6.3, 6.3v, 0.05":. Component B, HR 362; C, 12.2 at 1". 362 SB: ADS 996B, 9.0750d, K 51.1k/s, V@-(0) +10.4k/s, asini 6.37. D: CPM with HR 361. ADS 996B is occultation double, 6.7, 8.7v, 0.001". 363 S: Also classified S3Zr1Ti3. G: @Greek(s) Pup group. 364 S: Hg-Mn star. 365 M: Mag. 7.38V and colors from Nicolet. However, HD gives 6.38ptm, 7.38ptg. Abt and Biggs RV Bibliography quotes 6.20V; and AGK3 has 7.7ptg. 366 D: CPM. Component B, G7V. 368 D: Component C is faint diffuse nebula, NGC 450. 370 G: Hyades group. 371 C: IR source in this approximate position corresponds to a Seyfert galaxy. 373 VAR: SRd?, amp. 0.2?V. 377 D: CD 7.8 G5, 8.2, 86.2y, a = 1.12". Quadruple system consisting of two close CPM pairs separated by 320": CPD -69*45, components AB, 5.1, 7.3, 5" and CPD -69*44, components CD. 378 G: Ursa cluster? UMa stream. Possible Eggen group, with HR 63, q.v. 382 D: ADS 1073, quintuple system: A = NGC 457 #136; B, 12.3v at 49"; C = NGC 457 #131 = HD 7902, 6.99V, +0.42(B-V), -0.38(U-B), B5Ia at 134", vsini : 25k/s; D, 10.19V, +0.29(B-V), -0.47(U-B) at 179"; E, 10.63V, +0.28(B-V), -0.52(U-B) at 170". G: In open cluster NGC 457, #136. 385 D: BC 7.4, 7.6 21.5y, a = 0.136". Combined spectrum A1V. 390 N: Adhil. SB: 17.7673d, asini 6.272. 391 D: AB 7.1, 7.3v, binary, combined mag. and color. Components C, 12.8v at 46" and D, 10.50v at 249" probably optical. 394 RV: Component B, -6k/s. D: CPM. 395 SB: 35.371d, K 39.0k/s, V@-(0) +13.3k/s, msin@+(3)i 0.440, asini 14.7; vsini same for both components, 15k/s. G: Hyades group. 399 D: ADS 1129B, 13.5v, 3" CPM with A. Component C optical, 9.18V, +0.66 (B-V), +0.34(U-B), Am. 400 G: Wolf 630 group. 401 VAR: @Greek(d) Sct 6.20 - 6.22V, 0.070d. 402 D: Probably optical. 403 N: Ruchbah; Rucba; Rucha; also Ksora in Becvar. C: Color excess E(B-V) = +0.27. VAR: EA? 2.68 - 2.76V, 759d. G: Hyades group. 404 SB: 16.14y, K 40.1k/s, asini 1270. D: 6.6 F3V, 6.8 F4V, 16.14y, a = 0.1884". Combined mag. and color. 405 G: Wolf 630 group. 407 SB: 5.4291d, K 14.5k/s, V@-(0) -15.9k/s, asini 1.00. 410 G: Hyades moving group. 414 G: Wolf 630 group. 415 G: Hyades moving group. 417 D: AB binary, B 11.7v at 2"; CD 10.4, 10.4 sep. 4.9" at 120" from A. G: Hyades moving group. 418 D: Optical. 419 D: Binary. Companion 9.38V, +0.19(B-V), +0.00(U-B), A8V, vsini 48k/s. 420 G: Sco-Cen assoc. 422 S: Shell star. RV: Two published values of vsini are 35 and 135k/s. G: Member of the local association (Pleiades group); in neutral hydrogen region. 423 VAR: SRb 9.1 - 12.8p, 370d. D: CPM. 424 N: POLARIS; Alruccabah; Cynosura; Phoenice; Lodestar; Pole Star; Tramontana; Angel Stern; Navigatoria; Star of Arcady; Yilduz; Mismar. VAR: C@Greek(d) 1.92 - 2.07V, 3.969778d. Period increases 53 sec./century. Probably unreddened. SB: ADS 1477A, K 4.1k/s, V@-(0) -16.4k/s, asini 482. Period 6-8y? Unresolved by speckle interferometry. RV varies in 2 periods, 3.968d pulsation, 27.6y revolution of unseen blue companion. D: A* 2.0 var. F8Ib, 30.46y, a = 0.038". AB physical; B, 8.20V, +0.49(B-V), +0.16(U-B), F3V, 0.0 color excess, vsini : 60k/s; C, 13v at 43"; D, 14v at 83". G: Red star Pleiades group. 426 D: CPM. Component B is BD+7*214, 8.02V, +0.53(B-V), +0.06(U-B), G0. 427 SB: 134.078d, K 19.9k/s, V@-(0) +1.1k/s, asini 34.9. Unresolved by speckle interferometry. 428 G: Hyades group. 429 VAR: 3.39 - 3.49V. SB: 193.85d, K 16.0k/s, V@-(0) +26.0k/s, asini 42.6. 431 VAR: @Greek(d) Sct 6.56 - 6.59V, 0.090d. 432 VAR: @Greek(d) Sct 5.90 - 5.92V, 0.131d. 433 G: Sco-Cen assoc. 434 R: Diam. ".0030. 435 VAR: Amp. 0.15V. 436 D: CPM. 437 VAR: ADS 1199B, 8.0 - 11.5v? D: CPM. 439 S: vsini of secondary, 200k/s. 440 G: Sco-Cen assoc. 443 D: Probably optical. 446 S: Si star. VAR: 0.6674d, 0.018V. 458 SB: 197.9d, K 1.8k/s, V@-(0) -27.7k/s, asini 4.79. Unresolved by speckle interferometry. D: Both visual companions probably optical. 460 RV: Uncertain. Two discordant sources, -19 and +22. 461 S: Also classified K1Ia and K0IICN+2. G: UMa stream. 462 D: 6.0 F3V, 7.1, 1875.6y, a = 12.395". Probably combined mag. and color. 464 N: 51 And also called @Greek(u) Per but outside IAU boundaries of Perseus. 465 S: Spectra show high uranium to thorium ratio. Promethium doubtful. Anomalously high abundance of heavy elements. 1000-fold overabundance for the rare earths Mo and Nb; 100 for Sr and Zr; lanthanides 100,000 times; uranium a million times more abundant than in solar system. VAR: @Greek(a) CV 6.27 - 6.41V, 36.5d; Sp. and magnetic field var., 22-24y. UII and PmII lines vary in 6.7 hrs. SB: 273.2d. 466 D: 6.8 F5, 7.2, 28.3y, a = 0.19". 467 D: Possible radio binary. Visual companion optical. 471 G: Wolf 630 group. 472 N: ACHERNAR. S: Lyman @Greek(a) and Lyman @Greek(b) observed from COPERNICUS. VAR: EB or Ell. Amp. 0.02V. Also H@Greek(a) var. emission. Possibly high velocity mass-loss. Expanding circumstellar shell. R: Diam. = ".00185 - ".00192. G: Sco-Cen assoc.; member of Pleiades group. 473 G: Sco-Cen assoc. 476 G: Hyades moving group. 477 D: CPM. Component B, 11.53V, +0.65(B-V), +0.04(U-B). 478 VAR: @Greek(a) CVn? 5.55 - 5.64V, 3.16d. 479 RV: Component B, -4k/s. D: CPM. Combined mag., colors. 481 S: Manganese star. 482 D: Third component @Greek(D)m 4.74v, 110" from A. 483 D: Astrometric binary 20y, a 0.12", @Greek(D)m 3-4v. Companion 25% solar mass. G: Hyades group. 484 SB: ADS 1326A, 4.4347d, K 81.5k/s, V@-(0) +4.6k/s, msin@+(3)i 1.16, asini 4.94. D: AB CPM; B is F2III; C optical. 485 G: UMa stream. 486 N: With HR 487 called p Eridani. D: Binary with HR 487, q.v. 487 D: AB 5.79 K0V, 5.83 K0V, 483.66y, a = 7.817". B is HR 486. Combined light HR 486-487, 5.07V. Colors for combined light. DYN: ".108. 488 G: Foreground star, Cas OB8. 491 SB: ADS 1344A. 493 G: Sco-Cen assoc. 495 G: 61 Cyg group. 496 S: FeII, H in emission. VAR: @Greek(g) C 4.03 - 4.11V, 19.5d. Amp. varies in per. 127d. Possible mass- loss. Expanding circumstellar shell. SB: 126.696d, K 42.5k/s, V@-(0) 0.0k/s, msin@+(3)i 14.2, asini 73.2. Unresolved by speckle interferometry. Both components appear to be shell stars, B2Ve and B3Ve. Shell-line velocities do not satisfy SB elements. P: Intrinsic polarization, probably due to circumstellar matter. G: In neutral hydrogen region; Cas-Tau OB1. 497 G: Ursa cluster. 498 G: Sco-Cen assoc. 499 D: 6.4 A2, 7.8 F0, 573.52y, a = 1.07". 503 SB: 78.0073d, K 20.1k/s, V@-(0) -3.7k/s, asini 21.6. 510 N: Torcularis Septentrionalis. 511 S: Iron rich star. D: Component A, astrometric binary unresolved by speckle interferometry. 514 D: AB 5.4 F1V, 8.6 G9V, 1192.2y, a = 4.652". C 15.0v at 15", D 11.5v at 142". 515 VAR: @Greek(d) Sct 6.54 - 6.59V, about 0.2d. 516 D: CPM. 526 SB: ADS 1438B. D: Component C 8.4v at 21", D 10.2v at 137". 530 D: Binary. Component B 7.3v A6V, P.A. 166*; RV, 1.8k/s, variable. Confusion in literature as to which component is HD 11154, which 11155. Probably combined mag. and color. G: UMa stream. 531 S: Variously classified F2III, IV, V; F1V. D: CPM. Companion, dG1 is HD 11131. G: Sirius group? UMa stream. 533 VAR: E? 5.46 - 5.68y. SB: 15.6d, K 10k/s, V@-(0) -9k/s. G: In neutral hydrogen region; Cas-Tau OB1. 534 N: 54 Cet in Aries. G: UMa stream. 536 SB: 5.6270d, K 26.5k/s, V@-(0) +11.4k/s, asini 2.05. 537 G: Probable Hyades group. 539 N: Baten Kaitos. SB: Component A of visual double. 1652d, K 3.3k/s, V@-(0) +9.2k/s, asini 60.5. Unresolved by speckle interferometry. D: Second visual component optical. 542 N: Called Segin in Becvar; Allen gives Ruchbah, a name more commonly applied to HR 403. S: Helium weak. Shell star. Usually classified B3Vp. G: Cas-Tau OB1; member of Pleiades group. 544 N: Metallah; Mothallah; Atria; Caput Trianguli; Ras al Muthallah; Elmuthalleth. SB: 1.7365d, K 12.4k/s, V@-(0) -20.0k/s, asini 0.296. D: Visual companions probably optical. 545 N: The HD numbers and other data, especially spectral classes, for HR 545-6 have frequently been interchanged. HD 11502 is the brighter = HR 546, while HD 11503 = HR 545 is the slightly fainter N. prec. component B of ADS 1507. VAR: Sp. var. 38 min. D: Binary with HR 546, q.v. Combined colors. 546 N: Mesarthim; Mesartim; "First Star in Aries". S: Also classified A0p Cr. VAR: @Greek(a) CV 3.88 - 3.90V, 2.604 or 1.7982d; also possibly 2.5 hrs., amp. 0.02. Southern component of ADS 1507. Magnetic var. D: Binary with HR 545, orbital period 5000 - 10000y? Component C, 9.6v at 221". Combined colors for HR 545-6; combined mag. 3.88V. G: Pleiades group. 548 SB: 69.92d, K 29.6k/s, V@-(0) -24.8k/s, asini 27.1. G: Pleiades group. 553 N: Sharatan; Sheratan; Al Sharatain. VAR: @Greek(d) Sct? SB: 106.9973d, K 37.1k/s, V@-(0) -4.0k/s, asini 23.8. One of the most eccentric orbits known: e 0.892. Binary unresolved by speckle interferometry. 555 VAR: SR 4.3 - 4.5V, 30d. G: @Greek(g) Leo group. 556 D: ADS 1534B not CPM with HR 557, component A. G: Region of NGC 752. 557 D: ADS 1534AP, CPM, 11.9v at 18". G: Region of NGC 752. 558 S: Hg-Mn star. 559 VAR: EA? 6.42 - 6.84p, 47.9?d. 560 D: 6.76 F7, 6.76 G0, 170.3y, a = 1.05". Masses 1.34 and 1.29 solar. Combined mag., color. DYN: ".024. 561 VAR: 6.00 - 6.30V. 562 S: Hg-Mn star. RV: Hydrogen lines show period 5.01d; metallic lines do not. Possible unseen secondary. 563 SB: 1567.66d, K 10.8k/s, V@-(0) -4.9k/s, asini 217. Unresolved by speckle interferometry. D: Sep. 0.01". 566 D: CPM. G: Sco-Cen assoc. 567 D: Optical. 569 VAR: ADS 1563B, 5.5 - 6.8v. D: ADS 1563B, 7.40V, +0.58(B-V), +0.07(U-B), dG1, CPM; vsini : 25k/s. 575 N: Also called A Cas. VAR: ADS 1598B. B-A varies 1.5 - 3.0v. SB: ADS 1598A, 20,146.1d, K 4.0k/s, V@-(0) -8.5k/s, asini 776. D: AB 4.71 A4V, 6.41 F2V, 60.44y, a = 0.653". Perturbation periods of 26 or 39y suspected. C, 13.6v, 24" CPM; D, 13.0v 48" optical. Additional unseen companion suspected. DYN: ".027. G: Sirius group? 577 D: ADS 1582AB, 8.5, 11.0v, sep. 2.3" at 188" from the bright component D. C, 9.2v at 31" from A. 585 S: Ultraviolet FeII emission. G: @Greek(z) Her group. 587 VAR: SR? 5.40 - 5.61V. 591 N: Head of Hydrus. 592 D: ADS 1625AB, CPM. 593 G: Sco-Cen assoc. 595 D: Binary with HR 596, q.v. 596 N: Alrisha; Alrischa; Alrescha; El Rischa; Al Richa; Rescha; Okda; Kaitain. D: 4.18 A2P, 5.21 Am, 720y, a = 2.655". Colors for combined light. Combined mag. 3.82V. DYN: ".017. 599 VAR: ADS 1621. Uncertain which component varies. B-A from 4.5 - 6.0v. G: UMa stream. 600 G: Sco-Cen assoc. 601 R: Occult. diam., two determinations, ".0026 and ".0036. 603 N: ALMAAK; Almach; Alamak; Almak; Almaach. D: CPM with HR 604. G: Red star Pleiades group. 604 SB: ADS 1630B, 2.67d, K 141k/s, V@-(0) +2.5k/s, msin@+(3)i 1.76, asini 4.95; vsini of both components 70k/s. D: BC 5.5 B8V, 6.3 A0V, 61.1y, a = 0.296". ADS 1630BC CPM with HR 603. Component D, 15v at 28". Possibly also CPM with BD+41*408 at 53'. DYN: ".010. 605 D: AB 5.90 F8IV, 7.27 F9V, 288.0y, a = 1.256"; or 355.928y, a = 1.354". Other published periods have ranged from 247 to 925y. Combined mag., colors. DYN: ".016. 607 G: Sco-Cen assoc. 610 D: ADS 1634AB CPM. B, G5V; C at 83" optical. 612 VAR: Amp. 0.035v, 1.89d. 613 SB: 15.2938d, K 34.5k/s, V@-(0) +11.5k/s, msin@+(3)i 0.137, asini 5.75. 614 VAR: SR 6.20 - 6.38V, about 20d. R: Diam. ".0022. 617 N: HAMAL; Hemal; Hamul; Ras Hammel; El Nath (obsolete). The name Arietis also used both for the star and the constellation. 618 S: Shell star. VAR: Amp. 0.065V. Sp. var., H@Greek(a) profile var. G: NGC 869; Per OB1. 622 SB: 31.3884d, K 33.3k/s, V@-(0) +15.2k/s, msin@+(3)i 1.45, asini 12.2. G: Hyades group. 625 VAR: Amp. 0.08V. 627 D: B, @Greek(D)m 6.9v at 5.6". G: Per OB1; h Per. 628 D: CPM with HR 629. 629 D: CPM with HR 628. 634 SB: vsini both components 30k/s. 640 S: vsini of G0 component, 70k/s; of B9 component, 85k/s. 641 G: Per OB1; h Per. 642 VAR: Amp. 0.075V pulsating? SB: Comp. A: 14.732d, K 56.5k/s, V@-(0) -19.1k/s, msin@+(3)i 1.12, asini 11.4. Comp. B: 2.2365d, K 95.4k/s, V@-(0) -19.8k/s, msin@+(3)i 0.905, asini 2.93. D: Binary. Companion F6V. 645 N: 6 Per on boundary Per/And. SB: 1650d, K 13.5k/s, V@-(0) +27.3k/s, asini 203. Unresolved by speckle interferometry. G: 61 Cyg group? 646 M: Possible nearby star on basis of spectroscopic parallax. 647 D: 6.6 F3V, 7.08 F6V, 144.7y, a = 0.908". Combined mag., colors. DYN: ".025. G: Sirius group; UMa stream. 648 G: @Greek(z) Her group. 649 D: Sep. 0.012". 650 D: AB binary; B, dG4; C, 11.5v at 173". 652 G: Sco-Cen assoc. 653 G: Probable Hyades group. 654 G: NGC 869 = h Per; Per OB1. 656 G: Hyades group; Mel 25 #157. 657 M: Possible nearby star on basis of spectroscopic parallax. 660 SB: ADS 1739A, 10.0201d, K 9.4k/s, V@-(0) -5.9k/s, asini 1.30. D: Probably optical. G: @Greek(z) Her group. 662 N: Sometimes misidentified as @Greek(x) Per. C: Heavily reddened. G: May not be member of Per OB2. 663 VAR: M 6.7 - 14.6v, 396.17d. M: Proper motion from AGK3. Earlier McCormick determination, +.007",-.002". 667 VAR: 5.52 - 5.58V. 672 SB: 93.50d, K 19.4k/s, V@-(0) +25.8k/s, asini 22.3. 674 C: Color excess E(B-V) = 0.00 S: Neutral carbon continuum shows discontinuities in UV. D: Companion G2V? G: Pleiades group. 676 SB: vsini of secondary, 110k/s. 681 N: MIRA. C: The tabulated magnitude and colors refer to a time near maximum. Another determination at 6.99V gives (B-V) +1.56, (U-B) +0.12, (R-I) +3.08. S: Stratoscope II observations indicate infrared H@-(2)O bands. SiO maser source. Technetium found in spectrum. VAR: Two variables: Mira and VZ Cet. Mira, ADS 1778A, M 2.0 - 10.1v, 331.86d; var. CO emission from circumstellar envelope. Speckle interferometry indicates large abrupt variation of diameter as a function of wavelength. Hydrogen lines vary on time scale of 1-2 days. ADS 1778P, Ne "Novoides" class, VZ Cet, 9.5 - 12.0v, dBe. D: AP var. M7IIIe, var. dB, 400y, a = 0.85". The faint companion was first predicted in 1920 by Joy on the basis of an apparent SB orbit. First seen by Aitken in 1923. Visible only when Mira is faint. Light variations on scale of hours superimposed by variations of 10-15 min. and rare flares of 2 min. duration. Components B, 13v at 73" and C, optical. DYN: ".0058. Masses A 15.7, P 4.0 solar. P: Polarization possibly due to circumstellar dust scattering. 685 S: Shell star. VAR: Amp. 0.05V. Sp. and H@Greek(a) profile var. RV: Var. in period over 200d. D: Fixed. G: Per OB1. 690 VAR: C@Greek(d), amp. 0.123V, 7.572d. 693 G: Wolf 630 group; Sco-Cen assoc. 696 G: Per OB1; in cluster @Greek(x) Per; NGC 884. 704 S: Strong shell star absorption; no emission. 706 SB: 142.33d, K 17.8k/s, V@-(0) +0.7k/s, asini 33.3. 707 S: Strong SrII, CrII. VAR: ADS 1860A, @Greek(a) CV, 4.50 - 4.53V, 1.74058d. Also magnetic and Sp. period. D: AB 4.64 A5p, 6.89 F5, 840y, a = 2.270". A* 4.64 A5p, 52.4y, a = 0.113". Unresolved by speckle interferometry. ABxC 4.51 A5p, 8.40 G7V, 6.706" periastron for parabolic orbit. vsini of C, : 50k/s. DYN: ".012. R: Diam. relative to sun = 2.9. 709 SB: 10.9903d, K 46.5k/s, V@-(0) -5.3k/s, msin@+(3)i 0.506, asini 6.91. 710 S: Uranium 3860 in spectrum. VAR: @Greek(a) CV 5.71 - 5.88V, 2.997814d. Magnetic var. SB: ADS 1849A, 2.997814d. K 17.7k/s, asini 0.712. D: AB CPM. G: Sirius group; UMa stream. 715 G: Sco-Cen assoc. 716 VAR: ADS 1878A, spectrum variable, shell star. D: Companion A3IV. 721 G: Pleiades group. 722 VAR: 6.4 - 6.51V, amp. 0.09R. 724 G: Sco-Cen assoc. 727 G: Sco-Cen assoc. 728 D: ADS 1904AB binary; B, 11v. 729 VAR: @Greek(d) Sct 6.11 - 6.14V, 0.08d. 732 VAR: @Greek(d) Sct? 733 VAR: 6.49 - 6.51V, 0.05d, pulsating. G: Hyades group. 735 G: Wolf 630 group. 736 G: Wolf 630 group. 742 G: Probable Hyades group. 746 D: Companions optical. 749 D: Binary. Companion 7.83V, +0.20(B-V), +0.15(U-B), A7V; vsini 167k/s. 750 VAR: 7.0 - 7.14p. D: Companion, A5, optical. 751 G: Wolf 630 group. 752 D: Optical. 753 D: Visual companion 11.7v dM6 at 165", CPM. A* 5.84 K3V, 50y. Mass of invisible companion 0.12 solar. Companion at 2" probably about 5v fainter. Unresolved by speckle interferometry. 754 D: Binary. Companion 9.08V, +0.56(B-V), +0.19(U-B), F7V. G: Sirius group; UMa stream. 758 C: IR source. VAR: M 5.4 - 12.6v, 266.43d. M: Proper motion from AGK3. Earlier McCormick determination, +.022",-.013". 763 D: Sep. 0.021". 764 D: CPM with HR 765. HR 764 formerly misidentified as the SB = HR 765. Data for HR 764 and 765 have frequently been interchanged. 765 SB: ADS 1982A, 1.1095d, K 22.4k/s, V@-(0) +14.4k/s, asini 0.341. D: CPM with HR 764. G: Hyades group. 768 D: B 12v, 8" optical; AC CPM; D, @Greek(D)m 5.97v at 40" from A. 769 S: Also classified A0III. 774 S: BaII star. 777 G: Sco-Cen assoc. 779 VAR: @Greek(b) C 4.05 - 4.10V, 0.1611383d. Per. changed 1965, then increased about 0.7 sec./century. SB: 0.15d, possibly two periods of oscillation. G: Cas-Tau OB1. 780 SB: 3.1662d, K 53.6k/s, V@-(0) +42.6k/s, asini 2.33. 781 SB: 975.9d, K 2.2k/s, V@-(0) +16.4k/s, asini 28.3. D: 5.6 F6V, 5.6 F6V, 2.67y, a = 0.108". Combined mag., colors. 782 D: CPM. 785 SB: Double lines suspected. 787 D: Optical. 788 SB: 331.0d, K 21.4k/s, V@-(0) -21.8k/s, msin@+(3)i 0.744, asini 72.3. Speckle interferometer measurements combined with spectroscopic yield masses 1.28 and 1.05 solar. D: Sep. 0.053". DYN: ".046. 789 G: Sco-Cen assoc. 790 VAR: ADS 2046. @Greek(d) Sct?. Uncertain which component varies. 791 SB: 2.5364d, K 55.1k/s, V@-(0) +4.3k/s, asini 1.92. 792 D: AB fixed. G: UMa stream. 793 D: AB 6.2, 12.2v, 19" about 6y. Occultations indicate A is triple system, 7.0v A1, at 0.06", and 8.0v at 0.2". Aa unresolved by speckle interferometry. 797 VAR: @Greek(d) Sct? G: UMa stream. 798 RV: Two sources RV, +11 and -12k/s. 799 D: AB 4.13 F7V, 9.87 M1V, 2720y, a = 22.289". C probably optical. DYN: ".095. 801 SB: 490d. Short period 2.6d not confirmed. K 8.8, V@-(0) +13.0, asini 58.7. G: Cas-Tau OB1. 802 SB: F3, F5, 12.9274d, K 58.1k/s, V@-(0) +5.8k/s, msin@+(3)i 1.24, asini 10.0. 803 D: AB CPM. 804 N: Kaffaljidhma; Al Kaff al Jidhmah. D: AB binary, combined mag., colors. CPM with BD+2*418, 10.2v M6 at 840". G: UMa stream. 805 G: Sco-Cen assoc. 806 G: Pleiades group. 808 G: Wolf 630 group. 812 VAR: @Greek(d) Sct 5.18 - 5.22V, 0.046 and 0.061d. 813 VAR: @Greek(d) Sct? SB: F1, F4 1202.2d, K 14.4k/s, V@-(0) +32.5k/s, asini 211. Unresolved by speckle interferometry. D: Occultation binary. Combined mag., color. Sep. 0.05". G: Hyades moving group. 814 RV: Both components 16k/s. D: Binary. Combined mag., color. 815 VAR: EA 6.18 - 7.72V, 1.1952473d. Period varies irregularly. i 82.14*. May have two dark companions with orbital periods 23 and 105y. SB: 1.1953d, K 68k/s, V@-(0) -40k/s, asini 1.12. Masses 1.8 and 0.6 solar. G: In reflection nebulosity. 818 SB: 958d, K 3.0k/s, V@-(0) +3.0k/s, asini 35.3. 819 G: Probable Hyades group. 820 D: AB binary. 823 D: 7.1 F5, 7.1 F8, 28.5y, a = 0.279". 825 VAR: Amp. 0.038V. G: Per OB1; vicinity of Perseus double cluster. 828 G: Probable Hyades group. 829 VAR: C@Greek(d) 5.78 - 6.16V, 1.949319d, possibly changing. RV varies in same period. G: In reflection nebulosity. 832 VAR: SRb 7.0 - 8.6p, 80d. Secondary cycle 746d. G: Wolf 630 group. 834 N: Miram in Becvar; Allen says unnamed. C: Large infrared excess. S: Ultraviolet FeII emission. D: Component B, B9V, CPM, vsini 149k/s. G: Red star Pleiades group. 836 SB: ADS 2151A, 3.854d, K 24.8k/s, V@-(0) +7.8k/s, asini 1.31. D: AB CPM. B 8.8v at 3.2"; C 10.72V, +0.60(B-V), +0.60(U-B) at 25". A is close pair found by occultation, sep. 0.00004". 838 D: Optical system. G: Pleiades group. 839 SB: 8.2504d, K 12.9k/s, V@-(0) -5.8k/s, asini 1.42. 840 VAR: @Greek(d) Sct? 844 D: AB CPM, B, 13v at 12"; C, optical. 846 D: AB, 7.2, 9.2v sep. 0.2" possibly optical; AC binary. 850 N: Angetenar; Al Anchat al Nahr; Anchat. 851 G: Wolf 630 group. 854 SB: ADS 2202A, 1515.6d, K 19.0k/s, V@-(0) +2.2k/s, asini 271. vsini of secondary, 50k/s. D: A* 4.06 G4III+A4V, 4.149y, a = 0.028". Speckle interferometry sep. 0.073". Circumstellar material surrounding the pair? Visual companions 10.7v at 51", 11.8v at 4" possibly optical. 855 VAR: @Greek(d) Sct? SB: ADS 2200A, 1269d, K 4.8k/s, V@-(0) +2.4k/s, asini 73.0. D: AB 5.9 F4V, 6.5 F6V, 62.326y, a = 0.197". Nearly equal components, 3.7, 4.3 solar. Component C, 9.7v at 14", CPM? DYN: ".013. 859 N: Bayer's @Greek(s) Eri in this position: no @Greek(s) found in any other source. 861 G: Cam OB1. 862 S: IR spectra show water vapor. 863 G: Sco-Cen assoc. 865 D: Component B, 15v, possibly spurious. 867 VAR: SRb 5.62 - 6.01V, 30d. R: Occult. diam. = ".0095 - ".0014. 868 S: OH emission strong in infrared. SiO maser. VAR: M 4.7 - 14.3v, 403.97d. 869 SB: 3507d, K 6.7k/s, V@-(0) +12.1k/s, asini 308. Unresolved by speckle interferometry. 872 G: Sirius group? 873 S: Underabundance of magnesium and oxygen. VAR: @Greek(a) CV 5.03 - 5.14V, 2.88422d, same for RV and line-intensities. Also var. magnetic field and H-lines. Rotating spotted star. SB: 2.88d. G: Member moving cluster in Perseus. 874 N: Azha. G: Wolf 630 group. 875 G: UMa stream. 878 G: Hyades group. 879 N: Gorgonea Secunda. 881 D: Binary. Companion F7IV. 884 S: H/met indicate A3/F5 respectively. Also classified F2:m. Sr4077 strong. SB: Nearly equal components. 885 S: G5:III CN-4 CH-1 Ca 1 H@Greek(d)-1. Also classified G8III CH weak. 887 VAR: Uncertain if HR 887 or 888 is the variable suspect. D: Binary with HR 888. Mag. and color for combined light. 888 D: C, 12.7v at 146". 890 D: CPM with HR 891. G: Per OB3. 891 D: CPM with HR 890. G: Per OB1? 894 S: Shell star. 896 N: Menkar, a name usually used for HR 911. 897 N: ACAMAR. D: Binary with HR 898. Uncertain which component var. 898 D: Binary with HR 897. 901 S: Variously classified gA9, A9n, F2V. G: Hyades moving group 904 VAR: Lb? 6.11 - 6.29V. 906 SB: ADS 2348A, 11.665d, K 4.5k/s, V@-(0) -7.4k/s, asini 0.691. D: ADS 2348B probably optical. G: UMa stream. 907 S: Strong CN. 911 N: MENKAR; Mekab; Menkab; Monkar. S: Ultraviolet FeII emission. VAR: Amp. 0.06V. Spectrum var. 913 SB: F8V+G5V, 363.10d, K@-(1) 24k/s, K@-(2) 30k/s, V@-(0) +16k/s, a@-(1)sini 87, a@-(2)sini 109. 915 SB: 5350d, K 12.7 or 21.9k/s, V@-(0) +2.5k/s, msin@+(3)i 4.87, asini 648. vsini of secondary, 50k/s. D: SKYLAB observations indicate cool star with hot companion. Sep. 0.2". Unresolved by speckle interferometry. M: Close to error box of X-ray source 3U0305+53. 917 S: Strong CN. VAR: ADS 2312B, 8.5 - 11.0V. D: CPM. 919 G: UMa stream. 921 N: Gorgonea Tertia. VAR: SRb 3.30 - 4.0V, about 50d with possibly slow var. in mean brightness in 1100d period. G: @Greek(z) Her group. 927 D: Binary with HR 928. Colors for combined light. Triple system with C, 10.8v at 5". 928 D: See HR 927. 936 N: ALGOL; Gorgona; Gorgonea Prima; Demon Star; El Ghoul. C: Color excess E(B-V) = +0.03. S: B8V+G. VAR: ADS 2362A is the prototype Algol star, first discovered as variable by Montanari in 1669. The first period determined by Goodricke in 1783 who also interpreted the variations as due to eclipses. The prototype star proves to be a more complicated system than most of the Algol type stars. A compact triple system with separation of the components well under 0.1". The components usually designated Algol A, B, C, sometimes A, a, P. Two formerly additionally designated components D and E, inferred on the basis of an apparent 32 year apsidal motion, are now considered spurious. These various Algol components must not be confused with the visual components ADS 2362 B-E, optical companions at much greater distances from A. ADS 2362A, EA 2.12 - 3.40V, 2.86732442d, abrupt period changes. Orbital and rotation periods synchronized. Rotational velocity 65k/s. Radio flares extending to about 1 A.U., not associated with X-ray activity. Radio flare activity appears correlated with period discontinuities, attributed to "starquakes." Mass flow from K to B8 component at rate of 1.8x10@+(-8) solar masses/year. Possible circumstellar material associated with radio or H@Greek(a) emission. SB: Algol ABxC: 1.8613y, K 12.0k/s, V@-(0) +3.7k/s, msin@+(3)i 3.91, asini 109. Spectra B8V, G5IV, Am. Mass Algol AB, 5.3 suns; C, 1.8 suns. Circumstellar gas fills Roche lobe of hot component. ADS 19356A: 2.8673d, K 44.0k/s, V@-(0) var., asini 1.73. D: A* var. B8V, 1.873y, a = 0.015". Apparent apsidal period 28.4y. Resolved by speckle interferometry: sep. 0.086", 2-3v fainter than primary. This may be Algol C. Four visual companions all optical: B, 12.7v at 59"; C, 12.5 at 67"; D, 10.5 at 82"; BC sep. 15"; E, 12.5v at 11" from D. M: One of the few known galactic radio sources in which the dominant star is normal. 21cm radio source. 937 G: Mel 20 #44, but not cluster member; Per OB3. 938 VAR: @Greek(b) C 6.1 - 6.23V, 0.15275d. Possibly a SN 4.9 million yrs. ago. SB: 0.15275d. Amp. and V@-(0) variable. D: Sep. 0.03". M: Runaway star from Ori OB1 association at 59k/s. Presumably originated in Ori 1 assoc. Its space vel. is twice that of HR 1712 = AE Aur and opposite that of HR 2688. These three stars and HR 1996 (@Greek(m) Col) appear to be receding from an HII shell of about 110000 solar masses expanding at 10k/s. 939 S: Helium-weak star. D: Interferometric double, 6.3, 6.3v. Combined mag. and color. 940 R: Diam. ".0021. 941 D: Companion optical. G: Hyades group. 944 G: Member of the local association (Pleiades group.) 945 VAR: Constant light but large H-line variation. 947 N: Gorgonea Quarta. 949 G: Mel 20 #138; Per OB3. 950 G: Member of the local association (Pleiades group). 951 N: Botein. G: Hyades group. 954 VAR: @Greek(a) CV 5.67 - 5.71V, 0.7278925d. Spectral variations (SiII, HeI, same period). Possible 30 min Sp. var. suggesting star spots related to magnetic field. Silicon abundance varies 10 to 100 times solar, and magnesium 0.03 to 10 times solar. RV: Period 0.728d probably rotation period. Earlier determination vsini, 94k/s. 955 D: Optical. 956 G: Mel 20 #175; Per OB3. Non-member of @Greek(a) Per cluster on basis of RV. M: Space motion same as for Hyades cluster. 958 N: In Cetus formerly g Tau. SB: vsini of secondary, 120:k/s. 961 VAR: @Greek(d) Sct? D: AB CPM. C, 13.1v at 11" optical. 962 D: CPM. 963 N: Fornacis; 12 Eri in For. VAR: ADS 2402B, 7.0 - 9.03v. D: 3.9 F8IV, 6.5 G7V, 314y, a = 4.367". Combined mag., colors. DYN: ".070. 964 G: In reflection nebula; member assoc. Cam R1 at about 870 pc. Cam OB1. 965 SB: vsini of secondary, 50k/s. 966 S: Strong CN. 967 RV: Discordant sign from only two available sources, -7.5, +6.4. D: AB 6.8 A2V, 7.3 A4V, 330y, a = 0.386". Combined mag., colors. 968 S: Primary variously classified F4III, F6III, F3V, F5V, even G2III. D: AB 6.6 G2III, 6.9 A7IV, 46.84y, a = 0.4". Combined mag., colors. Component C 9.5v at 3" physical. 969 SB: 5.543491d. G: Mel 20 #308; Per OB3. 974 VAR: Amp. 0.06(U-B). 976 VAR: Ell 6.16 - 6.28V, 5.543491d. SB: ADS 2433A, 5.5435d, K 62.7k/s, V@-(0) +24.2k/s, asini 4.78. 977 VAR: SRb 5.25 - 5.95V, about 158d. 979 D: Component B, 8.0 A7m. CPM. 981 SB: Comp. A of double. G: Sco-Cen assoc.; Hyades moving group. 982 G: Per OB3; non-member of @Greek(a) Per cluster on basis of RV. 983 VAR: ADS 2440. B-A varies from 0.2 to 2.0m. Uncertain which component varies. B6, A1. 984 N: Zibal in Becvar, but this does not correspond to the position of Al Zibal (in Phoenix) described by Allen. SB: 17.922d, K 18.8k/s, V@-(0) -4.5k/s, asini 4.40. G: Sco-Cen assoc. 985 S: Shell star. VAR: Amp. 0.1:V. Spectrum var. 4.5y from 1916 to 1931, previously longer cycles. SB: 4.5y. D: Probably optical. G: Cas-Tau OB1. 987 SB: 1.996933d. G: Per OB3. 989 G: Per OB3. 992 VAR: ADS 2459B, 10v. Doubtful var. D: 5.6 K1IV, 7.5 G8V, 200y, a=1.03", or 217.20y, a=0.974". Combined mag., colors. Double discovered by Alvan Clark. CPM with BD-1*474, 9.5v at 11'. DYN: ".016. G: @Greek(s) Pup group. 996 VAR: RW Aur? Amp. 0.10 IR. D: C, 11.9v at 251". 997 SB: ADS 2465A. D: Binary. 998 G: Sco-Cen assoc. 1001 G: Hyades moving group; Per OB3; Mel 20 #497. 1003 S: Ultraviolet FeII emission. VAR: Lb? 3.59 - 3.72V. D: AB binary, B is K0V. C, 11v at 40" optical. G: Hyades group. 1004 VAR: 7.3 - 7.4B. 1005 D: Suspected of being double or triple by Tebbutt in 1893. Occultation pair 5.4, 7.9v, sep. 0.15", visual third component 8.4v at 0.67". G: Cas-Tau OB1. 1006 VAR: Nearby star suspected of variability from discordant photometric observations. D: CPM with HR 1010. 1010 D: CPM with HR 1006. 1011 SB: Possibly long period. G: Mel 20 #557; Per OB3; nebulosity. 1016 G: Sirius group; UMa stream. 1017 N: MIRPHAK; Mirfak; Marfak; Algenib. G: Mel 20 #605; Per OB3; nebulosity. 1019 D: AB CPM. 1023 S: Weak G-band. 1024 D: Binary. 1029 G: Mel 20 #675; Per OB3. 1030 SB: 1654.9d, K 4.4k/s, V@-(0) -20.1k/s, asini 96.7. Unresolved by speckle interferometry. 1033 D: AB 6.8 B9V, 7.8 A1V, 259.90y, a = 0.370". Combined mag., colors. 1034 C: Color excess E(B-V) = +0.10. S: Lyman @Greek(a) observed from COPERNICUS. SB: 21.659d, K 25.0, V@-(0) -0.5, asini 7.34. G: Mel 20 #774; Per OB3. 1035 VAR: H@Greek(a) profile var. G: Cam OB1; in reflection nebula; member assoc. Cam R1 at 870 pc. 1036 G: Hyades group. 1037 G: Mel 20 #810; Per OB3. 1038 S: B8Vn+B8Vn+B7Vn. SB: Triple Sp. system of 2 sharp-line stars revolving in 7.1466d; this pair revolves in 145.10d around broad line B7 star. 1040 VAR: H@Greek(a) profile variable. G: Cam OB1; in reflection nebula; member assoc. Cam R1 at 870 pc. 1044 D: 550y. G: Mel 20 #835; Per OB3. 1046 VAR: @Greek(d) Sct. D: AB CPM. G: UMa stream. Possible Eggen group with HR 63, q.v. 1047 G: Mel 20 #861; Per OB3. Non-member of @Greek(a) Per cluster on basis of RV. 1048 D: ADS 2552A is close binary discovered by occultation, sep. 0.010". AB binary. C, 13v at 148". 1051 S: Shell star. G: Mel 20 #904; Per OB3. 1052 G: Mel 20 #900; Per OB3. 1056 VAR: EA 6.3 - 6.4v. G: Mel 20 #934; Per OB3. 1057 VAR: Na, 0.2 - 14.0v, Nova Per #2, 1901. SB: 1.904d. 1059 G: Mel 20 #954; Per OB3. 1063 S: Spectra show Mn. Helium weak. Si enhanced. Also classified B5Vp. VAR: @Greek(a) CV 5.45 - 5.53V, 2.4761d or 1.6780d. First helium-weak star found to have periodic variations (1973). G: Mel 20 #985; Per OB3. 1065 D: B CPM, A3V, vsini 100k/s, both components. 1066 SB: 960.0d, K 8.3k/s, V@-(0) +14.2k/s, asini 100. Unresolved by speckle interferometry. D: Sep. 0.011". 1068 D: AB CPM. B, spectral class F. Component C, 10.5v at 164". 1072 VAR: @Greek(b) C 6.37 - 6.47V, 0.2101753d, multiple periods, 0.1982, 10.85, 0.01d. G: Cas-Tau OB1. 1074 G: Per OB2. 1077 D: AB 6.8 F3V, 7.6 F9V, 287.7y, a = 1.245". Combined mag., colors. Mass AB, 2.2 solar. C, 10.3v at 92" optical. DYN: ".021. 1078 VAR: Ell 5.80 - 5.85V, 0.9171877d. SB: 0.9172d, K 95.7k/s, V@-(0) +2.7k/s, asini 1.21. Orbital inclination about 35*. 1081 VAR: Ell 5.92 - 6.02V, 0.935984d. 1083 G: Hyades moving group. 1084 D: Astrometric binary, 25y. Unresolved by speckle interferometry. 1086 D: AB 6.6 A3V, 6.7 A3V, 568.22y, a = 0.650". Combined mag., colors. C, 9.9v at 22" optical. DYN: ".005. 1087 S: Shell star. VAR: Amp. 0.04V, 0.5d. Hydrogen emission variable. Expanding circumstellar shell. RV: Rotationally unstable shell star. G: Mel 20 #1164; Per OB3; member of Pleiades group. Non-member of @Greek(a) Per cluster on basis of RV. 1088 SB: 6.2236d, K 107k/s, V@-(0) +15.0k/s, msin@+(3)i 2.76, asini 8.97. Nearly equal components. vsini of secondary 39k/s. G: Pleiades group. 1090 G: @Greek(e) Ind group. 1093 D: 6.8 F5V, 7.1 F6V, 19.4y, a = 0.225". Combined mag., color. 1094 VAR: Spectrum variable. 1099 VAR: E 5.70 - 5.81V, 2.83782d. Min. migrate in period 13y. Brightest of 25 RS CVn binaries known in 1976. Also var. radio emission. Radio flare star. Var. polarization. SB: ADS 2644A, 2.8378d, K 50.2k/s, V@-(0) -14.0k/s, msin@+(3)i 0.227, asini 1.96. D: 5.88 dG9, 8.83, (B-V) +0.99, (U-B) +0.79, K6V, 2101y, a = 8.023". Close radio binary. 1100 S: Helium-weak star. VAR: Amp. 0.06V, 0.11U, 1.93d. G: Pleiades group. 1101 D: CPM? Position angles disagree by about 40*. 1103 G: Mel 22 #5006; Pleiades group. 1105 S: Technetium not abundant, as previously reported. VAR: 6.7 - 6.85p. 1110 D: ADS 2661A, occultation double. Component B, 11.8v at 36" optical. 1112 D: Component D, 8.73V, +0.10(B-V), -0.22(U-B), B8III. 1113 G: Member of the local association (Pleiades group). 1118 SB: 20.4870d, K 34.2k/s, V@-(0) -5.2k/s, asini 7.63. D: Sep. 0.0004". G: Not a member of the Pleiades. 1121 S: Helium very weak. 1122 C: Color excess E(B-V) = +0.04. S: C1 neutral carbon continuum shows discontinuities in UV. Lyman @Greek(a) observed from COPERNICUS. VAR: @Greek(a) CV? 2.98 - 3.03V, about 1d. Strong variable emission at 1650A, CaII? G: Per OB3. 1123 C: Reddened star. Color excess E(B-V) = +0.24. G: Per OB2. 1125 G: Hyades group. 1126 S: Shell star. H@Greek(a) emission. 1129 D: 5y? Sep. 0.052". vsini of secondary, : 50k/s. 1131 N: Atik; Ati; Al Atik. C: Reddened star. Color excess E(B-V) = +0.32. VAR: Ell 3.79 - 3.85V, 4.419171d, possibly half. SB: 4.4192d, K 109.3k/s, V@-(0) +19.8k/s, msin@+(3)i 5.26, asini 6.63. Rotational velocity of secondary, 84k/s, primary 85k/s. D: Binary. Combined mag., colors. Rotational velocity B, 150:k/s. P: Intrinsic polarization, probably due to circumstellar matter. G: Per OB2 (not a member). Embedded in reflection nebulosity. In cluster IC 348. M: In interstellar ultraviolet radiation field. 1132 G: 61 Cyg group. 1136 N: Rana in Becvar. But see HR 188. 1138 SB: 15.5132d, K 22.2k/s, V@-(0) +16.0k/s, msin@+(3)i 0.0813, asini 4.62. vsini both components, 25k/s. 1140 N: Celaeno; Celieno; Celeno; "Lost Pleiad". D: Sep. 0.0062". Unresolved by speckle interferometry. G: Pleiades cluster; Mel 22 #447. 1141 D: CPM. G: Member of the local association (Pleiades group). 1142 N: Electra. SB: 100.46d, K 26.0k/s, V@-(0) -0.3k/s, asini 30.7. Unresolved by speckle interferometry. D: Sep. 0.062". Occultation of 1972 Mar. 19 indicated @Greek(D)m 3.4, sep. 0.010". G: Pleiades cluster; Mel 22 #468; in reflection nebula; Pleiades nebula. Member assoc. Tau R1 at 110 pc. 1144 D: Sep. 0.05". G: Pleiades cluster; Mel 22 #541; embedded in reflection nebulosity. 1145 N: Taygeta; Taygete. SB: 1313d, K 8.0k/s, V@-(0) +5.9k/s, asini 144.0. Unresolved by speckle interferometry. RV: vsini 135k/s. D: Primary is occultation binary, sep. 0.012". Visual pair 4.4, 8.1v sep. 69". G: Pleiades cluster; Mel 22 #563; embedded in reflection nebulosity. 1149 N: Maia. C: Color excess E(B-V) = +0.02. S: C1 neutral carbon continuum shows discontinuities in UV. VAR: Probably cst. Var. helium lines. D: Sep. 0.003". Unresolved by speckle interferometry. G: Pleiades cluster; Mel 22 #785; in reflection nebula. Pleiades nebula. Member assoc. Tau R1 at 110 pc. 1150 G: @Greek(z) Her group. 1151 N: Asterope. Sterope I. G: Pleiades cluster; Mel 22 #817. 1152 N: Sterope II. G: Pleiades cluster; Mel 22 #859. 1153 SB: ADS 2750A; B3, A7, 2.4079d, K 23k/s, V@-(0) +17k/s, asini 0.762. D: B possibly optical. G: Member of the local association (Pleiades group); Cas-Tau OB1. 1155 C: Large infrared excess. S: Ultraviolet FeII emission. VAR: Amp. 0.12p. G: In reflection nebula. 1156 N: Merope. VAR: Variable hydrogen emission. D: Suspected double probably single star. G: Pleiades cluster; Mel 22 #980; in reflection nebula; Pleiades nebula; member assoc. Tau R1 at 110 pc. 1157 D: CPM. G: Wolf 630 group. 1160 S: Shell star. D: Probably optical. 1162 VAR: Lb? 4.38 - 4.44V. 1163 VAR: B-A varies from 2.8 to 4.3V. Uncertain which component varies. SB: ADS 2772A, 1.9406d, K 82k/s, V@-(0) +20k/s, msin@+(3)i 0.883, asini 2.19. D: Binary. G: Per OB2. 1165 N: ALCYONE. The brightest of the Pleiades. C: Color excess E(B-V) = +0.03. RV: Rotationally unstable Be shell star. D: Component A is occultation double, sep. 0.031". B, C, D, 6.3, 8.1 and 8.7v at 117" to 190". Possibly second occultation companion at 0.001", unresolved by speckle interferometry. vsini of B, 155k/s. Numerous photometric determinations yield 6.3 for B component. The HD gives 8.1 for 23629 and the IDS indicates 8.1. Burnham, Double Stars, gave 7.0 vis. R: Angular diameter = ".0016. G: Pleiades cluster; Mel 22 #1432; in reflection nebula; Pleiades nebula; member assoc. Tau R1 at 110 pc. 1169 G: Sco-Cen assoc. 1170 VAR: @Greek(d) Sct 5.8 - 5.91V, variable amp. Primary and beat periods, 0.098299 and 0.39206d. 1171 D: 11.1v companion at 5" noted by Innes not confirmed. 1172 D: Sep. 0.05". G: Pleiades cluster; Mel 22 #1823. 1174 RV: Comp. B +17.2k/s; F5V. D: Binary. G: Cas-Tau OB1. M: Old disk population runaway star. 1175 SB: 1911.5d, K 5.2k/s, V@-(0) +51.1k/s, asini 134. 1176 SB: vsini of secondary, 85k/s. 1177 SB: 1.7653d, K 34.4k/s, V@-(0) -11.9k/s, asini 0.832. G: Per OB2. 1178 N: Atlas. SB: ADS 2786A, 1254.68d, K 14.5k/s, V@-(0) -0.4k/s, asini 248. Unresolved by speckle interferometry. D: Component A possibly multiple: occultation sep. 0.006" and 0.019". B, 6.8v at 0.4". G: Pleiades cluster; Mel 22 #2168. 1180 N: Pleione. S: Shell star. VAR: @Greek(g) C 4.77 - 5.50V. Var. may be clue to shell episodes. Shell ejection 1936 led to decrease in light 1937-1958. Variable hydrogen emission. Shell spectrum shows phase changes every 17 or 34 yrs. SB: Suspected long period. G: Pleiades cluster; Mel 22 #2181. 1183 G: Pleiades cluster; Mel 22 #2425. 1185 S: Spectra show Hg, Mn, Cr. G: Mel 22 #5025; Pleiades. 1188 D: 5.81 A3V, 6.21 A5V, 62.28y, a = 0.430". 1189 D: Binary with HR 1190. 1190 D: Binary with HR 1189. 1191 G: Per OB2. 1194 VAR: Amp. 0.06y?, 2.53d. M: Old disk population runaway star. 1195 G: In Ursa cluster; Sirius group? 1197 G: Per OB2. 1201 G: In Taurus cluster; Mel 25 #6; the Hyades. 1203 C: Reddened star. Color excess E(B-V) = +0.33. S: Interstellar CH detected optically. COPERNICUS data used to analyze the chemical abundances in line of sight to @Greek(z) Per: CO, HD, and OH. About 60% of the hydrogen in front of the star is molecular. SB: 1.765d, K 6.0k/s, V@-(0) +22.2k/s. RV: Comp. B +20.8k/s. D: AB CPM, B 9.16V B8IV; C, 9.12V at 33" optical; D, 10.35V, +0.713(B-V), +0.20(U-B), at 92" optical; E, 9.90V, A2V, +0.33(B-V), +0.17(U-B), at 120" physical. G: IC 348; Per OB2. 1205 D: Companion A0, CPM. 1206 SB: A2:+K: 1207 G: Per OB3. 1208 G: Hyades group. 1209 C: Heavily reddened. S: Sp. data suggest occasional interruption of almost steady infall of material through rotating emission region by outbursts of material from the star. VAR: ADS 2859A, @Greek(g) C 6.07 - 7.0V, 580.7?d. Amp. about 0.02U. X-ray period 22.4 hrs. Spectrum variable. Sudden decrease H@Greek(a) emission followed by 450 sec. flare in continuum. Possible neutron star companion pulsating in 13.924 min. Simultaneous X-ray and optical obs. 21 Jan. 1975 showed X-ray var. by factor 2 but no corresponding optical. 100 sec. quasi periodic photometric var. may indicate binary with compact companion undergoing mass accretion. SB: 580.7d, K 59k/s, V@-(0) -50k/s, asini 471. Emission lines var. in RV, 22.4 hrs. and 581d. D: CPM? Component A possibly optical counterpart or companion of X-ray source 4U0352+30. Possibly a triple system with a neutron star moving around the optical primary in 22.4 hrs., and either apsidal period 581d or close double moving around a distant component in 581d. Rotational velocity of primary, vsini = 306k/s. Component ADS 2859B is normal M1III, not T Tau type as once assumed. P: Conflicting evidence whether observed polarization is intrinsic to the star or of interstellar origin. G: May not be member of Per OB2; @Greek(z) Per group. M: Space vel. of X Per and @Greek(j) Per indicate the two stars approached to within 17 pc 2 million yrs ago. 1210 C: IR source in this direction corresponds to a Seyfert galaxy. SB: 30.4380d, K 51.9k/s, V@-(0) +25.1k/s, msin@+(3)i 0.910, asini 16.9; vsini both components < 17k/s. D: AB CPM. Component C, 11.4v at 101" optical. P, 12.5v at 279". G: Hyades moving group. 1211 D: Binary with HR 1212. C, 10v at 165". 1212 D: Binary with HR 1211. 1215 VAR: @Greek(b) C?, 5.45 - 5.50V. RV possibly var. 0.13169d. G: Per OB2. 1216 G: Wolf 630 group. 1217 S: Possibly the coolest magnetic star known, about 7000*K. Variously classified Ap to F0pSr. VAR: @Greek(a) CV 5.97 - 6.00V, 12.448d. Rotation and magnetic field same period, no polarity reversal. Spectrum var. 12.460d. Maximum intensity Eu at minimum light. 1219 D: AB combined mag. and color. C, 12.7v at 23". 1220 C: Color excess E(B-V) = +0.10. D: AB CPM. B, 7.39V, -0.03(B-V), -0.52(U-B), B9.5V, vsini 300:k/s. G: Cas-Tau OB1; member of Pleiades group. 1221 SB: 1.5919d, K 56.9k/s, V@-(0) +25.0k/s, asini 1.16. D: Sep. 0.00006". G: Not a member of the Pleiades. 1223 VAR: @Greek(d) Sct 6.50 - 6.58V, 0.052d. SB: vsini both components 80k/s. G: Per OB2. 1225 VAR: @Greek(d) Sct 6.17 - 6.24V, 0.1562d. 1227 S: Strong shell star absorption; no emission. VAR: @Greek(d) Sct. 1228 N: Menkib; Menkhib; Menchib. C: Color excess E(B-V) = +0.32. S: Interstellar CO emission. SB: 6.951d. G: Runaway star from Per OB2. Within 1* and exciting star of HII region S220. Ionizes region at edge of California nebula = NGC 1499. VAR: Slightly variable, possibly same period as SB. 1230 D: 5.54 gG8, 6.29 A7, 415.1y, a = 1.00". DYN: ".010. 1231 N: Zaurak; Zaurac; Zaurack. S: Ultraviolet FeII emission. VAR: Amp. 0.03V. 1233 G: In Taurus cluster; Mel 25 #8; the Hyades. 1234 RV: Determinations of vsini range from 50 to 250k/s. 1238 G: In Taurus cluster; Mel 25 #137; the Hyades. 1239 VAR: EA 3.3 - 3.80p, B3V+A, 3.952955d, i 86*. SB: 3.9540d, K 55.4k/s, V@-(0) +15.2k/s, asini 2.99. RV also varies in 33.025d, triple system. Masses 6.8, 1.8 and about 1 solar. 1240 SB: 5.9537d, K 37.6k/s, V@-(0) +24.9k/s, asini 3.06. 1243 D: Third component @Greek(D)m 6.13v, at 100". 1244 G: Member of the local association (Pleiades group); in HII region; Cas-Tau OB1. 1246 G: Sco-Cen assoc. 1250 VAR: Amp. 0.09V. G: Member of the local association (Pleiades group). 1252 D: A is occultation binary, sep. 0.033", unresolved by speckle interferometry. Spectrum binary; vsini of early-type component, 160k/s. AB, @Greek(D)m 6.5v, sep. 25.5". 1253 G: In HII region; Cas-Tau OB1. 1254 G: In Taurus cluster; Mel 25 #160; the Hyades. 1256 G: Hyades? 1257 G: Wolf 630 group. 1258 VAR: @Greek(b) C amp. 0.04b, over 1d? G: Member of the local association (Pleiades group). 1260 S: Luminosity of A variously classified II-III, V. Component B classified O9.5V, B0III or B0IIn. VAR: ADS 2984A = S6072, 7.0 - 7.05p, SB? ADS 2984B = SZ CAM, EB 7.0 - 7.29B, 2.6984378d; abrupt change 1972 to 2.69854365. SB: ADS 2984B, same period. K 110.9k/s, V@-(0) -22.8, asini 4.11. D: AB fixed. Some confusion in literature as to which component is A, which B. SZ CAM is Np = B, 6.94V, +0.41(B-V), -0.53(U-B), O9.5V, vsini, 160:k/s. Colors of both components have been described as "yellowish" even though both have B-type spectra. Component Q, 10.39V, +0.58(B-V), -0.26(U-B). G: Open cluster NGC 1502 #1, near center and probable member of cluster. 1262 G: Hyades? 1264 VAR: Lb? 4.42 - 4.64V, 25d. 1266 G: @Greek(z) Her group. 1268 S: Underabundance of magnesium and oxygen. VAR: @Greek(a) CV 5.15 - 5.22V, 7.227424d. Earlier period 11.94d still frequently quoted. Lines of SiII, SrII, possibly TiII var. SB: 7.227424d, K 16.6k/s, V@-(0) +2.3k/s, asini 1.62. Periods of rotation and revolution same. G: Pleiades group. 1273 S: Excess IR emission. VAR: @Greek(g) C 4.00 - 4.10V, 55?d. Slow var. possibly associated with emission spectrum. SB: 16.934615d not confirmed. RV: Pole-on. G: Per OB3; member of Pleiades group. 1278 D: CPM with GC 4949 at 12' = ADS 2995, a triple system 7.3 dK2, 9.0 sep. 1"; C at 234". G: Hyades group. 1279 VAR: ADS 2999, B-A varies from 2.95 to 3.55V. Uncertain which component varies. @Greek(d) Sct? D: CPM. B is dG8. G: In Taurus cluster; Mel 25 #11; the Hyades. 1280 D: Primary of ADS 3006 is occultation binary, sep. 0.05". Visual companion, 9.3v at 4.4", CPM. 1287 VAR: @Greek(d) Sct 5.37 - 5.44V, 0.144923d. Possible other periods 0.126535 and 0.126569d. Light curve composite of 0.1449 and 0.1120d. 1289 S: Shell star. 1292 G: In Taurus cluster; Mel 25 #14; the Hyades. 1297 VAR: Spectrum var. 1298 N: Beid. VAR: @Greek(d) Sct 4.00 - 4.05V, 0.0815d. Secondary per. 0.1291d. 1299 S: Weak G-band. 1300 SB: 3.6587d, K 104.5k/s, V@-(0) +32.8k/s, msin@+(3)i 1.75, asini 5.26. Two equal Am stars. Same vsini, 30k/s. G: Sco-Cen assoc. 1303 VAR: ADS 3071A, 4.1 - 4.24V. SB: 283.272d, K 20.7k/s, V@-(0) +7.7k/s, asini 80.5. Unresolved by speckle interferometry. D: A* 4.13 G0Ib, 0.778y, a = 0.019". AB CPM; B, 11.8v at 15". C , 10.25V, +0.47(B-V), +0.06(U-B), B8. 1306 SB: 1576.44d, K 18.1k/s, V@-(0) -4.5k/s, asini 358. Unresolved by speckle interferometry. vsini of secondary, 100k/s. 1307 G: In reflection nebula; member assoc. Tau R2 at 135 pc. 1308 D: B, 13.6v at 8"; C, optical. 1309 D: 6.0 F2V, 6.1 F3V, 7.18y, a = 0.135". DYN: ".024. 1310 G: Probably Hyades group. 1311 D: AB binary; C, 12v at 32" optical. G: Hyades? 1318 D: AB binary, B is G2V. G: Wolf 630 group. 1319 G: In Taurus cluster; Mel 25 #20; the Hyades. 1320 G: Cas-Tau OB1; member of Pleiades group. 1321 D: CPM with HR 1322. 1322 D: CPM with HR 1321. 1324 VAR: Ell 4.59 - 4.65V, 1.527365d. Radio binary showing radio flare activity. Third component may eclipse primary. SB: Comp. ABC: 701.76d, K 11.4k/s, V@-(0) +21k/s, asini 107. Comp. A: 1.527365d, K 39.4k/s, V@-(0) var., asini 0.827. Unresolved by speckle interferometry. G: In NGC 1545 #1; Hyades group. M: Source of weak radio emission. 1325 N: Keid; Kied. VAR: ADS 3093C; UV, min. 11.18V, +1.50 (B-V). D: BC 9.51 A2, 11.18 M4Ve, 252.1y, a = 6.943". Component B is white dwarf. Component A, CPM. DYN: ".199. 1326 G: Wolf 630 group. 1327 G: In Ursa cluster; Sirius group; UMa stream. 1329 SB: Over 5300d? Unresolved by speckle interferometry. D: Sep. 0.05". 1330 G: NGC 1545 #1. 1331 SB: 4035d, K 9.1k/s, V@-(0) +38.3k/s, asini 475. Resolved by speckle interferometry, sep. 0.08". D: Visual primary is occultation double, sep. 0.076". Visual companion 10.7v at 166". G: In Taurus cluster; Mel 25 #24; the Hyades. 1333 VAR: Amp. 0.020V. SB: 1.527365d, K 38.83k/s, V@-(0) +20.66k/s, asini 0.815. G: Cas-Tau OB1. 1336 G: Sco-Cen assoc. 1338 VAR: EW? or @Greek(d) Sct? 4.23 - 4.27V, per. between 0.33 and 1.0d. 1339 S: Manganese star showing enhanced gallium, strontium, yttrium, zirconium. Manganese 120 times normal. SB: 4.452064d, K 9.6k/s, V@-(0) +12.5k/s, asini 0.587. Shortest period for binary Mn star. Unresolved by speckle interferometry. D: CPM with HR 1341. G: Member of Pleiades group. 1340 D: Optical. G: Probable Hyades group. 1341 VAR: 0.07V, 2.7098d. D: CPM with 1339. G: Member of Pleiades group. 1345 VAR: Amp. 0.3V. 1346 N: Hyadum I. VAR: Amp. 0.1V. G: In Taurus cluster; Mel 25 #28; the Hyades. 1347 S: Hg-Mn star. VAR: Small amp., 0.51d? SB: B8, B9.5 5.0105d, K 63.8k/s, V@-(0) +17.8k/s, msin@+(3)i 0.559, asini 4.40. Equal components, equal vsini 12 k/s; rotational velocity 31k/s. D: C, 11.8v at 49". G: Member of Pleiades group. 1348 D: Optical. G: Hyades? 1349 D: Astrometric binary unresolved by speckle interferometry. 1350 VAR: Amp. 0.01V, 7.29?hrs. SB: Same period. G: Member of Pleiades group. 1351 VAR: @Greek(d) Sct 5.56 - 5.59V, 0.054d. D: Binary. G: In Taurus cluster; Mel 25 #30; the Hyades. 1352 VAR: ADS 3146B, 10.5 - (12V. 1353 S: K/H/m indicate A4/F0/F5, respectively. 1354 G: In Taurus cluster; Mel 25 #32; the Hyades. 1356 VAR: @Greek(d) Sct 5.20 - 5.26V, 0.036d or double. G: In Taurus cluster; Mel 25 #33; the Hyades. 1357 D: Binary. Combined mag., colors. 1358 SB: 3.0591d, K 71.0k/s, V@-(0) +36.1k/s, msin@+(3)i 0.493, asini 2.99, i 51*? vsini both components 12k/s. G: In Taurus cluster; Mel 25 #34; the Hyades. 1359 D: Secondary F7V. 1362 VAR: Amp. 0.07V. 1363 G: Sco-Cen assoc. 1364 D: CPM. Companion G0V. 1366 D: B, 13.0v at 36" optical. 1368 SB: 2.1433d, K 26.6k/s, V@-(0) +41.7k/s, asini 0.783. G: In Taurus cluster; Mel 25 #38; the Hyades. 1369 RV: ADS 3161B, +36.8k/s. D: CPM. Component A suspected occultation double. 1373 N: Hyadum II. VAR: Amp. 0.1V. SB: 529.8d, K 3.0k/s, V@-(0) +39.5k/s, asini 19.8. D: Visual primary is occultation double, 3.9, 13.0v, sep. 0.04". G: In Taurus cluster; Mel 25 #41; the Hyades. 1374 VAR: Amp. 0.13V. D: AB 6.6 F1V, 6.9 F3V, 76.92y, a = 0.500". Combined mag., color. Component C, 12v at 37" optical; D, 8.6 G0 at 45" CPM. DYN: ".019. G: Sco-Cen assoc. 1376 S: Ca and Sc underabundant and probably also K. Violet part of spectrum indicates luminosity III; G-band region, V. SB: 8.4178d, K 37.6k/s, V@-(0) +35.0k/s, asini 4.33. D: Sep. 0.0006". G: In Taurus cluster; Mel 25 #45; the Hyades. 1378 RV: ADS 3179B, +17.1k/s. D: AB CPM. B is A0. Component A suspected occultation double. 1379 VAR: ADS 3188B, 9.6 - 11.3v. 1380 G: In Taurus cluster; Mel 25 #47; the Hyades. 1381 D: 5.8 A3V, 5.9 A4V, 51.6y, a = 0.18", or 55.40y, a = 0.20". DYN: ".007. G: UMa stream. 1382 D: Optical. 1383 VAR: @Greek(d) Sct? G: In Ursa cluster? Sirius group; UMa stream. 1384 VAR: Amp. 0.12V. 1385 G: In Taurus cluster; Mel 25 #53; the Hyades. 1387 VAR: @Greek(d) Sct? D: @Greek(k)@+(1) Tau is occultation double. Together with @Greek(k)@+(2) = HR 1388 they form a multiple system of at least 6 components. G: In Hyades cluster; Mel 25 #54. 1388 VAR: @Greek(d) Sct. D: See HR 1387. G: In Hyades cluster; Mel 25 #55. 1389 VAR: Amp. 0.02U, 57.25d. Also magnetic field period. SB: 57.25d, K 68.8k/s, V@-(0) +23.0k/s, asini 50.6. D: AB binary; C, 11v at 77" CPM. R: Diam. 2.1 solar. G: Hyades cluster; Mel 25 #56. M: A blue straggler. 1391 D: AP 7.2 dF5, 7.2, 13.15y, a = 0.133"; occultation binary. Component B, 12.4v at 126". G: Open cluster Mel 25 #57; the Hyades. 1392 N: Some sources call this @Greek(u)@+(1) and HR 1399 @Greek(u)@+(2) Tau; other catalogues reverse these designations. The superscripts now rarely used and @Greek(u) retained for 69 Tau. D: The visual primary is close occultation double, sep. 0.020". Component B, 12.5v at 110". G: In Hyades cluster; Mel 25 #60. 1393 G: Hyades group. 1394 SB: 5200d, K 15.1k/s, V@-(0) +40.8k/s, asini 1050. Massive invisible component. Unresolved by speckle interferometry. D: Visual primary is occultation double. Component B, 11.1 at 137". G: In Taurus cluster; Mel 25 #141; the Hyades. 1395 G: @Greek(z) Her group. 1398 D: AB optical? C, 11v at 4" from B. 1399 N: On nomenclature see HR 1392. 1401 SB: 4.195d, K 31.3k/s, V@-(0) +9.0k/s, asini 1.81. G: Hyades group. 1402 RV: Period possibly 19.83d or 20.43d. 1403 D: Close double discovered by occultation, sep. 0.01". Third component 10.5v at 161", probably optical. G: In Taurus cluster; Mel 25 #67; the Hyades. 1405 RV: Np companion -5.2k/s. D: Binary. 1406 D: AB binary; C, 11.32V at 121" optical. Fourth component 13.3v at 17" from C. 1407 D: Sep. 0.024". R: Diam. ".0020. 1408 G: In Hyades cluster; Mel 25 #68. 1409 N: Ain; Oculus Boreus. G: In Hyades cluster; Mel 25 #70. 1410 D: 6.8 A2, 7.0, 175.7y, a = 1.250". 1411 C: Color excess E(B-V) = +0.09. SB: 6000 or 3000d. D: CPM with HR 1412. Not clear if there are one or two occultation companions: @Greek(D)m 3.8v, sep. 0.082", another possible @Greek(D)m 8v, sep. 0.2". G: In Hyades cluster; Mel 25 #71. R: Diam. ".0026. 1412 VAR: @Greek(d) Sct? Amp. 0.03V, 0.07d. SB: 140.728d, K 31.0k/s, V@-(0) +39.6k/s, asini 39.7. D: CPM with HR 1411. Close occultation binary, 3.5, 5.8v, sep. 0.005". G: Member of Hyades cluster. 1414 G: Hyades cluster; Mel 25 #74. 1415 N: 44 Eri in Tau. 1417 D: AB binary. B, 6.94V, +0.16(B-V), -0.70(U-B), B1IV? vsini : 25k/s. G: Cam OB1. 1418 G: Wolf 630 group. 1419 D: Suspected of being double; probably single. 1422 SB: ADS 3264A. D: 5.7 F0V, 7.98 G2V, 189.5y, a = 1.01". Combined mass 2.82 solar. DYN: ".022. G: In Hyades cluster; Mel 25 #80. 1423 S: Lyman @Greek(b) observed from COPERNICUS. Expanding circumstellar shell. VAR: Amp. 0.08V. Expanding circumstellar shell; possibly high velocity mass-loss. 1424 D: CPM. 1427 VAR: @Greek(d) Sct? D: Component A of visual pair is occultation double 5.6, 5.6v, sep. 0.02"; component B, 6.7v at 250". G: In Hyades cluster; Mel 25 #82. 1428 G: In Hyades cluster; Mel 25 #83. 1430 G: In Hyades cluster; Mel 25 #84. 1432 G: In Hyades cluster; Mel 25 #89. 1436 G: In Hyades cluster; Mel 25 #90. 1441 S: He weak. VAR: @Greek(d) Sct? Amp. 0.08y, 1.374d or 3.67d. Var. helium lines. 1442 D: Binary. No change after 113y. 1444 SB: 488.5d, K 18.5k/s, V@-(0) +30.3k/s, asini 124. Unresolved by speckle interferometry. G: In Hyades cluster; Mel 25 #95. 1445 S: Spectra show Hg; possibly Mn. 1448 G: In Ursa cluster; UMa stream. 1449 VAR: Amp. 0.045V, 0.065U, 3.82d. D: CPM. 1451 VAR: Amp. 0.20p. 1453 VAR: @Greek(b) C, multiple periods, 0.1735089, 0.1779, 6.9808 and 15.79d. 1454 SB: 10,470d, K 12.8k/s, V@-(0) +5.9k/s, asini 1400. One of the longest SB periods known, 28.67y. Masses 6 and 5 solar. Unresolved by speckle interferometry. vsini of both components, : 50k/s. D: A* 4.27 G8II+B, 28.67y, a = 0.054". 1455 D: Visual duplicity questioned. 1456 S: Also classified A5m. G: Sco-Cen assoc. 1457 N: ALDEBARAN; Cor Tauri; Parilicium. S: IR emission envelope diam. 10". MgII emissions indicate a cooler shell surrounding the supergiant. VAR: Lb 0.75 - 0.95V. Var. H and K emission. D: AB binary. B is 13.5v, dM2 at 31". CD, 122" from A is 11.2, 13.6v sep. 2" also binary but independent of AB. G: Hyades group. R: Diam. Two determinations, ".022 and ".0237. 1458 SB: ADS 3317A, 3.57124d, K 76.3k/s, V@-(0) +28.7k/s, asini 3.75. D: CPM. Companion 7.84V, +0.54(B-V), +0.04(U-B), F8V. vsini : 25k/s. R: Diam. relative to sun = 2.2. G: Hyades group. 1459 G: In Taurus cluster; Mel 25 #100; the Hyades. 1460 D: CPM. Companion A7V. 1463 VAR: @Greek(b) C 3.4 - 3.60p, 0.17790414d, changing. Probable interference periods 0.1779 and 0.1735d with beat period of 7.0256d. Possibly also E, 103.9d. RV: 0.19d. G: Ori OB1. 1464 N: Theemim; Beemin. Allen applies this name, after Bayer, to the series of stars, @Greek(u)@+(1) through @Greek(u)@+(7) Eri, or HR 1143, 1195, 1214, 1347, 1393, 1453 and 1464. (The order of the superscripts varies among different catalogues.) 1465 VAR: Amp. 0.03V, 0.10U, 2.95d. D: 3.8 A0IIIp, 4.3 B9IV, 13.00y, a = 0.212". Combined mag., colors. Companion 10v at 78" optical. G: Member of Pleiades group. 1466 D: AB 5.8 F0V, 7.4 F9V, 26.25y, a = 0.18". ABxC 5.6, 7.3, 425.0y, a = 1.38". Component D, 13.2v at 24" optical. Spectral classes component A, A9V; B, F8V; C, F8V. 1467 SB: 121d, K 28.2k/s, V@-(0) -40.5k/s, asini 46.9. 1469 N: 49 Eri, in Tau. VAR: 5.3 - 5.38V. 1470 D: Occultation indicated @Greek(D)m 0.37v, sep. 2.117" (half the visual sep.) and PA 78* in contrast to visual 194*. 1471 VAR: EA 5.92 - 6.7V, 2.056302d, period possibly variable. SB: 2.0563d, K 65.4k/s, V@-(0) -2.3k/s, asini 1.85. Masses 4 and 1.2 solar. D: Sep. 0.0004". 1472 G: In Taurus cluster; Mel 25 #103; the Hyades. 1473 G: In Taurus cluster; Mel 25 #104; the Hyades. 1474 D: IDS gives AB, 5.3, 11.8v sep. 30". Optical. Component C by Wallenquist. 1478 SB: 251.205d, K 5.0k/s, V@-(0) +17.0k/s, asini 16.3. Unresolved by speckle interferometry. D: Binary with HR 1479 at 431" and with fainter companion, 7.4v at 0.0015" discovered by occultation. G: Hyades? 1479 D: Binary with HR 1478. G: Hyades cluster; Mel 25 #108. 1480 G: In Taurus cluster; Mel 25 #107; the Hyades. 1481 N: Sceptrum. 1484 S: Spectra show Hg, Mn. 1485 S: Also classified ApSrEuCr. 1490 D: AB, CPM. Third component by Wallenquist, @Greek(D)m 6.42, sep. 90". 1492 S: Probable SiO maser emission. One of the brightest stars in infrared and brightest star visually to show a spectrum as late-type as M8.0. VAR: Component A of triple, SRb 4.8 - 6.6v, about 338d. D: B is 11.9 at 34". Uncertain which of components B,C is the brighter: discordant magnitudes. G: @Greek(g) Leo group. 1496 VAR: SRb 4.28 - 4.36V, 30d. D: Seen as double only in 1877 and 1923. 1497 SB: 2.9565d, K 53.6k/s, V@-(0) +12.3k/s, msin@+(3)i 2.96, asini 2.18. D: AB CPM, 4.3, 8.9v sep. 0.1", 28y? C, 7.3A1V at 63" vsini 100k/s. Occultations give 4.9, 5.6v sep. 0.1" and 4.9, 6.4 sep. 0.0005". G: Cas-Tau OB1. 1500 S: Shell star. 1502 VAR: Comp. A of double, @Greek(d) Sct? D: CPM. 1504 D: 7.2 G5V, 7.3 G6V, 552.30y, a = 3.164". Combined mag., colors. DYN: ".038. 1505 VAR: @Greek(d) Sct? Amp. 0.025V. D: CPM with HR 1506. 1506 D: CPM with HR 1505. 1507 VAR: @Greek(d) Sct? In Hyades instability strip. G: In Hyades cluster; Mel 25 #111. 1508 VAR: Amp. 0.09V. RV: Pole-on. 1511 G: Hyades group. 1512 G: Member of the local association (Pleiades group). 1513 G: Sco-Cen assoc. 1515 G: Hyades group. 1517 G: Mel 25 #164; the Hyades, probable non-member. 1519 G: In Hyades cluster; Mel 25 #112. 1520 SB: B3, A3, 7.3589d, K 19.4k/s, V@-(0) +23.3k/s, asini 1.90. G: Member of the local association (Pleiades group); Cas-Tau OB1. 1526 G: Sco-Cen assoc. 1527 G: @Greek(h) Cep group. 1528 SB: 7.0507d, K 57.8k/s, V@-(0) +20.3k/s, asini 5.60. 1530 G: Sco-Cen assoc. 1533 N: Formerly 1 Aur, now in Perseus. 1536 G: @Greek(h) Cep group. 1542 C: Color excess E(B-V) = +0.32. S: H@Greek(a) emission due to extended envelope. G: In cluster NGC 1502. A possible runaway star from Cam OB1; in reflection nebula. Member assoc. Cam R1 at 870 pc. 1543 N: Designated Tabit by Becvar but Allen gives Thabit as Burritt's name for an unlettered star on his atlas, the @Greek(u) of Heis (HR 1855). The superscripts for @Greek(p) Ori adopted in the Harvard catalogues and taken over in the BS correspond to the Heis atlas and Argelander's identifications of Flamsteed numbers. Very many old catalogues follow the BAC. Heis superscripts 1,2,3,4 are respectively 4,2,1,3 in the BAC. VAR: @Greek(d) Sct? Amp. 0.05V. D: Visual companion probably optical. 1544 N: See HR 1543. R: Radius relative to sun = 2.0. 1547 VAR: @Greek(d) Sct 5.09 - 5.11V, 0.042d. G: In Hyades cluster; Mel 25 #123. 1551 G: Sirius group; UMa stream. 1552 N: See HR 1543. SB: 9.5191d, K 25.8k/s, V@-(0) +23.3k/s, asini 3.38. G: Ori OB1. 1553 N: Formerly 1 Aur now in Perseus. 1554 G: Hyades moving group. 1555 D: CPM. 1556 S: Also classified S4Zr1Ti4. VAR: SRb 4.65 - 4.88V, about 30d. G: Wolf 630 group. 1557 D: Companion optical. 1560 SB: 3057d, K 18.1k/s, V@-(0) -8.3k/s, asini 676. Massive invisible component may be a black hole. Unresolved by speckle interferometry. 1563 D: CPM with HR 1564. (B-V) for combined light. G: Sco-Cen assoc. 1564 D: CPM with HR 1563. 1566 G: In Taurus cluster; Mel 25 #126; the Hyades. 1567 VAR: Ell 3.70 - 3.77V, 3.70045d. SB: 3.700373d, K 57.9k/s, V@-(0) +24.2k/s, asini 2.95. G: Ori OB1. 1568 SB: ADS 3536A, 3.8845d, K 35.8k/s, V@-(0) -9.5k/s, asini 1.91. D: AB binary. C, 11v at 26" CPM. G: UMa stream. 1570 N: See HR 1543. S: @Greek(l) Boo type. R: Radius relative to sun = 2.7. G: Hyades? 1573 G: Aur OB1. 1577 N: Hassaleh in Becvar. VAR: 4.0 - 4.15p. 1580 D: Optical group. G: Hyades? 1581 VAR: Cst? 5.71V. 1585 R: Diam. ".0017. 1590 RV: Two determinations of vsini, 170 and 50k/s. D: Component A suspected occultation double. Two visual companions. 1592 D: Binary. G: Pleiades group. 1593 D: CPM. 1594 G: Hyades group. 1598 VAR: 6.4 - 6.48V. 1600 D: AB probably optical. B, 8.0v B9; C, 9.8v at 54"; D, by Wallenquist, @Greek(D)m 7.1 at 90". 1603 C: Color excess E(B-V) = +0.16. G: Group with HR 1622 and 1719, all nearly same proper motion. 1604 D: AB 5.94 F3V, 7.28 F9V, 54.62y, a = 0.507". Component C, 8v at 54", optical. DYN: ".027. 1605 N: Al Anz; Almaaz. S: Shell star. VAR: ADS 3605A, EA 2.94 - 3.83V, 9892d. Spectrum var. even outside eclipse. RV and light fluctuations about 110d. SB: ADS 3605A, 9890d, K 15.0k/s, V@-(0) -1.4k/s, msin@+(3)i 16.8, asini 2000. Unresolved by speckle interferometry. D: ADS 3605A. A* 2.98 var. A8Iap, 27.08y, a = 0.014". Five visual and one astrometric components. AB visual binary, B, 14v at 29"; C, 11.26V, +1.83(B-V), +1.31(U-B), at 43"; D, 12.0v at 46". 1607 VAR: M 5.5 - 11.7v, 432.13d. Period varies; max. mag. varies in per. possibly over 40y. 1609 D: Fixed with HR 1610. 1610 D: Fixed with HR 1609. Colors for combined light. 1611 VAR: @Greek(d) Sct? 4.78 - 4.80V. 1612 N: Haedi; Haedus; Hoedus I. With HR 1641, one of the "kids"; Sadatoni; Saclateni. VAR: EA 3.75 - 3.90V, 972.164d, i 90*. Variable duration of min. SB: 972.162d, K 24.6k/s, V@-(0) +12.9k/s, msin@+(3)i 7.54, asini 300. Unresolved by speckle interferometry . SKYLAB indicates cool star with hot companion. 1616 G: Hyades group. 1619 D: BC binary 7.7, 10.7v sep. 0.5"; AxBC binary, B = GC 6148 A1IV?, vsini 53:k/s; D, 9.5 at 130". 1620 G: Hyades cluster; Mel 25 #129. 1621 G: Member of Pleiades group. 1622 RV: Pole-on. Rotationally unstable Be shell star. D: Optical pair with HR 1623. G: Group with HR 1603, 1719. VAR: Amp. 0.02b, period a few hours? 1623 VAR: RS CVn amp. 0.14V, 82.8d. SB: 80.1745d, K 22.7k/s, V@-(0) +0.6k/s, asini 23.4. D: Optical pair with HR 1622; C, 10.8v at 173" from B; D, 13.3 at 16" from B. 1625 S: Probably not a supergiant but may be composite. 1630 M: HR mag. 6.31 should have been 7.31. 1634 N: DM is CoD number. 1635 G: Sco-Cen assoc. 1637 SB: ADS 3675A, 391.7d, K 5.8k/s, V@-(0) -7.4k/s, asini 29.0. D: A,B,C, CPM; D, optical; E, 12.3v at 132" from A. 1638 VAR: Amp. 0.03y. Possible periods 1.2701 or 4.640d. G: Member of Pleiades group. 1641 N: Hoedus II. One of the kids, with HR 1612. VAR: @Greek(b) C? RV: Doubtful var., 24d period not confirmed. G: Cas-Tau OB1; member of Pleiades group. 1643 VAR: Amp. 0.10U, 0.06B, 0.05V, 0.7325d. RV: At times variable in period 7.993d. 1646 G: Ori OB1A assoc. 1648 VAR: SRb 8.6 - 11.1p, 212d. Mean mag. varies in period 2450d. 1650 VAR: ADS 3738B, amp. 1.8v? 1653 VAR: @Greek(d) Sct 6.28 - 6.39V, 0.1352227d. 1656 D: 5.6 G4V, 5.6 G4V, 1.19y, a = 0.18"; or 2.38y, a = 0.10"; or 5.8y, a = 0.11". Combined mag., colors. Sep. 0.099". Unresolved by speckle interferometry. DYN: Uncertain, ".023 to ".138. G: Hyades? 1657 VAR: E? 5.1 - 5.6v. About 2d. SB: B9.5, B9.5, 5.5227d, K 103.8k/s, V@-(0) +32.6k/s, msin@+(3)i 2.38, asini 7.84. Nearly equal components; secondary is the more massive, a mercury star. vsini of both components : 41k/s. D: Optical? 1658 G: Hyades? 1659 S: Shell star. H@Greek(a) double in emission. SB: ADS 3709A, B0.5, B9.5, 58.31d, K 36.7k/s, V@-(0) +16.2k/s, asini 28.9. D: A, occultation double 5.7, 7.7v sep. 0.0004". Visual companions 12.0 at 13", 8.6 at 35". G: Cas-Tau OB1. 1660 S: Shell star. RV: Pole-on, but large range in RV in about 13y period. D: Primary of visual pair is occultation double; secondary, 9.1v at 111.5" is BD +21*764. G: Cas-Tau OB1. 1662 G: Wolf 630 group; Hyades? 1663 VAR: 6.73 - 6.82p. 1664 D: 5.78 Am, 6.62 Am, 198.9y, a = 1.04". Mean mass 1.7 solar. Combined mag., colors. CPM with ADS 3712 = GC6270, 9.8, 8 K2 sep. 3" at 348". DYN: ".021. 1666 N: Cursa; Dhalim; Kursa. G: Sirius group; UMa stream. 1668 G: Hyades moving group. 1669 D: AB, CPM. 1670 D: BC 8.6 dG7, 9.1, 32.1y, a = 0.217". CPM with component A. G: Hyades group and cluster; Mel 25 #131. 1671 D: ADS 3722B, K0III-IV. 1672 S: Spectrum in violet indicates luminosity III; G-band region, V. VAR: 2.87d not confirmed. SB: 155.83d, K 8.2k/s, V@-(0) +42.9k/s, asini 13.0. R: Radius relative to sun = 2.2. G: Hyades cluster; Mel 25 #130. 1673 G: Sco-Cen assoc. 1676 D: Suspected visual double probably single: unresolved by speckle interferometry. 1679 S: Shell star. H@Greek(a) emission. VAR: @Greek(b) CMa, amp. 0.09V, 0.24d. Both spectroscopic and new photometric data suggest period 0.70177d. M: Candidate for becoming a Be star. 1686 D: B, dF5, optical. C observed only once. 1690 S: Hg, Mn star; late type close companion. RV: Period 21.4d. D: Binary. G: Ori OB1A assoc. 1693 VAR: Lb 5.0 - 7.0v. 1695 VAR: SRb 5.1 - 5.28V, 40d. 1696 D: CPM. 1698 SB: ADS 3797A, 1031.40d, K 8.7k/s, V@-(0) +40.5k/s, asini 123. Unresolved by speckle interferometry. D: AB fixed. B, 8.4v, F7V at 7"; C, 11.8 at 182". 1700 G: Sco-Cen assoc. 1701 S: Component B variously classified G, F6III, A6V. D: AB 6.9 A4V, 7.1 A6V, 312y, a = 0.383". Combined mag., colors. C, 13v at 7", may be physical. 1702 S: Gallium lines strong. Strong C@-(2) bands. Manganese star spectrum appears earlier at shorter wavelengths. VAR: @Greek(a) CVn? 2.97 - 3.36V, per. about 2d. G: Member of Pleiades group. 1705 D: CPM. Combined mag., colors. 1706 VAR: @Greek(d) Sct 4.94 - 5.10V, 0.08809d. Form of light curve varies. SB: ADS 3824A, 3.788506d, K 23.0k/s, V@-(0) -9.8k/s, asini 1.20. D: AC binary. B, 11v at 13" optical. G: Possible new Eggen group with HR 63, q.v. 1707 S: Probable SiO maser emission. VAR: ADS 3845A, M 6.7 - 13.7v, 457.64d, period changes. D: Binary. Component B, 9.50V, +0.47(B-V), +0.09(U-B), F4IV. 1708 N: CAPELLA; Alhajoth. S: Chromospheric He 10830 double. Balloon-borne spectrometer revealed pronounced emission of MgII. Soft X-ray emission. Lithium content of the F-type component is 15 times that of the G component. VAR: Amp. 0.03V. Variable helium and X-ray emission. SB: 104.0204d, K 26.1k/s, V@-(0) +29.5k/s, asini 37.3. D: AP 0.6 G5III, 1.1 G0III, sep. 0.04", 0.285y, a = 0.054", masses 2.67 and 2.55 solar. Combined mag., colors. Capella is first star for which an orbit was determined from interferometer measures, by Anderson at Mt. Wilson in 1920. CPM with component H, a close binary, 10.0dM1, 13.7dM5 sep. 2" at 723" from A, probably physical with A. Other components all faint and distant from A. DYN: ".058. R: Diam. component A = ".0052, component B = ".0040. G: Hyades group. 1712 VAR: ADS 3843A, Ina 5.4 - 6.1v. Possibly a SN 2.5 million yrs. ago. D: Component B doubtful, possibly the nebula. C 10.7V at 30". G: Runaway star from Ori OB1 association. Moving at 128k/s in opposite direction from @Greek(m) Col = HR 1996. See HR 938. Exciting star of HII region S229; associated with nebula IC 405. S229 superimposed on S230. In reflection nebula. The best example of nebulosity in which the gas and dust are differently distributed. 1713 N: RIGEL; Algebar; Elgebar. C: Color excess E(B-V) = +0.00. S: Between wavelengths 10660 and 10915 no stellar lines except the chromospheric line He 10830. Weak magnetic field. SB: ADS 3823B, 9.860d, K 25.0k/s, V@-(0) +19.1, asini 3.37. May be due to pulsation. D: AxBC, CPM. BC binary, 7.6 B8II, 7.6v sep. 0.12". D, 15.4v at 44". BC also classified B5V+B5V. For B, vsini : 39k/s. DYN: ".004. R: Diam. = ".00243 - ".00255. G: Ori OB1; in reflection nebula; member assoc. Tau-Ori R1 at 360 pc. 1719 G: Group with HR 1603, 1622. Cas-Tau OB1. 1722 VAR: 7.2 - 7.40P. 1724 S: Possible H@Greek(a) emission. G: Field of Ori OB1A but probably not member. 1726 SB: ADS 3872A, 434.8d, K 14.8k/s, V@-(0) -27.5k/s, asini 88.0. D: CPM. 1728 VAR: EA 6.05 - 6.72B, A0+A0 4.13467182d. SB: 4.1346d, K 107.2k/s, V@-(0) +25.1k/s, msin@+(3)i 2.48, asini 6.09; vsini of secondary, 62k/s. D: Possible CPM with HR 1732. G: Aur OB1. Concentration of hydrogen emission in direction of this association. 1729 D: B, 13.4v at 29". C, 12.1v at 42" and D, optical. G: @Greek(e) Ind group. 1732 S: Magnetic star showing chlorine. Silicon star. Helium and neon deficient. Bluest known peculiar A-star: color characteristic of about B4V. Classified A0p because He weak, but in other respects the color is more indicative of the temperature than the spectral class of Ap stars. One of the hottest Ap stars known, about 17000*K. VAR: @Greek(a) CV 5.35 - 5.41V, 2.4660d. Spectrum var. same period. SB: Double lines. D: Possible CPM with HR 1728. 1736 D: Fixed. Companion spectral class A. 1741 D: CPM. Companion 9.64V, +0.76(B-V), +0.19(U-B), G1IV-V. 1746 G: Ori OB1. 1747 SB: ADS 3899A. D: Component B optical. 1748 G: Ori OB1A. 1749 SB: 35.5d, K 28k/s, V@-(0) +19k/s, asini 13.7. G: Cas-Tau OB1. 1750 SB: 5.4337d, K 26.8k/s, V@-(0) +5.8k/s, asini 2.00. D: Sep. 0.00002". 1752 SB: 2.1517d, K 113.3k/s, V@-(0) -19.7k/s, msin@+(3)i 1.71, asini 3.35; vsini both components 53k/s. D: Sep. 0.0005". 1753 D: Fixed with HR 1754. 1754 S: @Greek(l) Boo type? D: Fixed with HR 1753. 1756 G: Ori OB1. 1759 S: Spectra show Mn. D: CPM. 1761 S: Shell star. H@Greek(a) emission. Also classified B7IIIn. G: Ori OB1A. 1763 G: Ori OB1; in reflection nebula; faint HII region. Teardrop shaped nebula in blue light has no counterpart in red. 1764 G: Ori OB1A; Orion belt. 1765 SB: 293.0d, K 4.1k/s, V@-(0) +27.9k/s, asini 16.33. G: Ori OB1A; Orion belt. 1770 RV: Rapidly rotating; may become Be star. D: Fixed. Secondary 7.17V, -0.12(B-V), -0.63(U-B), B5Vn, vsini 350k/s. G: Ori OB1A. 1771 D: AB binary; C, 9.2v K0 at 61" optical. 1772 S: Shell star. 1773 D: AB fixed. 1777 G: Ori OB1. 1778 D: Companion A5IV, vsini 124k/s. 1779 S: Component A has abnormally strong CN. @Greek(l) 4150 star. D: CPM. Companion F6V. 1780 D: Companion optical. 1781 G: Ori OB1A; Orion belt. 1782 D: BC 7.8 F8V, 7.9 F8V, 48.0y, a = 0.34". AxBC physical. G: Ori OB1. 1786 S: Shell star. G: Ori OB1A. 1788 VAR: EB 3.14 - 3.35B, 7.989268d. SB: ab, 7.9841d, K 145.2k/s, V@-(0) +35.9k/s, asini 15.9. abc, 9.2y, K 17.5k/s, V@-(0) +19.5k/s, asini 805. Resolved by speckle interferometry at 4 meter Mayall telescope, sep. 0.04"; vsini secondary, 39k/s. RV: Expanding circumstellar shell. D: ADS 4002A is SB triple system, abc. Visual components AB, binary, 3.8, 4.8v sep. 1.60", C, 9.4v at 115". The total mass of the quintuple system exceeds 50 solar masses, the most massive component about 17 solar masses. G: Ori OB1A; Orion belt; cluster CR 70. 1789 S: Shell star. VAR: I? 4.6 - 4.9v. 14.50d? RV: Period 3-5y? Expanding circumstellar shell. G: Ori OB1A. 1790 N: BELLATRIX; the Amazon Star. RV: Expanding circumstellar shell. AEROBEE evidence for mass ejection up to 1600k/s. R: Diam. = ".00070 - ".00072. G: Ori OB1. 1791 N: ALNATH; EL NATH; Nath. @Greek(b) Tau is also @Greek(g) Aur, in Taurus. C: Color excess E(B-V) = 0.00. S: Manganese star. RV: Expanding circumstellar shell. G: Member of Pleiades group. 1793 VAR: Lb? 5.71 - 6.05V. 1794 G: Open cluster NGC 1907 #1. 1800 S: Manganese star. Spectra also show Hg. D: 194.28y, a = 0.169". G: Ori OB1A; Orion belt. 1803 SB: 2.8884d, K 71.2k/s, V@-(0) +16.8k/s, asini 2.81. G: Ori OB1A. 1804 G: Aur OB1. Concentration of hydrogen emission in direction of this association. 1805 G: Hyades group. 1806 G: Ori OB1; sword of Orion. 1808 D: ADS 4038A is occultation double. B and C are 10.1v at 305" and 11.8v at 343". G: Member of the local association (Pleiades group); Cas-Tau OB1. 1810 D: ADS 4048A is occultation double, equal magnitudes. The three visual companions: B, 10.9v at 38"; C, 10.4 at 59"; and D, 11.6 at 74" may all be CPM with A. G: Cas-Tau OB1. 1811 VAR: Ell 4.31 - 4.34B, 2.52588d. SB: ADS 4039A, 2.5260d, K 142.8k/s, V@-(0) +15.8k/s, msin@+(3)i8.74, asini 4.95. Apsidal per. 44.8y. D: AB about 6300y. B, 10.3V, vsini 96k/s. C, 12.3v at 83". G: Ori OB1A. 1812 D: Companion F5. 1818 SB: Small amp. brighter comp. of visual double. D: AB, 6.9, 7.2v sep. 0.2" binary. C, 6.8v A0. Combined mag. and colors of AB. 1820 G: Ori OB1A. 1821 RV: ADS 4068B, +20k/s; vsini 197k/s. D: AB binary, B is A0V; colors for combined light. C, 11.5v at 141". 1823 G: Probable Hyades group. 1824 S: @Greek(l) 4150 star. 1825 D: Companion 7.62V, +0.94(B-V), +0.69(U-B), G8III. 1826 G: Ori OB1C; Orion belt. 1829 N: NIHAL; Nibal. VAR: ADS 4066B, 7.0 - 11.0v. D: AB binary; C, 12.0v at 64"; D, 10.5 at 206"; E, 10.5 at 241". 1833 G: Ori OB1A; Orion belt star. 1834 VAR: ADS 4097, cst. 4.70V. D: CPM. Companion 9.70V, +0.71(B-V), +0.15(U-B), F7V. 1837 VAR: SR? 5.9 - 7.1v, 120?d. 1839 D: 4.49 B5IV, 5.82 B7V, 586y, a = 1.293". Combined mag. and colors. DYN: ".008. G: Cas-Tau OB1; member of Pleiades group. Field of Ori OB1A but probably not member. 1840 G: Ori OB1C; sword of Orion. 1841 VAR: Nb(EA) 4.1 - 15.8p. Eclipsing period 0.2044d. 1842 D: AB fixed. Combined mag., colors. G: Ori OB1A. 1843 SB: 655.16d, K 20.5k/s, V@-(0) -0.2k/s, asini 182. G: Aur OB1. Concentration of hydrogen emission in direction of this association. 1845 C: Large infrared excess. S: Ultraviolet FeII emission. VAR: SRc 6.1 - 6.5p, 165d. R: Diam. ".0105. 1847 SB: ADS 4131A. D: Fixed. Companion is B7IV, vsini 291k/s. 1848 G: Ori OB1C; sword of Orion. 1851 C: IR source. D: Binary with HR 1852, q.v. G: Ori OB1B3; Orion belt. 1852 N: MINTAKA; Mintika. C: Color excess E(B-V) = +0.07. S: Nitrogen deficient. Interstellar Lyman @Greek(a) absorption observed by AEROBEE rocket. VAR: ADS 4134A, EA 1.94 - 2.13B, 5.732476d. SB: ADS 4134A, 5.7324d, K 101.0k/s, V@-(0) +20.1k/s, asini 7.92. The first SB in which stationary lines were observed. RV: Mass ejection at up to 1800k/s. D: Binary with C = HR 1851. Component B, 14.0v at 33". G: Ori OB1B3; Orion belt; cluster CR 70. 1855 N: Thabit; Tabit. See HR 1543. RV: Expanding circumstellar shell. G: Ori OB1C; sword of Orion. 1857 D: CPM. 1858 S: Shell star. RV: Pole-on? 1861 VAR: Amp. 0.10y. D: CPM. G: Ori OB1B2; Orion belt; HII region. 1863 D: All components CPM? CD binary, 8.9v B8, 9.7v sep. 0.8" at 30" from A. G: Ori OB1B2; Orion belt. 1865 N: ARNEB. S: Probable magnetic star. G: Sco-Cen assoc. 1868 VAR: EB 5.14 - 5.51p, B1V + B7V, 1.48537769d, i 80.9*. SB: AB, 1.4854d, K 128.6k/s, V@-(0) +22.1k/s, msin@+(3)i 7.56, asini 2.63. ABC, 119.088d, K 13.5k/s, V@-(0) +3.3k/s, asini 21.2. Spectra (A)B1V, (B)B5-B9V, (C)A7V. Masses 7.6, 3.42, 1.5 solar, respectively. G: Ori OB1B2; Orion belt. 1871 G: Ori OB1A; Orion belt star. 1872 D: Suspected visual double probably single. Unresolved by speckle interferometry. G: UMa stream; Ori OB1. 1873 C: Abnormal reddening at 1500A. G: Ori OB1B2; Orion belt. 1875 SB: 7.83552d. G: Member of the local association (Pleiades group); Cas-Tau OB1. 1876 SB: 8.4y, K 13.3k/s, V@-(0) +33.2k/s, asini 547. Unresolved by speckle interferometry. G: Ori OB1; exciting star of HII region S264; @Greek(l) Ori assoc. 1879 N: Meissa; Heka. C: Color excess E(B-V) = +0.12. VAR: Uncertain which of HR 1879 or 1880 is the variable suspect. D: A,B,C fixed. B is HR 1880. Colors for combined light. Blended mag., 3.39V. C is 11.2v at 29"; D, 11.2 at 78". G: In cluster Collinder 69; exciting star of HII region S264; in @Greek(l) Ori assoc. @Greek(l) Ori and surroundings are at same distance as Ori OB1 assoc. but are not members. @Greek(l) Ori member surrounded by expanding HII region. 1880 D: See HR 1879. G: See HR 1879. 1883 D: CPM. G: In HII region; @Greek(l) Ori assoc. 1886 D: Fixed with HR 1887. G: @Greek(i) Ori cluster; Ori OB1C4; sword of Orion. 1887 D: Fixed with HR 1886. G: @Greek(i) Ori cluster; Ori OB1C4; sword of Orion. 1890 S: He strong. SB: 18.65d, K 30k/s, V@-(0) +32k/s, asini 7.34. The 18.65 or 9.3d periods may be spurious, with 0.9015d as the true period. Rotation vsini 150k. G: Ori OB1C1; Orion northern sword. 1891 G: Ori OB1C1; Orion northern sword. 1892 C: Color excess E(B-V) = +0.05. D: Binary. COPERNICUS spectra and IR photometry yielded no evidence on the companion. G: In HII region; Ori OB1C2; sword of Orion. No emission from the nebula. 1893 C: Abnormal reddening at 1500A. IR source. VAR: ADS 4186A, EA, amp. 0.8V, 65.4325d. SB: 65.43233d, K 33.3k/s, V@-(0) +13.3k/s. D: ADS 4186AC fixed at 13". C = HR 1895. ADS 4186 and 4188 together appear to form one complex multiple system whose brightest components are ADS 4186C = HR 1895 and ADS 4188A = HR 1897. These two components are double star STF 17 which IDS lists as part of ADS 4188. Thus the 9 components of ADS 4186 and the 4 of ADS 4188 form one system of at least 12 components. Those of ADS 4186 range from mag. 5.4 to 16.7v, all within 22" of A. ADS 4188 besides HR 1895 has two other companions: B, 6.5v at 53" and C, 7.6v at 129" from HR 1897. G: Ori OB1D; sword of Orion; a trapezium star. 1894 C: Abnormal reddening at 1500A. S: Also classified B1-3V+A7IV. VAR: ADS 4186B, EA 7.95 - 8.52V, 6.470525d, i 87.7*. SB: 6.4705d, K 52.8k/s, V@-(0) +20.7k/s, msin@+(3)i 5.76, asini 4.70. D: Fixed with HR 1895 at 17". See HR 1893. G: Ori OB1D; sword of Orion; a trapezium star. 1895 C: Abnormal reddening at 1500A. Color excess E(B-V) = +0.32. Morel and Magenat indicate (R-I) from -0.13 to 0.00 in disagreement with other Johnson sources. S: Interstellar Lyman @Greek(a) absorption observed by AEROBEE rocket. VAR: He II 4686 suggests var. density of infalling material on time scale of days. SB: Inverse P Cyg profile suggests infalling material rather than SB. D: See HR 1893. Fixed with HR 1896 at 13". G: Ori OB1D; sword of Orion; a trapezium star. Orion Neb, NGC 1976, HII reg. M: No clear evidence for being X-ray source. Temp. 32000* excites nebulosity to 10600*. 1896 C: Abnormal reddening at 1500A. D: See HR 1893, 1895. G: Ori OB1D; sword of Orion; a trapezium star. 1897 C: Abnormal reddening at 1500A. SB: ADS 4188A, 20.96722d, K 90.5k/s, V@-(0) +32.1k/s, asini 25.6. Primary 20 solar masses, secondary over 14 solar. Possibly the counterpart of X-ray binary 3U0527-05 with perhaps collapsed components. D: ADS 4188AB fixed at 52". B is 6.38V, -0.05(B-V), -0.93(U-B), B0.5V; vsini 17k/s. See HR 1893. G: Ori OB1D; sword of Orion; M42; HII region. M: May be X-ray source 3U0527-05. 1898 D: CPM. G: Ori OB1C1; Orion northern sword. 1899 N: Nair al Saif; Hatysa in Becvar. C: Color excess E(B-V) = +0.07. S: Enhanced ultraviolet emission. Helium weak. Interstellar Lyman @Greek(a) absorption observed by AEROBEE rocket. @Greek(i) Ori B is a helium weak star. Helium deficient by factor of 10 relative to standard stars. P and Ga enormously enhanced. SB: ADS 4193A, 29.1351d, K 115.2k/s, V@-(0) +26.6k/s, msin@+(3)i 15.7, asini 30.0. RV: ADS 4193A, mass ejection vel. up to 1600k/s. ADS 4193B, +16k/s. D: AB fixed. B is B7IV; vsini 50k/s. G: @Greek(i) Ori cluster; Ori OB1C4; sword of Orion; HII region. 1900 G: Ori OB1C; between belt and sword of Orion. 1901 G: Ori OB1C2. 1902 D: AB binary, both components B8IV. Combined magnitude and colors. 1903 N: ALNILAM; Alnihan; Alnitam. C: In both infrared survey and UV CELESCOPE. Color excess E(B-V) = +0.08. S: Nitrogen deficient. Interstellar Lyman @Greek(a) absorption observed by AEROBEE rocket. VAR: I? 1.68 - 1.71V. RV: UV AEROBEE spectra indicate mass ejection at velocity up to 1800k/s. R: Diam. = ".00067 - ".00069. G: Ori OB1B2; Orion belt; cluster NGC 1980; nebulosity. 1905 G: Mel 25 #168; Hyades cluster. 1906 G: Ori OB1D1; sword of Orion. 1907 G: @Greek(s) Pup group. 1910 C: Color excess E(B-V) = +0.09. S: Lyman @Greek(b) observed from COPERNICUS. Spectra obtained from AEROBEE rocket show absorption features at 1920 (FeIII) and 1720A (AlII) associated with extended atmosphere or circumstellar shell. VAR: @Greek(g) C 2.90 - 3.03V. Var. shell Sp. Widths H-lines vary in about 10 min. Polarization at H@Greek(b) changes in tens of minutes, probably due to circumstellar matter. SB: 132.91d, K 8.9k/s, V@-(0) +21.8k/s, asini = 16.1. Common circumstellar envelope. The 132.9d period superimposed on a 7y pseudo-period related to oscillation of envelope. RV: Rapidly rotating star. Rotational velocity varies with wavelength: vsini about 300k/s in visual, 150 or less in UV. Expanding circumstellar shell. Shell-line velocities do not correspond to orbital elements; possibly gaseous ring. Unstable shell star with pseudo-periodic phenomena. D: Sep. 0.007". G: Cas-Tau OB1. 1911 RV: ADS 4212B, +25.3k/s. D: CPM. Combined mag., colors. G: Ori OB1C; sword of Orion. 1912 D: BC, 10.0, 12.2v, sep. 11.3" at 55" from A. Optical. 1913 G: Ori OB1. 1914 D: AB 6.0 A2V, 6.3 GIII, 53.2y, a = 0.135". Combined, mag., colors. C, 8.6v F0V at 12", physical; D, 11.5v at 33". DYN: ".005. 1917 SB: 180.8757d, K 22.4k/s, V@-(0) +9.8k/s, asini 47.9. 1918 G: Member of the local association (Pleiades group); Ori OB1C; sword of Orion. 1922 VAR: C@Greek(d) 3.46 - 4.08V, 9.84200d. Period varies. RV: Same period, originally considered SB in 1924; later identified as pulsating. 1923 G: Ori OB1C; sword of Orion. 1924 SB: About 6.5d, K 9k/s. D: Sep. 0.00001". G: Cas-Tau OB1. 1925 D: Component B, 9.9v M1 at 99", is BD +53*935, CPM. Component D is F5. Other companions 12.4 and 12.8v. 1928 SB: 27.864d, K 25.5k/s, V@-(0) +14.8k/s, asini 8.16. D: Occultation triple, secondary sep. 0.0003"; third component 8.5v at 0.32". G: Cas-Tau OB1; member of Pleiades group. 1931 S: Hydrogen deficient. Interstellar Lyman @Greek(a) absorption observed by AEROBEE rocket. D: AB 4.1 O9.5V, 5.1 B0.5V, 170y, a = 0.247". Combined mag. and colors. C, 8.79V, A2V at 11" may be physical; D, 6.62V, -0.20(B-V), B2V, at 13" and E = HR 1932, at 42" CPM with A. A multiple system similar to trapezium. ADS 4241 possibly the most massive visual binary known, 35 solar masses. DYN: ".003. G: Ori OB1B1; Orion belt; HII reg.; IC 434; a trapezium system. 1932 S: Strong HeI lines. Prototype He-rich star. VAR: E, amp. 0.10y, 1.19081d. H@Greek(a) emission profiles same period, possibly also 6d. Var. shell spectrum. D: See HR 1931. Speculation that component E may be captured star older than the other components. G: Ori OB1B1. 1933 G: Ori OB1C; sword of Orion. 1934 VAR: @Greek(g) C 4.40 - 4.59V. Var. hydrogen emission. G: Ori OB1A; in reflection nebula; member assoc. Tau-Ori R1 at 360 pc. 1937 SB: 445.74d, K 28.6k/s, V@-(0) -1.5k/s, asini 146. Massive invisible component. G: Sco-Cen assoc. 1939 VAR: Lc 6.13 - 6.30V. G: Aur OB1. 1942 S: Weak 4481 MgII line. G: Ori OB1 assoc. 1944 D: Except B all companions at distances 41" to 129" from A, and 5 of them mag. 8 to 10v. 1945 SB: ADS 4254A. D: CPM, B is 7.18V, -0.04(B-V), -0.14(U-B), B9.5V, vsini 120k/s. 1946 VAR: ADS 4265B, @Greek(b) C? 6.2 - 7.0v. D: 5.3 B3IV, 5.9 B3V, 78.45y, a = 0.19". Equal components. Combined mag., colors. DYN: ".004. G: Member of the local association (Pleiades group); Cas-Tau OB1. 1948 N: ALNITAK; Alnitah. C: Color excess E(B-V) = +0.09. S: Nitrogen deficient. Interstellar Lyman @Greek(a) absorption observed by AEROBEE rocket. VAR: ADS 4263. Uncertain which component, HR 1948 or 1949, is the variable suspect. RV: Mass ejection up to 1800k/s. D: AB 1.88 O9.5Ib, 4.02 B2III, 1508.6y, a = 2.728". Colors for combined light. Blended magnitude 1.76V. 18 and 6 solar masses. B is HR 1949. C is 9v at 58". R: Diam. = ".00047 - ".00048. G: Ori OB1B1; Orion belt; exciting star of HII region S277; HII region; IC 434. M: In line of sight of high velocity interstellar cloud. 1949 S: Interstellar Lyman @Greek(a) absorption observed by AEROBEE rocket. D: See HR 1948. G: Ori OB1; Orion belt; HII region; IC 434. M: In line of sight of high velocity interstellar cloud. 1950 G: Ori OB1B1. 1951 S: Possibly Hg in spectrum. 1952 SB: 27.1546d, K 88.5k/s, V@-(0) +36.2k/s, msin@+(3)i 6.36, asini 22.6. G: Ori OB1B1; Orion belt. 1953 G: @Greek(s) Pup group. 1955 G: Ori OB1. 1956 N: Phaet; Phakt; Phact; Phad. C: Color excess E(B-V) = 0.00. VAR: H@Greek(a) emission variable. Rapid variations in H@Greek(b) profile. RV: Expanding circumstellar shell. 1957 VAR: Amp. 0.03v, 0.04U, 1.099d. 1959 D: CPM. G: Ori OB1B1. 1960 S: H@Greek(a) emission. 1961 G: Cas-Tau OB1. 1962 S: Shell star. 1963 G: Ori OB1. 1964 VAR: Amp. 0.15V, 0.08R. 1967 D: AB 6.5 F5V, 6.9 F6V, 20.10y, a = 0.201". 1968 S: Strong shell star absorption; no emission. 1970 SB: 143.04d, K 9.1k/s, V@-(0) +32.1k/s, asini 17.9. 1971 G: UMa stream. 1977 VAR: SRa 10.1 - 12.2p, 240.9d. Mean mag. varies in period 1750d. RV: Sign uncertain. R: Occult. diam. = ".0080 - ".0088. 1978 D: BC, 9.5, 13.0v, sep. 1.3" at 17" from A, optical. G: Ori OB1. 1982 D: CPM with HR 1983. C, 11.0v at 45". G: Sirius group. 1983 D: CPM with HR 1982. G: Sirius group; UMa stream. 1984 VAR: @Greek(d) Sct? 1986 D: CPM. Companion 8.97V, +0.55(B-V), +0.08(U-B), G0IV. 1987 D: Optical. 1988 G: Ori OB1. 1991 VAR: 2.644d, 0.01V. Additional irregular variability. 1992 D: Third component @Greek(D)m 6.29V, 80" from A. 1993 G: Member of the local association (Pleiades group); Cas-Tau OB1. 1995 G: Ursa cluster? UMa stream. 1996 C: Color excess E(B-V) = +0.02. VAR: Speculation that star may have been a SN 2.5 million yrs. ago. G: Runaway star from Ori OB1. See HR 938. 1997 SB: ADS 4392A. D: AB binary. C, 7.2v A0 at 75", CPM. 1999 SB: vsini of secondary 70k/s. D: Binary. Companion F0. 2001 VAR: E 6.1 - 6.5p. 3.4057d. Redder at min. SB: Spectroscopic triple system with nearly equal components. 2004 N: SAIPH. C: Color excess E(B-V) = +0.07. S: Deficient in ultraviolet relative to most early-type supergiants shortward of 2800A. R: Diam. ".00044 - ".00045. G: Ori OB1. 2011 VAR: Amp. 0.1V. Cycles 35-36d in 1970-1 not confirmed in other seasons. 2012 D: Companion optical. S: G9.5III CN 0.5 Fe 1 Ba 0.2: 2013 D: Third component, visual, 12v at 15". Reality of the occultation binary, sep. 0.01", has been questioned. R: Occult. diam. = ".0024. 2014 G: Probable Hyades group. 2018 VAR: Amp. 0.10V. M: High space velocity. 2020 S: Shell star. 2021 D: CPM. Combined mag., color. 2022 G: 61 Cyg group. 2024 S: vsini of secondary, 85k/s. VAR: Amp. 0.082. 2027 VAR: EB 5.12 - 5.29V, 2.933241d. SB: 2.9333d, K 78.0k/s, V@-(0) -4.0k/s, asini 3.15. 2028 M: High space velocity. 2029 N: Flamsteed also called this star 32 Cam = 30 Aur. S: @Greek(l) Boo type. R: Radius relative to sun = 2.6. G: Sirius group? 2030 S: vsini of secondary, : 50k/s. 2031 G: Ori OB1C. 2033 VAR: Amp. 0.05U, 2.63?d. Possible new periods of 2.654 and 1.5889d, of which the smaller preferred. 2034 SB: 5.969d, K 48.9k/s, V@-(0) -17.2k/s, msin@+(3)i 0.633, asini 4.01. D: Sep. of occultation pair 0.0013". Visual companion 12.0v at 15". 2035 S: K0III CN-2 Fe-1.5 CH 0.5. 2040 N: Wezn; Wazn. G: 61 Cyg group. 2042 G: Wolf 630 group. 2047 D: Possibly triple system: occultation double sep. 0.6", astrometric 0.005". Magnitudes of separate components unknown. A*, 14.25y, a = 0.095". Probably low-mass companion. R: Occult. diam. = ".0016. G: In UMa cluster; Sirius group? UMa stream. 2050 D: Optical. 2052 SB: 7.9969d, K 70k/s, V@-(0) +21k/s, msin@+(3)i 8.84, asini 7.70. D: Sep. 0.0006". G: Cas-Tau OB1. 2053 D: AB optical. C, 12v at 45". 2056 VAR: Ell?, amp. 0.11V, 0.03b, 0.640d. 2058 G: Ori OB1C. 2059 VAR: EA 6.20 - 6.90V, 8.569d. Sp. at min., B9V. SB: 8.5690d, K 59.8k/s, V@-(0) -1k/s, msin@+(3)i 3.39, asini 7.03. G: Sco-Cen assoc. 2061 N: BETELGEUSE; Betelguex; Betelgeuze; Beteiguex; Al Mankib. S: Ultraviolet FeII emission. 5 micron observations indicate carbon monoxide. STRATOSCOPE II observations indicate infrared H@-(2)O bands. UV observations from OAO-2 indicate C and O underabundant. MgII emissions indicate a cooler shell surrounding the supergiant. VAR: ADS 4506A, SRc 0.40 - 1.3V, 2335d. SB: ADS 4506A, 5.781y, K 3.08k/s, V@-(0) +20.33k/s, asini 81.773. RV: Expanding circumstellar shell, extending at least 29" or about 600 stellar radii. If rate constant, initial potassium ejection about 2700 years ago. 2.85cm radio emission indicates mass loss. D: Components B-E all 11 to 14.5v at sep. 40" to 174" from A. D 13.5 at 77", optical. P, sep. 0.1", magnitude unknown. R: The first star whose diameter was measured with the interferometer, ".047, by Michelson and Pease at Mt. Wilson in 1920. M: Radio star. Circumstellar shell of gas and dust. The gas shell detached from photosphere at about 5 stellar radii. Diam of optically thin dust shell possibly 1".5. Surrounded by reflection nebula. Gas shell up to 100 R, dust shell from 12 to 250 R. Highly limb darkened. 2063 S: Infrared star. OH and H@-(2)O emission. SiO maser source. OH emission strong in infrared. Also H@-(2)O microwave emission. IR spectra show water vapor. Strong H@-(2)O bands at light minimum. VAR: M 4.8 - 12.6v, 372.40d. R: Occult. diam. = ".0143 - ".01545. P: Polarization possibly due to circumstellar dust scattering. 2065 G: @Greek(e) Ind group. 2067 D: All companions optical. 2072 G: Sco-Cen assoc. 2074 G: Gem OB1. 2084 C: Color excess E(B-V) = +0.15. G: Gem OB1. 2088 N: Menkalinan; Menkalina. VAR: ADS 4556A, EA 1.93 - 2.02B, A2+A2, 3.9600421d, i 78.5*. SB: ADS 4556A, 3.9600d, K 107.5k/s, V@-(0) -17.1k/s, msin@+(3)i 2.20, asini 5.85. Masses 2.33, 2.25 solar. Rotational velocities both components < 30k/s. Second SB ever discovered, by Antonia Maury, 1889. D: AB binary. C, 14.1v at 13". R: Radius relative to sun = 3.0. G: In Ursa cluster; Sirius group; UMa stream; UMa cluster. 2091 C: Large infrared excess. S: Ultraviolet FeII emission. VAR: Lc 4.24 - 4.34V. Radio emission at 2.85cm indicates mass-loss. M: Radio star. 2094 G: Hyades moving group. 2095 VAR: ADS 4566B. Amp. 0.43m at 1400A, about 1.37d. D: AB binary , combined mag., colors. B is 7.2v G2V. C, 11v at 49" optical. R: Radius 3.3 solar. 2096 D: AB probably binary. B, 11v at 2". Component C, K0III, optical. 2099 D: Binary. 2100 VAR: @Greek(d) Sct 5.88 - 5.89v, 0.054d. SB: 2.7405d, K 55.6k/s, V@-(0) +45.3k/s, asini 2.09. 2102 G: @Greek(e) Ind group. 2107 VAR: @Greek(d) Sct 5.93 - 6.36V, amp. 0.38 B, 0.13372, 0.13612 and 0.08261d; amp. var. in 7.7455d. Multiple periods. SB: 15.492d. G: Sco-Cen assoc. 2108 SB: 9.3553d, K 57.1k/s, V@-(0) +22.2k/s, asini 7.18. 2111 D: Optical. G: Gem OB1. 2114 VAR: Amp. 0.15p, may be spurious due to companion. D: C, 13.0v at 20" from B. 2116 N: 141 Tau in Gemini. 2119 G: @Greek(s) Pup group. 2121 G: Probable Hyades group. 2123 VAR: @Greek(d) Sct? D: BC, 9.0, 10.0v, sep. 0.6", CPM with A. 2124 S: K/m indicate A3/A7 respectively. VAR: ADS 4617A, E, 4.12 - 4.18?V. SB: ADS 4617A, 4.4476d, K 28.4k/s, V@-(0) var., asini 1.74. ADS 4617AB, 18y, K 14.9k/s, V@-(0) +43.3k/s, asini 851. D: AB 4.4 A2V, 6.0 F3V, 18.25y, a = 0.089". Magnitude and colors for combined light. Component C, 14v at 18" probably optical. DYN: ".023. G: Mel 25; the Hyades. 2128 SB: ADS 4615A. D: Binary. 2129 G: Sco-Cen assoc. 2130 S: Luminosity also given as V. SB: 14.57d. D: Occultation triple. Secondary, sep. 0.0014". Third component 6.5v at 0.060". 2132 G: Hyades group. 2134 N: Propus, a name more commonly applied to HR 2216. SB: Comp. B of double; 9.5966d, K 51.7k/s, V@-(0) +31.7k/s, asini 6.82. D: AB 4.7 G6III, 5.1 G8III, 13.17y, a = 0.19". Combined mag., colors. Component A occultation binary, 4.9, 6.9v, sep. 0.0013". Component C, 13.0v at 101". 2135 VAR: H@Greek(a) profile var. D: Sep. 0.02". G: Gem OB1. 2137 D: Confusion as to whether B or C is the brighter, B at 18", C at 84" from A. 2140 D: C is 15v at 21". 2142 S: Shell star. VAR: 5.20 - 5.23V, 80.85d, periodic shell phenomena. RV: Rapidly rotating and variable hydrogen lines suggest recent ejection of equatorial shell. 2143 VAR: Suspected of 0.01m variability. SB: 28.28d, K 51.4k/s, V@-(0) +16.9k/s, msin@+(3)i 1.35, asini 16.6. 2146 D: CPM. Companion 10.72V, +0.90(B-V), +0.25(U-B), F7V. 2148 VAR: Z And? 4.82 - 5.06V. H-line var. M-type component irreg. amp. 0.07y. Shell Sp. varies like R CrB. SB: 260.0d, K 21.0k/s, V@-(0) +15.1k/s, asini 74.4. Unresolved by speckle interferometry. Probable masses, 1.4 for M-type star, 4.6 for B-type. The B star subject to outbursts possibly correlated with orbital phase. R: Radius 1.5 solar. 2149 D: Sep. 0.097". G: Sco-Cen assoc. M: Runaway star from Sco OB1 from which it appears to have been ejected 14 million yrs ago at velocity 150 km/sec. 2151 VAR: Lb? 6.39 - 6.51V. 2155 R: Radius relative to sun = 2.4. G: Hyades group. 2156 VAR: SRb 7.1 - 8.9p, 90d, superimposed on oscillations of 875 to 890d. G: Wolf 630 group. 2157 D: CPM with HR 2158. 2158 D: Binary 5.9, 9.4v sep. 5", CPM with HR 2157. 2159 SB: 131.211d, K 33.3k/s, V@-(0) +24.1k/s, asini 46.2. G: Cas-Tau OB1; member of Pleiades group. 2162 VAR: Amp. 0.10V. RV: Component B, +14k/s. D: 7.2 G5, 7.4, 463.5y, a = 2.94". DYN: ".037. 2166 VAR: Amp. 0.13V. 2172 SB: 106d, K 40.5k/s, V@-(0) +13.5k/s, msin@+(3)i 1.55, asini 45.8; vsini both components, 30k/s. Unresolved by speckle interferometry. 2173 VAR: ADS 4751B, 7.0 - 10.0v. D: AB binary, combined mag., colors. C 14.4v at 18". G: Gem OB1. 2174 VAR: ADS 4749A, spectrum variable. Sometimes shows shell features. D: AB CPM. B is 6.94V, +0.04(B-V), -0.02(U-B), A0V, vsini 120k/s. Component C, 8.9v at 118". HD erroneously assigned the preceding number, HD 42092, to the fainter following component of ADS 4749. Consequently the data for the two primary components are sometimes interchanged. vsini for component A is 250k/s. 2175 D: Binary with HR 2176. G: Hyades group. 2176 D: Binary with HR 2175. G: Hyades group. 2177 M: Old disk population runaway star. 2181 D: Sep. 0.099". 2185 G: In NGC 2168. 2186 D: 6.4 F5V, 6.5 F5V, 18.2y, a = 0.203". DYN: ".019. 2190 VAR: SRc 8.7 - 9.5p, 182d. G: Gem OB1. 2195 VAR: Small amp. 3.6d? 2197 VAR: Lc? 5.74 - 7.5V, possibly E, per. 32y. G: Gem OB1. 2198 SB: 19.0d, K 15k/s. G: Cas-Tau OB1; member of Pleiades group. 2199 SB: 45.10d, K 22.4, V@-(0) +19.3, asini 13.41. G: Member of the local association (Pleiades group); Cas-Tau OB1. 2202 VAR: Amp. 0.02y, 0.724d. 2207 G: Member of the local association (Pleiades group). 2212 VAR: EB 4.65 - 4.90V, 1.672541d. SB: 1.6725d, K 167.0k/s, V@-(0) +30.6k/s, asini 3.84. 2214 D: Binary. Occultation indicates sep. 0.27". 2215 VAR: Lb? 4.93 - 5.04V. 2216 N: Propus; Praepes; Tejat Prior. VAR: ADS 4841A, SRb(E) 3.27 - 3.9, 232.9d. Deepest min. satisfy SB period 2984d. SB: ADS 4841A 2983d, K 8.8k/s, V@-(0) +17.6k/s, asini 306. Unresolved by speckle interferometry. D: AB, 473.7y, a = 1.08". B is 8.8v at 1.4". A is occultation double, sep. 0.03". Masses A, 12.4; B, 5.5 solar. The three components surrounded by a gaseous envelope. DYN: ".007. 2217 D: AB CPM. B is dF0; C 12.3v at 202" optical. D, 11.5v at 120" from A. 2218 G: Probable Hyades group. 2220 D: B and C optical. Aitken and Wallenquist disagree on magnitude difference: Aitken AB 6.0, AC 5.3, AD 4.8; Wallenquist 5.6, 7.6, 7.3 respectively. Separation 25", 76" and 86" respectively. 2222 M: Old disk population runaway star. 2227 N: Called @Greek(a) Mon in BAC and many early catalogues. Now HR 2970 is called @Greek(a) Mon. 2228 G: UMa stream. 2230 G: UMa stream. 2236 D: 6.8 F5, 7.0, 28.1y, a = 0.165". 2238 VAR: @Greek(d) Sct. Line widths vary, 0.3d. RV: 0.04d. 2239 G: @Greek(h) Cep group. 2240 G: In cluster CR 89; Gem OB1; in nebulosity. 2247 D: AP 6.1 A2IV, 9.0y, a = 0.109". B and C both 8.4v at 63" and 117", both optical. D, 11v at 5" from C. DYN: ".020. 2249 S: H@Greek(a) emission. 2253 D: AB binary. B, 13.0v at 2". C, optical? 13.28V, +0.56(B-V), +0.34(U-B). 2254 D: Optical. G: Wolf 630 group. 2256 VAR: 5.4 - 5.47B. 2257 D: AB binary. C, 12.9v at 26". D, 11.0 at 100". AE magnitude difference 6.24V, sep. 70". 2258 VAR: Amp. 0.04U, 0.01y. 2260 S: Bright ultraviolet. VAR: Amp. 0.03V. 2263 G: @Greek(z) Her group. 2264 SB: 6.5013d, K 31.7k/s, V@-(0) -1.5k/s, asini 2.83. 2268 G: Probable Hyades group. 2274 D: AB optical. B is F8. 2280 VAR: ADS 4971, 6.3 - 6.37V, combined mag. Difference between components varies from 0.2 to 1.5V. Uncertain which component is var. D: 6.8 A3V, 7.4 A6V, 120y, a = 0.448". 2282 N: Furud; Phurud. SB: 675d, K 13.5k/s, V@-(0) +32.2k/s, asini 103. G: Member of the local association (Pleiades group). 2284 VAR: @Greek(g) C 5.46 - 5.64V. D: AB CPM. C at 56". 2285 D: CPM. 2286 N: Tejat Posterior; Calx; Pish Pai. S: Ultraviolet FeII emission. VAR: Lb? 2.76 - 3.02V. R: Occult. diam. = ".0118 - ".0158. G: @Greek(z) Her group. 2288 VAR: 5.48 - 5.54V. Not var. in U. 2289 VAR: Lc? 6.6 - 7.2p. 2291 S: CaII/H/met indicate A3/A1/F0-2 respectively. Spectrum also classified A3Vm+F0V and A7V+F3V. VAR: EA 5.64 - 6.03V, 9.945070d, i 87.8*. Close third body or circumstellar matter needed to account for the light curve, but no spectroscopic evidence available. SB: 9.9451d, K 65.7k/s, V@-(0) -11.9k/s, msin@+(3)i 2.11, asini 8.98. D: Possibly faint visual companion at 50". G: UMa stream; Sirius group. 2292 G: Cas-Tau OB1. 2293 D: B, 10v at 31" optical; C, G8III probably optical. D, 12v at 80". 2294 N: Murzim; Mirzam; Mirza. C: Color excess E(B-V) = +0.01. S: Lyman @Greek(a) and Lyman @Greek(b) observed from COPERNICUS. VAR: @Greek(b) C 1.93 - 2.00V. Prototype star. Multi-periodic: 0.25002246, 0.2513003, 49.17 and 0.23904d, others reported. Sp. also var. over 0.25d. RV: 0.25002246 and 49d. R: Diam. = ".00050 - ".00052. 2296 C: IR source. SB: 868.78d, K 10.6k/s, V@-(0) -2.6k/s, asini 90.4. G: In Ursa cluster? Sirius group. 2298 SB: 331d? Unresolved by speckle interferometry. D: Binary with HR 2299. Combined light 4.30V, +0.21(B-V). Component C, 12.2v at 93". 2299 D: See HR 2298. 2300 RV: Recent determination of vsini, 300k/s. 2304 D: Occultation and speckle interferometry double, sep. 0.055". 2306 VAR: ADS 5023B, 7.5 - 9.0v. 2308 S: Technetium found in spectrum. VAR: Lb 8.5 - 9.7p. 2309 RV: Hube gives single plate, +68k/s. D: CPM. 2310 VAR: C@Greek(d) 5.59 - 6.60V, 27.0205d. Spontaneous changes in period. 2317 SB: 428.1d, asini 45.4. 2324 G: Sco-Cen assoc. 2325 G: Open cluster NGC 2232 #2. 2326 N: CANOPUS; Suhel; Suhail. S: Probable magnetic star. R: Diam. = ".0061 - ".0066. G: Sco-Cen assoc.; red star Pleiades group. 2328 D: Fixed sep. 2332 VAR: C@Greek(d) 5.02 - 5.82V, 3.72794d. Per. possibly changing. CaII emission on rising branch of light curve. Blue companion suspected. 2334 N: 77 Ori in Monoceros. 2335 N: 78 Ori in Monoceros. 2336 SB: Moderate amplitude. Secondary fainter, Am. 2339 D: Sep. 0.003". 2343 S: Shell star. SB: ADS 5103A, 9.6y. D: AA' probably combined light and color. This may be the SB pair. B, 8.5V A1V at 113", vsini 141k/s, is binary with C, 8.9v, sep. 0.2". Component P, 15.1V at 24" optical. Other components faint at 54 to 92". G: Hyades group. 2344 G: Brightest star in open cluster NGC 2232, #1. 2356 S: Shell star. VAR: Hydrogen lines var. K 30k/s. Shell line velocities do not correspond to orbital elements; may be due to gaseous ring. SB: 12.5y, K 30k/s, asini 1900. Shell oscillations. Spectrum var. 12.5y for 3.5 cycles, then ceased. D: Triple system with HR 2357 and 2358. Combined mag., color 3.74V, -0.15(B-V), all Be stars. AB, 17000y; AC, sep. 10", 29000y. Component D, 12.2v at 26" from A. 2357 S: Shell star. D: See HR 2356. 2358 D: See HR 2356. 2362 S: Also classified A0pSi. 2364 S: Shell star. VAR: Amp. 0.055b. 2366 D: AB binary. B is K0V. Component C, 11.4v at 45" optical. 2370 D: Binary. Double emission lines of which red component variable intensity. Component B, 9.09V, -0.05(B-V), -0.30(U-B), B9IVe, RV +6k/s, vsini 201k/s. G: HII region; in cluster NGC 2264, region of expanding OB assoc. in gas and dust. See note for HR 2456. 2372 VAR: EA 5.79 - 6.02v, 2.52501922d. Per. changes. Rot. line apsides per. about 40,000d. SB: 2.5250d, K 115.6k/s, V@-(0) -8.7k/s, msin@+(3)i 1.98, asini 4.01. Masses 1.92, 1.90 solar. vsini same for both components, 35k/s. 2374 G: In HII region. 2375 G: Possible Eggen group with HR 63, q.v. 2377 G: Hyades group. 2378 D: Optical. 2382 G: In field of open cluster NGC 2244 #56, the Rosette Nebula, associated with dense clouds of gas. Probable non-member. 2384 D: Quadruple system, AB 6.1 G5, 6.2, 52.9y, a = 0.484". CD = -50*2440, 9.7, 9.8v sep. 0.5" at 12" from AB, 105.6y, a = 0.535". AB, CD are CPM. DYN: AB, ".022; CD, ".020. 2385 G: Mon OB1; in reflection nebula; member assoc. Mon R1 at 1050 pc. 2387 S: Abnormally strong UV SiIV and CIV for its luminosity class. VAR: @Greek(b) C 4.33 - 4.36V, 0.2095755d, secondary variations. Effective temperature varies by 1400*K and ratio of max. to min. radius by 1.042. G: Possible member CR 121; OB1 group near @Greek(o) CMa. 2392 S: BaII star. Overabundance of praseodymium. 2393 VAR: Lb? 6.28 - 6.41V. 2397 D: Companion 8.70V, -0.08(B-V), -0.40(U-B), A0. 2401 SB: 60.0d, K 1.7k/s, V@-(0) +16.2k/s, asini 1.25. Unresolved by speckle interferometry. 2404 D: Fixed sep. 2405 S: Infrared spectra show CO, CN and C@-(2) molecules. VAR: SRb 8.2 - 10.0p, 235?d. Mean mag. varies in per. about 3500d. 2408 SB: Small amp. Sharp lines. Secondary fainter. 2410 SB: 2.9723d, K 119k/s, V@-(0) +34k/s, asini 4.84. G: Member of the local association (Pleiades group); Sco-Cen assoc. 2412 VAR: H@Greek(a) emission var. 2413 G: Member cluster Collinder 107, a cluster possibly assoc. with a stellar ring. 2414 G: Sco-Cen assoc. 2418 S: Shell star. 2419 G: Hyades group. 2421 N: ALHENA. C: Color excess E(B-V) = +0.03. SB: 12.4y. Unresolved by speckle interferometry. RV also var. 0.13d. D: A* 1.93 A0IV, 12.9y. R: Diam. = ".00132 - ".00139. 2422 N: Plaskett's star. S: Shell star. VAR: Polarization variable. SB: 14.3961d, K 205.2k/s, V@-(0) +24.9k/s, asini 40.6. Masses each about 55 solar. The secondary is underluminous for its mass and may be smaller than the primary. vsini secondary, 130:k/s. P: Intrinsic polarization, probably due to circumstellar matter. G: Mon OB2; in HII reg.; a SN remnant, D14. Near NGC 2264 in region of expanding OB assoc. in gas and dust. See note for HR 2456. Embedded in 21 cm emission. M: Probably star of largest known mass for primary and secondary components, each about 50 solar masses. 2423 D: CPM. Companion 7.65V, +0.32(B-V), +0.02(U-B), F2V. 2424 D: AB binary. C, 11.5v at 21". 2425 S: Spectra show Hg 4077; Eu, Cr enhanced. Overabundant elements are V by factor of 300; Sr by 1500; Y by 100 and rare earths by hundreds of thousands. D: Discovered by both occultation and speckle interferometry. Sep. 0.075". 2431 D: 6.9 G0V, 7.3 G1V, 29.0y, a = 0.295". Combined mag., color. DYN: ".028. 2432 G: Mon OB2; near NGC 2264 in region of expanding OB assoc. in gas and dust. See note for HR 2456. At edge of Monoceros loop, a supernova remnant possibly associated with HR 2432. 2433 RV: Hube single plate, -95k/s. 2441 G: Near NGC 2264 in region of expanding OB assoc. in gas and dust. See note for HR 2456. 2442 S: Luminosity class variously given as I, II or III. VAR: @Greek(b) C? 6.2 - 6.25V, 7.5 hrs., possibly longest period @Greek(b) C type. RV: 7.5 hrs. G: Mon OB1; exciting star of HII region S282 within 0.5*; 21 cm emission. 2443 G: UMa stream. 2447 G: @Greek(s) Pup group. 2450 G: Red star Pleiades group. 2451 G: Member of Pleiades group. 2456 C: Color excess E(B-V) = +0.07. VAR: ADS 5322A, Ia? 4.62 - 4.67V. D: AB binary, 4.8 Oe5, 7.6B7; C, 9.9v B8V at 17", physical, vsini 141k/s; D, 9.7v A6III at 41", physical, vsini 115k/s; E1, the brighter component of E, B5V at 74", probably optical, vsini 253k/s; E2, A0V, vsini 132k/s. G: In cluster NGC 2264 #131; HII reg. S273; Mon OB1; T-Tauri assoc., Mon T1. The cluster appears to be the nucleus of the association. In region of neutral hydrogen. Ionized Mon OB1 region probably excited by S Mon. The electron density of the HII region increases toward the center of the cluster. (Note that OB associations MonI = IIMon = Mon OB1 and MonII = IMon = OB2. In conversions from the earlier designations to OB1 and OB2 these groups have occasionally been interchanged; however, they may be related.) 2462 N: Becvar calls this Y Pup; Lacaille called it V Pup, but it is neither of the variables now known as either V or Y. VAR: 5.58 - 5.62p. D: Binary. Companion A0. 2467 D: Some spectral lines appear double, indicating separation of about 110k/s and vsini of 90 and 75k/s. G: Mon OB2; 21 cm emission; in HII region D14; in a SN remnant; near NGC 2264 in region of expanding OB assoc. in gas and dust. See HR 2456. 2468 D: CPM. 2469 G: Wolf 630 group. 2470 D: AB 5.37 A2n, 5.95 A2V, 699.0y, a = 1.660"; vsini of B, 100k/s. C, 7.1v at 8", physical. DYN: ".011. 2472 VAR: Na 4.8 - 16.5v. 2473 N: Mebsuta; Melucta; Meboula. S: Strong He 10830 emission and absorption. D: Companion 9.22V, +1.13(B-V), +0.91(U-B), K0III-IV. R: Occult. diam. = ".0018 - ".0056. G: Red star Pleiades group. 2478 D: Optical. 2479 G: Mon OB2. 2481 D: CPM. 2483 D: Companion orange, optical. 2484 N: Alzirr. VAR: @Greek(d) Sct? 2485 D: CPM with 2486. Hardly any change in 110y. 2486 D: See HR 2485. Color for combined light. Mag. for blended images 5.52V. 2491 N: SIRIUS; Canicula; Dog Star; Aschere. C: Color excess E(B-V) = -0.03. S: Cadmium discovered in spectra from COPERNICUS. Iron overabundant by a factor of 5 in comparison with sun and titanium by a factor of 2. Possibility that the atmosphere of Sirius A polluted by material ejected from Sirius B. Weak magnetic field. Barium abundance greater than solar abundance by about 1.76. SB: 50.04y D, K 2.4k/s, V@-(0) -7.6k/s, asini 487. D: AB -1.46 A1V, 8.49 A1V, 50.090y, a = 7.500". D, 14.0v at 32" from A. C, companion to B at 1.4" suspected but not confirmed. B is first white dwarf ever discovered; predicted by Bessel (1844) on basis of orbital motion of Sirius, it was first seen by Alvan Clark in 1862, and its peculiar high temperature, small size and great density established by W. Adams in 1925. DYN: ".376. R: Diam. = ".00560 - ".00589. G: Sirius group; UMa stream; Sco-Cen assoc. M: Soft X-rays observed from astronomical Netherlands satellite. Sirius B not unusual compared with other dA white dwarfs. Effective temperature about 32000*K. 2492 VAR: @Greek(g) C 5.25 - 5.44V. 2494 G: In HII region; near NGC 2264 in region of expanding OB assoc. in gas and dust. See note for HR 2456. 2496 G: Cluster NGC 2281. 2497 G: Sco-Cen assoc. 2499 D: 6.81 A1V, 7.01 A2V, 1057.8y, a = 1.536". Combined mag., colors. DYN: ".007. 2501 S: H@Greek(a) emission. VAR: @Greek(b) C amp. 0.126. 2502 G: Sco-Cen assoc. 2507 S: Weak double emission in H@Greek(b), H@Greek(g), H@Greek(d). 2508 VAR: Amp. 0.06V. 2509 S: He weak. G: In open cluster NGC 2287 #109; Sco-Cen assoc. 2510 G: Sco-Cen assoc. 2512 VAR: SRd 6.6 - 7.3p, about 47d. 2516 G: 61 Cyg group. 2519 S: Helium weak. 2520 D: AB 5.7 G4III comp., 6.9 A2, 480y, a = 0.736". Combined mag. and color. C and D 6.3 and 6.2 pv fainter than AB. DYN: ".006. 2521 G: Sco-Cen assoc. 2526 VAR: 7.1 - 7.28B. 2527 G: Wolf 630 group. 2528 D: AB binary. 2529 D: Optical. G: Hyades group. 2530 D: CPM. 2533 R: Occult. diam. = ".0028 - ".0043. 2534 VAR: @Greek(a) CV 6.16 - 6.31V, 2.976d. Magnetic field and rotation same per. Sr var. 2537 VAR: 7.01 - 7.06?V. Radial velocity possibly variable from +22 to +44k/s. 2538 S: H@Greek(a) emission; typical shell-spectrum. VAR: 3.7 - 3.85B. 2539 VAR: @Greek(d) Sct 6.5 - 6.53B, 0.136d. D: AB fixed. M: Space motion almost identical to that of the sun. 2541 N: Sometimes this star, sometimes HR 2547 have been called @Greek(v)@+(8) Aur. To avoid future confusion this designation is abandoned for both. 2545 VAR: H@Greek(a) emission variable. RV: Comp. B, RV var. D: AB binary. B discordantly classified B9V: or A6:, vsini 158k/s. 2546 VAR: 6.52 - 6.57V. 2547 N: See note for HR 2541. S: Hg, Mn. 2548 N: Called X Pup by Lacaille but is not the var. now known as X. 2553 SB: 1066.0d, K 4.1k/s, V@-(0) +36.4k/s, asini 59.9. 2554 SB: 195.26d, K 24.9k/s, V@-(0) +25.5k/s, asini 66.9. 2556 G: Hyades group. 2557 VAR: @Greek(d) Sct 6.037 - 6.054y. About 4 hrs. One of most luminous @Greek(d) Sct stars: abs. mag. about 0.0V. 2559 G: Sco-Cen assoc. 2560 D: AB binary. C, 13v at 29" optical. D, 9.5 at 207". 2564 SB: ADS 5559A. RV: ADS 5559B, 23k/s. D: AB 4.8 A9Vp, 7.6 G6V, 1943.8y, a = 8.194". Combined mag., colors. DYN: ".029. 2567 VAR: Amp. 0.22V. 2568 S: Shell star. VAR: Emission var. about 16 yrs. 2571 N: Old sources call this @Greek(p)@+(1) CMa, HR 2558 @Greek(p)@+(2) and HR 2590 @Greek(p)@+(3). Superscripts no longer retained. VAR: @Greek(b) C 4.60 - 4.63B, 0.184557 and 0.19296d, beat per. about 2d. RV: 0.184558d. G: Probable member Collinder 121; OB group near @Greek(o) CMa. 2572 G: Possible Eggen group with HR 63, q.v. 2574 G: 61 Cyg group. 2576 G: Arcturus group. 2578 G: Non-member near Collinder 121. 2580 VAR: Lc 3.78 - 3.99V. G: Sco-Cen assoc.; member OB group near @Greek(o) CMa; in cluster Collinder 121. 2583 S: One of only four WR stars bright enough to have been observed spectroscopically in UV by COPERNICUS. Reminiscent of spectra of nova-like variables during an outburst, which is typical of close binaries. Circumstellar matter. Helium rich. HII ring. Shell surrounding the star is estimated to be three solar masses. VAR: E? 6.77 - 6.95V, 1.01d, possibly irregular. HeII 4686 var. about 13d; profiles var. in minutes. Suspected SN remnant. RV: Var. by 300k/s in less than 1d. Suspected binary. Interstellar lines RV + 36k/s. G: In HII region; member OB group near @Greek(o) CMa; in cluster Collinder 121. The central star of a ring nebula. 2585 G: Sirius group; UMa stream. 2588 N: See HR 2571. D: Component B is 9.3v K5 at 44"; D, 9.5 at 130". 2590 N: See HR 2571. D: CPM. 2591 VAR: Lb 6.25 - 6.37V. 2592 SB: Small RV amp., nearly equal components. 2593 D: AB fixed. 2595 G: Member OB group near @Greek(o) CMa; Collinder 121. M: Old disk population runaway star. 2596 VAR: 4.37 - 4.39v. About 2 hrs. G: Sirius group? Member of the local association (Pleiades group); possible member Collinder 121. 2598 SB: Large amp., moderate rotation. Secondary fainter and later Sp. 2602 G: Member of the local association (Pleiades group). 2603 S: Very sharp lines. Previously classified B8, B2IV-V. VAR: @Greek(b) C amp. 0.015V, about 4.5 hrs. 2605 S: Spectra show Hg, Mn. Helium weak. D: Sep. 0.040". 2609 VAR: 6.54 - 6.64p. 2612 D: 6.9 F8IV-V, 7.1 F8IV-V, 16.74y, a = 0.218". Combined mag., colors. 2614 G: Sco-Cen assoc. 2618 N: ADARA; ADHARA. C: Color excess E(B-V) = +0.02. S: Lyman @Greek(a) observed from COPERNICUS. D: Fixed sep. R: Diam. = ".00077 - ".00080. G: Member of Pleiades group. 2620 D: AC, @Greek(D)m 6.1v, sep. 32"; AD, @Greek(D)m 6.1v, sep. 60"; AE, @Greek(D)m 6.4v, sep. 50". 2624 G: Sco-Cen assoc. 2626 SB: Small RV amp. Secondary fainter. G: NGC 129. 2627 G: CMa OB1. 2628 VAR: @Greek(g) C 6.48 - 6.60V. 2630 S: Barium star. VAR: Pulsating, amp. 0.086V, 0.7282d. 2631 VAR: Lb? 5.89 - 6.02V. D: Sep. 0.020". 2633 M: Old disk population runaway star. 2643 S: Also classified F8V, G2V and G8IV. 2644 RV: ADS 5746B, +15k/s. D: AB binary. G: Hyades group. 2646 S: Ultraviolet FeII emission. VAR: Lc 3.43 - 3.49V. G: Probable member OB group near @Greek(o) CMa; Collinder 121. 2648 S: H@Greek(a) emission. VAR: @Greek(b) C, amp. 0.04V, about 4.2 hrs. RV: Rotation Vsini 336k/s. 2650 N: Mekbuda. VAR: ADS 5742A, C@Greek(d) 3.66 - 4.16V, 10.15082d. Period decreasing 3.1s/y. RV: Same period. D: Component A is occultation double. B, 10.5v at 87". C, +20*1686, 7.55V, +0.62(B-V), +0.07(U-B), G1V at 96" has high proper motion, ".100, optical, vsini : 54k/s. Other components fainter. 2652 VAR: Amp. 0.08V. 2653 C: Color excess E(B-V) = +0.03. VAR: H@Greek(a) profile changes in 30 min. or less. RV: Balmer lines suggest mass-loss 10@+(-8) solar/year. G: Probable member OB group near @Greek(o) CMa; Collinder 121. 2656 S: H@Greek(a) emission. 2657 N: Muliphen; Muliphein; Isis; Mirza. G: Sco-Cen assoc. Member of Pleiades group. 2661 VAR: Amp. 0.53:V. 2662 G: 61 Cyg group. 2666 S: K/m indicate A3/F2 respectively. VAR: 5.16 - 5.32V. G: Hyades moving group. 2667 D: CPM with HR 2668 and third component, 9.2v K2 at 200". 2668 D: See HR 2667. 2669 RV: Recent determination vsini, 350k/s. 2670 VAR: ADS 5782A, @Greek(b) C 6.42 - 6.53V, 0.267d? Other indications from 4 to 10.4 hrs. G: Exciting star of HII region S296. Doubtful if member of CMa OB1. 2671 S: Technetium found in spectrum. VAR: M 6.0 - 14.0v, 369.81d. R: Occult. diam. = ".0037 - ".0049. 2672 G: Hyades group. 2677 D: AB binary. CPM with C, 10.0v at 37". 2678 VAR: @Greek(b) C 5.36 - 5.39V, 0.12377d? D: Component C, 9v at 18" probably optical. G: Exciting star of HII region S296; CMa OB1; reflection nebula; member assoc. CMa R1 at 690 pc. 2679 G: In HII region; less than 0.5* from S296 and S297; member assoc. CMa OB1-R1. 2683 S: Magnetic field. 2684 D: AB optical. G: Wolf 630 group. 2688 VAR: Amp. 0.04b? M: This star and HR 938 form a pair with opposite motion. See HR 938. 2690 VAR: @Greek(g) C 5.64 - 5.92V. G: Sco-Cen assoc. 2691 S: Also classified B9e. VAR: Amp. 0.02V, 0.04U. Var. H@Greek(a) emission. 2692 G: Runaway star from CMa OB1. 2693 N: Wezen; Alwazn; Wesen; Al Wazor. R: Diam. = ".00329 - ".00360. G: Sco-Cen assoc.; member OB group near @Greek(o) CMa; Collinder 121. 2694 G: Exciting star of HII region S296; member assoc. CMa OB1-R1. M: Possibly the center of SN explosion 0.8 million years ago. 2695 G: Possible member Collinder 121. 2697 VAR: 4.3 - 4.36V. D: AB CPM. 2700 G: Hyades group. 2703 VAR: Amp. 0.14V. V-R varies by 0.08m. 2704 VAR: Amp. 0.04b? 2707 VAR: @Greek(d) Sct 5.43 - 5.50V, 0.0999081 and 0.07500d, var. amp., beat per. 0.30083d. Sp. var. 2711 VAR: @Greek(d) Sct? Difference between components B-A varies. D: AB 7.18 F8V, 7.23 F8V, 116.50y, a = 0.929". Combined mag., colors. C, 12.5v at 16" optical. DYN: ".032. 2716 G: Sco-Cen assoc. 2717 S: Also classified K3V but this is not consistent with type of light variability. VAR: SRb 6.63 - 7.01B, about 50d. G: Wolf 630 group. 2718 VAR: Amp. 0.037V, 2.68d or double. Could be SB with double period. 2719 G: 61 Cyg group. 2720 G: Foreground star in region of Collinder 132. 2725 D: Optical. 2726 VAR: The fainter component of the double is the variable suspect, 7.5v. 2727 S: Strong Ap star. VAR: Magnetic field var. 36.5d. SB: 46.314d, K 48.5k/s, V@-(0) -4.4k/s, asini 30.6. 2733 D: Companion 9.07V, +0.77(B-V), +0.35(U-B), G1III. 2734 VAR: @Greek(b) C amp. 0.02V, 11.4 hrs? RV: Same period. 2735 VAR: Combined light with HR 2736 varies, but this is probably the variable. D: Binary with HR 2736. 2736 D: Binary with HR 2735. Color for combined light. Combined mag. 3.62V. 2739 G: CMa OB1; NGC 2353 #1; exciting star of HII region S296. NGC 2353, a cluster in which no appreciable amounts of neutral or ionized hydrogen have been detected. 2741 VAR: @Greek(b) C 6.56 - 6.61V. SB: Possibly SB with ellipsoidal components, one of which is @Greek(b) C type var. G: Member Collinder 132a at 560 pc. 2742 VAR: SR 6.40 - 6.70p, 23.7d. G: Hyades group. 2743 G: Member Collinder 132a at 560 pc. 2745 S: Shell star. VAR: 4.3 - 4.65V. SB: 0.261975d. D: 31?y. Sep. 0.098". 2746 VAR: 0.90d, 0.025y. 2747 VAR: Amp. 0.05V. 2748 C: IR source. S: SiO maser. VAR: Primary of vis. double, SRb 2.6 - 6.2v, 140.42d. 2749 VAR: @Greek(g) C 3.60 - 4.18V, cycles 20 - 22 hrs. Var. H@Greek(b) emission. RV: +22 to -10k/s change in 0.2d. Expanding circumstellar shell. Pole-on. 2753 G: In Ursa cluster? 2756 G: Could be member of either Collinder 132a or 132b on basis of magnitude and CI. Other data indicate foreground star. 2761 VAR: Amp. 0.04y, 2.24d or 1.72d. 2763 VAR: @Greek(d) Sct? D: ADS 5961A is occultation double, sep. 0.045". B, 10.7v at 10" is CPM. R: Radius relative to sun = 1.7. G: UMa stream; Sirius group? 2764 D: B, 6.01V, +0.49(B-V), dF0, optical. G: In @Greek(o) CMa group? 2768 D: CPM. G: In region of Collinder 132, probably a foreground star. 2769 RV: Published values range fron -3 to +45k/s. 2770 G: Ori OB1. 2773 G: Sco-Cen assoc.; in cluster Collinder 135 but too bright to be member. 2774 G: Sco-Cen assoc. M: Old disk population runaway star. 2777 N: Wasat; Wesat. S: Variously classified A9III, F0IV, F2IV. SB: ADS 5983A, 2238.6d, K 27.1k/s, V@-(0) +4.1k/s, asini 781. SB character has, however, been questioned by occultation data. Unresolved by speckle interferometry. D: AB 3.55 F0IV, 8.18 K3V, 1200y, a = 6.975". Component A is occultation double. DYN: ".039. 2781 C: Color excess E(B-V) = +0.18. S: Weak CIV for its luminosity class, Ia. Variously classified O7Ia, O7f, O8.5If. VAR: EB 4.5 - 4.8p, amp. 0.45V, 4.39341d. Sp. lines vary within about 1 hr. Variable polarization. SB: 4.3934d, K 222.5k/s, V@-(0) +13.5k/s, asini 13.4. Nearly equal components. Mass loss from primary; asymmetrically expanding atmosphere. G: In HII reg. S310; probable runaway star; in cluster NGC 2362. 2782 C: Color excess E(B-V) = +0.15. VAR: 3.90 - 3.96p. Possibly same period as SB. SB: ADS 5977A, 154.90d, K 49.5k/s, V@-(0) +43k/s, asini 101. D: B, 10v at 8" fixed. D, 8.22V, -0.19(B-V), -0.93(U-B), B2V at 85". G: In cluster NGC 2362 #23; in HII reg. S310. Although a neutral hydrogen cloud about 0*.5 in diameter is in the region, it is at a much greater distance and not associated with the cluster. 2783 D: Binary with HR 2784. Component C, 10.9v at 74". 2784 SB: ADS 6012A, 2.2596d, K 106.4k/s, V@-(0) +4.2k/s, msin@+(3)i 4.32, asini 3.30. D: Binary with HR 2783. Component D, 8.9v A0V at 215". 2786 C: Color excess E(B-V) = +0.26. G: Probable member OB group near @Greek(o) CMa. 2787 S: Shell star. VAR: Amp. 0.18V. 2788 VAR: EA 5.70 - 6.34V, 1.13593876d. Per. changes, possibly sinusoidally. i 77*. SB: 1.1359d, K 31.5k/s, V@-(0) -42.5k/s, asini 0.492. Probable large scale mass exchange. Secondary is K3IV-V. 2790 VAR: @Greek(b) C amp. 0.02V. 3 hour period not confirmed. Ell. Amp. 0.045V, 1d. 2793 D: AB CPM. C, 12.7v at 42" optical. 2795 D: B optical. 2799 VAR: Amp. 0.035b. M: Old disk population runaway star. 2800 VAR: E? Amp. 0.14b. G: Sco-Cen assoc. 2803 G: Sco-Cen assoc. 2806 G: CMa OB1; in HII reg. Ma 118. 2811 VAR: @Greek(d) Sct? 2813 D: Binary with HR 2814. 2814 S: Sharp central CaII H and K emission. D: Binary with HR 2813. 2817 VAR: Amp. about 0.5v. Probably short period. Hydrogen emission also var. 2818 G: Hyades group. 2819 S: Shell star. H@Greek(a) emission. Also classified B4Vnp but this inconsistent with UBV cluster photometry. G: Member open cluster Collinder 140. 2821 N: Propus, a name more commonly applied to HR 2216. 2823 S: Also classified B2V, inconsistent with cluster photometry. SB: Nearly equal components. 2825 VAR: @Greek(g) C 5.00 - 5.30V. Emission lines vary in period of about one month or less. RV: 31.9045d. Pole-on. 2827 N: Aludra. C: Color excess E(B-V) = +0.02. S: Circumstellar shell. D: Companion is A0V, optical, vsini : 54k/s. R: Diam. = ".00072 - ".00075. G: Probable member OB group near @Greek(o) CMa; member Collinder 121. 2828 S: Barium star. G: UMa stream. 2834 VAR: Comp. A of double. Amp. 0.1V. G: Definite member Collinder 140. M: Red giant of about 9 solar masses. 2838 SB: Small RV amp. Components equal Sp. but different rotations. 2840 G: Member of the local association (Pleiades group). 2842 D: Combined mag. with HR 2843, 6.16V. 2843 D: See HR 2842. 2844 S: Large manganese excess. RV: Period about 2800d? D: AB binary: B, 10.1v sep. 1"; C CPM. 2845 N: Gomeisa; Algomeyla; Gomelza. S: Rotationally unstable Be shell star. VAR: Ia?, 0.09:d, 0.14V. 2846 SB: ADS 6089A, F3, F5, 1.9327d, K 96.2k/s, V@-(0) +22.5k/s, msin@+(3)i 1.05, asini 2.56. D: A is occultation triple, 5.9, 6.4v sep. 0.001" and 7.5v at 0.047". visual companions B, 9.5v at 43" CPM; C, 10.5v at 146". 2847 G: Brightest main sequence member of open cluster Collinder 140. 2849 D: Optical? 2851 D: CPM. G: Possible Pleiades group. 2852 D: B, 12.5v at 3" CPM. 2854 SB: 389.0d, K 18.6k/s, V@-(0) +46.8k/s, asini 94.6. Unresolved by speckle interferometry. 2855 S: Shell star. VAR: @Greek(g) C 5.55 - 5.69V. 2857 G: Hyades group. 2859 D: ABC fixed. B, 8.1B; C, 8.6 B8V or B9p Hg Mn: at 20". Mag., color for combined light. 2861 SB: Both components vsini < 17k/s. 2868 D: AB 6.4 F4V, 7.5, 1090.9y, a = 3.684". C, 11.5v M0 at 21" orbital period around AB probably over 10000y. Component D, 12v at 42" optical? 2870 D: Colors for combined HR 2870-1. Mag. blended image, 5.95V. 2874 G: Sco-Cen assoc. 2878 SB: Primary of visual double, 257.8d, K 18.6k/s, V@-(0) +87.3k/s, asini 65.0. D: CPM. Companion G5V. G: @Greek(s) Pup group. 2879 D: CPM. Companion F8V. 2883 D: CPM? 2889 VAR: Ell amp. 0.051u, 0.03v, b, y. 0.6711d. Sp. period revolution about 1.4d. 2890 S: K-line indicates A1, metallic lines A5. SB: ADS 6175B, 2.9283d, K 31.9k/s, V@-(0) -1.2k/s, asini 1.28. D: Binary with HR 2891. Combined mag., colors. DYN: ".052. 2891 N: CASTOR; Apollo. VAR: ADS 6175C at 73" from A, EA 9.27 - 9.77V, 0.81428254d = also SB period. Masses each component 0.64 solar. Both components flare stars. SB: ADS 6175A, 9.2128d, K 12.9k/s, V@-(0) +5.2k/s, asini 1.42. ADS 6175C, 0.8143d, K 120k/s, V@-(0) +0.9k/s, asini 1.34. Two spectra. D: AB 1.94 A1V, 2.92 A5Vm, 420.07y, a = 6.295". C, 8.8v M1Ve at 73" is physical member of sextuple system in which A,B,C are all SB. DYN: ".052. 2896 D: AB binary. 2897 G: NGC 2422. 2899 G: Wolf 630 group. 2902 VAR: VV Cep type or symbiotic, 4.88 - 5.17V. Var. shell spectrum. SB: 9752d, K 17.1k/s, V@-(0) +34.4k/s, asini 2040. Unresolved by speckle interferometry. SKYLAB indicates cool star with hot companion. Tenuous gas enveloping both stars. G: NGC 2422 #9. M: Rapidly evolving shell. 2904 VAR: @Greek(d) Sct? 6.5 - 6.55V. 2905 S: Ultraviolet FeII emission. G: Wolf 630 group. 2906 G: @Greek(z) Her group. 2909 D: Binary with HR 2910. Colors for combined light. Magnitude of blended images 5.09V. 2910 D: See HR 2909. 2911 S: Shell star. VAR: 5.5 - 5.60B. 2921 D: AB fixed; B, 12.2v at 5". C, 9.71V, +0.03(B-V), -0.23(U-B), B9.5V. G: In cluster NGC 2422 #45. 2927 D: AB, CPM. B, 13.2v at 26". G: Hyades group. 2928 VAR: Amp. 0.01B, 0.16121d. 2932 S: Shell star. G: NGC 2422 #125. 2934 VAR: Amp. 0.02V. 2937 D: Triple system, components all about same mag. and within about 1". 2938 D: Sep. 0.03". R: Occult. diam. = ".00278. 2943 N: PROCYON; Elgomaisa; Algomeysa; Antecanis. S: Chromospheric He 10830 narrower than in later-type stars. VAR: @Greek(d) Sct? SB: 40.65y D, K 1.7k/s, V@-(0) -4.1k/s, asini 324. D: AB .35 F5IV-V, 10.3, 40.65y, a = 4.548". Binary nature first revealed by variable proper motion in 1840; companion first seen in 1896. Component C, 11.7v at 122" optical. DYN: ".277. R: Diam. = ".00510 - ".00550. 2944 N: m Pup. Originally called @Greek(p) in Bayer and Argelander. Called m in Lacaille (1763) and Baily. Another star HR 2773, also called @Greek(p) in Argelander, is the currently accepted star of this designation. VAR: EW amp. 0.06V, 2.57895d. D: Unresolved by speckle interferometry. 2945 G: Region of NGC 2451. 2948 N: Markab; Markeb. Sometimes called @Greek(k) or @Greek(k)@+(1), sometimes k, k@+(1) or k@+(3) Pup. However HR 2873 and 2881 have also been variously designated as k, k@+(1), k@+(2) or k@+(3) Pup. D: Binary with HR 2949 at 10". C, 13.8v at 6" optical. Colors for combined light AB. Combined mag. 3.82V. 2949 N: Frequently designated as k@+(2) Pup, or @Greek(k)@+(2). D: See HR 2948. 2950 D: AB binary. 2951 G: Probable Hyades group. 2954 N: Called e in Lacaille, BAC. However, Bayer and Argelander called HR 3102 e; 3102 later changed to j Pup. 2955 G: Region of NGC 2451. 2957 VAR: C@Greek(d) 5.54 - 5.76V, 5.6952d. 2960 D: Optical. 2961 G: NGC 2451 #175; probable member. 2962 SB: 31.50d, K 45.2k/s, V@-(0) -12.1k/s, msin@+(3)i 1.53, asini 19.1. 2963 G: NGC 2451 #182; probable member. 2964 G: NGC 2451 #184. 2967 VAR: Amp. 0.10P. G: UMa stream. 2968 G: NGC 2451 #187. 2970 N: In early catalogues called @Greek(g) Mon; HR 2227 now called @Greek(g), was @Greek(a) in BAC and numerous older catalogues. 2973 VAR: Amp. 0.12V, 19.603d. SB: 19.605d, K 34.2k/s, V@-(0) +45.8k/s, asini 9.22. Possible radio binary. G: @Greek(h) Cep group. 2974 VAR: SRd? 6.56 - 6.64V, over 27d. Discovered by Gould 1879, variability questioned. Now confirmed by PEP observations, amp. 0.19U, larger in V. G: Probable member and brightest star in open cluster NGC 2439; possible member of Pup OB1. 2977 VAR: @Greek(a) CV 6.43 - 6.48V, 4.285d. Magnetic field same period. 2979 D: Binary with HR 2980. Colors for combined light. Blended mag. 6.34V. 2980 D: See HR 2979. 2981 G: NGC 2451 #203. 2989 VAR: @Greek(d) Sct 6.43 - 6.50V, 0.09526d. 2990 N: POLLUX; Hercules. S: Emission line discovered by COPERNICUS at 1218.4 may be OV probably formed in a corona. Balloon-borne spectrometer revealed pronounced emission of MgII. D: All the visual companions optical. 2996 N: Called @Greek(t) in Argelander, Bayer, HP 1462, (but now @Greek(t) is HR 2553). HR 2996 called l in HR 50 and Lacaille 1763. C: Infrared color excess. Color excess E(B-V) = +0.13. SB: 137.767d, K 3.6k/s, V@-(0) +25.4k/s, asini 6.53. 3001 G: NGC 2451 #233. 3002 N: Called W by Lacaille (1763), but it is not the variable now named W Pup. 3003 G: 61 Cyg group. 3004 VAR: Amp. 0.07b? G: Sco-Cen assoc. 3009 VAR: E, amp. 0.41y, 1.660d. Equal components. D: Binary with HR 3010. 3010 D: Binary with HR 3009. 3011 G: NGC 2451 #246. 3013 D: C optical. Some disagreement as to which of B and C is the brighter. 3016 G: NGC 2451 #251. 3017 N: Called c Pup in Argelander, Norton and most modern catalogues, this was originally called b Pup by Lacaille (1763). G: NGC 2451 #254. 3018 S: Metal deficient. 3022 VAR: H@Greek(a) emission var. G: NGC 2451 #267. 3023 VAR: Amp. 0.03b. 3025 G: Member of the local association (Pleiades group). 3026 VAR: Amp. 0.2V. 3027 VAR: Amp. 0.18V. 3029 D: Binary. Companion dG3. 3030 G: @Greek(g) Leo group. 3032 VAR: 2.41d, 0.06V. G: Region of NGC 2451. 3034 VAR: SR? Amp. about 0.02V. 3035 G: NGC 2451 #283. 3041 VAR: Cst 6.14V. 3045 N: Azmidiske; Asmidiske, a name more properly applied to HR 3699 according to Allen. 3049 VAR: Amp. 0.5p. SB: Large amp. Secondary fainter and later Sp. 3050 D: Binary. G: @Greek(g) Leo group. 3055 D: Companion K0. 3058 VAR: @Greek(b)C, amp. 0.015u, 0.1182d. 3059 S: Strontium star. 3061 S: Probable halo star. VAR: SRb 6.14 - 6.42V, about 35d. 3064 SB: 8467d, K 4k/s, V@-(0) -21.2k/s, asini 337. D: 5.6 F9V, 6.2 G4V, 23.18y, a = 0.58". Combined mag., colors. Masses 0.86 and 0.99 solar. DYN: ".057. G: UMa stream. 3068 G: Probable Hyades group. 3070 D: Optical. 3072 D: 6.4 F2, 6.7, 30.8y, a = 0.295". 3078 VAR: @Greek(b)C, Amp. 0.03b, 0.040u with large modulation. Primary period 0.1927d with secondary 0.1680 or 0.2019d. RV: Amp. about 10k/s, probably same period as light variation. G: Member of the local association (Pleiades group). 3079 D: Binary. G: Hyades group? 3080 SB: 2660d, K 11.8k/s, V@-(0) +24.0k/s, asini 396. SKYLAB UV spectra indicate cool star with hot subdwarf or white dwarf companion. 3082 S: Magnetic star. 3084 N: Called b Pup in Argelander and most modern catalogues. Was originally called a Pup by Lacaille (1763). VAR: @Greek(b) C? Amp. 0.07y. G: Near open cluster NGC 2477. 3088 VAR: @Greek(b) C Amp. 0.03b, primary period 0.1154d with secondary either 0.1168 or 0.1323d. 3089 S: Helium-rich star, nitrogen enhanced. VAR: HeI 4026 varies, 1.3295d. M: Located just inside 3U0750-49 error-box. 3090 N: Early catalogues (Lacaille 1763) called this star R but it is not the var. now named R Pup. Re-named J Pup. S: Unusually large line-broadening for luminosity Ib. 3091 G: Member of the local association (Pleiades group). 3094 R: Occult. diam. = ".0021. 3098 D: 7.0 F5V, 7.1 F7V, 57.04y, a = 0.44". Combined mag., colors. DYN: ".023. 3099 VAR: Amp. 0.42V. 3102 N: See HR 2954. 3103 VAR: 6.4 - 6.58V. SB: vsini both components, 59k/s. 3105 G: Hyades group. 3109 VAR: @Greek(a) CV 5.95 - 6.08V, 8.015d. 1.14d also possible. Length of period varies in cycles 1.8 yrs. Magnetic and spectrum variable 8.0269d; also rotation period. RV: 1.14229d, 8d, and order of years. Possibly binary. 3113 N: Called @Greek(x) Argo by Argelander. Not named in Lacaille or BAC. Position agrees with @Greek(x) in Bayer (Puppis area). G: Pleiades group. 3116 VAR: Amp. 0.03b? 3117 S: SiII strong for the spectral type. VAR: Amp. 0.015V, 2.4 hrs. G: Sco-Cen assoc. 3119 N: 54 Cam in Lynx. SB: 11.0764d, K 60.7k/s, V@-(0) +24.8k/s, msin@+(3)i 1.05, asini 9.19. Components differ by 0.4m. Close radio binary. 3120 G: NGC 2516 #119; Pleiades group. 3123 S: BaII star. 3126 C: Strong IR excess probably due to carbon-rich material. S: Emission feature at 10 and 20@Greek(m) attributed to silicate grains in circumstellar shell. VAR: 6.2 - 7.10V. IR observations of red giant in reflection nebula suggests star is losing mass and becoming a planetary nebula. Circumstellar reflection nebula probably related to a hotter companion. G: In reflection neb. IC 2220; in region of open cluster NGC 2516. 3129 S: Also classified B2II-III(n). Possible X-ray source 3U0750-49. VAR: Comp. A of visual double, EB 4.74 - 5.25p, 1.4544877d, contact binary, equal components. SB: Component A of visual system, 1.4545d. Relative vel. 610k. Probably consists of two ellipsoids in nearly circular orbit inclined 75*. Matter appears to stream from secondary to primary. G: Member of Pleiades group. 3131 G: Sirius group; UMa stream. Possible Eggen group with HR 63, q.v. 3135 S: Shell star. G: Group around @Greek(z) Mon. 3138 G: NGC 2516 #124. 3139 S: Sr-Cr star. 3141 VAR: Amp. 0.02V, 0.025B, 0.030U, 5d and/or 5 hrs. 3142 D: CPM with HR 3143. 3143 D: CPM with HR 3142. 3144 VAR: Amp. 0.03B pulsating. 3147 VAR: Amp. 0.1V, period few days. Var. H@Greek(a) emission. G: In cluster NGC 2516 #134. 3151 VAR: Amp. 0.04v, 6.82d. 3152 G: NGC 2516 #136. 3153 G: NGC 2516 #110; Pleiades group. 3155 VAR: Amp. 0.07(U-B). 3157 VAR: Amp. 0.15V. SB: Comp. A of visual double. D: Companion B8. 3159 G: Sco-Cen assoc. 3162 D: Fixed sep. G: Member of Pleiades group. 3164 RV: ADS 6569B, -15k/s. D: Binary. Combined light and colors. 3165 N: Naos; Suhail Hadar. C: Color excess E(B-V) = +0.04. VAR: Change in H@Greek(a) emission profile between 1974 and 1976 interpreted as change in rate of mass-loss. R: Diam. = ".00041 - ".00042. G: In cluster CR 173; in HII region. M: With HR 3207, appears capable of producing most of the observed ionization of Gum Neb. 3166 S: Possible BaII star. 3167 SB: 18.722d, K 64.6k/s, V@-(0) +8.3k/s, msin@+(3)i 2.46, asini 16.4. 3169 VAR: Lb 5.97 - 6.04V. 3170 VAR: Lc? 5.2 - 5.44V. 3174 D: B is A0. BC double 8.6, 13.0 sep. 1". 3177 D: Component B, 8.66V, -0.09(B-V), -0.52(U-B), B9IV. 3182 N: Formerly called 55 Cam, in UMa. S: Possible BaII star. 3183 D: Companion not confirmed. 3185 N: Called @Greek(i) Pup in Argelander's atlas, and in Bayer. S: High Fe abundance. VAR: @Greek(d) Sct 2.68 - 2.78v, 0.14088143d. SB: 0.14088143d over 60 yr. interval. 3186 S: H@Greek(a) emission. VAR: Amp. 0.04b, 0.264 or 0.359d? D: Companion K0. G: Sco-Cen assoc. 3187 VAR: 6.70 - 6.80p. 3188 D: B, 10.1v G8II at 33" optical. C is K2III. G: Group around @Greek(z) Mon. 3191 G: Wolf 630 group. 3194 M: Old disk population runaway star. 3195 S: H@Greek(a) emission. 3201 M: Old disk population runaway star. 3202 G: Hyades group. 3205 S: Metallic lines strong for He type B8p. 3206 D: Component B of 5 stars within 2' of HR 3207. G: @Greek(g) Velorum group. 3207 N: Suhail al Muhlif; Al Suhail al Muhlif; "Spectral Gem of Southern Skies". S: Magnesium and iron depleted by factor of 100 relative to the sun. UV spectrum dominated by supergiant companions. The Wolf-Rayet component appears to be the most massive known. Radio emission indicates a circumstellar gas cloud extending beyond the orbit of the binary. VAR: 1.6 - 1.8V, 154 sec. Sp. var. in about 200 sec. Variability too great to be explained by the 78.5d SB companion. Possibly a third close companion: a collapsed star of less than 2 solar masses. SB: Comp. A of visual double, 78.5d, K 43.1k/s, V@-(0) -18.0k/s, asini 45.8. Possible mass-transfer from WR to O-type component. D: See HR 3206. Mag. and colors blended with other companions. C = CoD -46*3848, 7.65V, B6V at 63", physical. D, 9.07V, Am at 94", SB, over 7d?, optical. R: Diam. = ".00043 - ".00044. G: @Greek(g) Velorum group which includes HR 3206, probably also HD 68157 at 20' and HR 3213 at 36' from A; HII region. M: Low degree of polarization indicates symmetric shell. The brightest O-type star and one of only four WR stars bright enough to have been observed spectroscopically in UV by COPERNICUS. With 3165, appears capable of producing most of the observed ionization of Gum Neb. The brightest and presumably the nearest Wolf-Rayet binary. Radio emission interpreted as coming from circumstellar gas cloud extending farther than the orbital radius of the binary. 3208 N: Tegmen; Tegmine. D: Considerable confusion on which of components B and C is HR 3209, which 3210. Combined mag. and color for 3208-9-10, 4.67V, +0.53(B-V). AB 5.63 F7V, 6.02 F9V, 59.7y, a = 0.884". Component B = HR 3210. DYN: ".039. 3209 D: See HR 3208. ABxC, 1150y, a = 7.96". C* 6.20 G5V, 17.5y, a = 0.191". Astrometric companion also found by occultation, 9.0v. Unresolved by speckle interferometry. 3210 D: See HR 3208. 3213 VAR: @Greek(b)C, Amp. 0.018u, 0.108d. RV: Amp. about 20k/s. Period probably same as for light curve. 3215 N: 15 CNC is also @Greek(v) Gem, in Cancer. VAR: @Greek(a) CV 5.53 - 5.65V, 4.116d. SB: 585.4154d, K 12.1k/s, V@-(0) +17.8k/s, asini 94.6. 3217 G: Sco-Cen assoc. 3218 G: Sco-Cen assoc. 3219 G: NGC 2546 #682. 3221 N: 56 Cam, in UMa. 3222 D: Suspected occultation double. 3223 SB: 14.1683d, K 66.7k/s, V@-(0) +9.7k/s, asini 13.0. Possibly secondary spectrum. 3225 VAR: Lc 4.4 - 4.5V. 3232 VAR: Cep 5.50 - 5.86V, 4.22717d. Per. and form of light curve vary. 3233 G: NGC 2546 #575. 3236 D: B, 9.78V, +0.39(B-V), -0.02(U-B), F5IV. 3237 S: Shell star. VAR: @Greek(g) C 4.60 - 4.88V. H@Greek(a) emission var. G: Pup OB3. 3240 VAR: 4.60 - 4.71P. 3241 SB: Secondary Sp. later and much fainter. G: Pup OB3. 3243 SB: 930d, K 10.8k/s, V@-(0) +13.5k/s, asini 127. 3244 VAR: Amp. 0.03b. 3245 N: 57 Cam, in UMa. VAR: E? Amp. 0.062. 3247 G: Praesepe cluster. 3248 S: SiO source. VAR: M 6.2 - 11.8v, 361.43d. P: Polarization possibly due to circumstellar dust scattering. 3249 N: Altarf; Al Tarf. D: CPM. G: Sco-Cen assoc. 3260 D: CPM. 3265 VAR: @Greek(d) Sct 6.29 - 6.33V, 0.097d. Some intervals of constant brightness. G: Hyades group. 3267 SB: Brighter component of visual double. 3275 N: Alsciaukat; Mabsuthat. S: UV FeII emission. 3278 D: 7.1 A, 7.4, 435y, a = 0.654". 3279 SB: Unresolved by speckle interferometry. vsini of A3 component, 80k/s. G: Sirius group; UMa stream. 3281 G: @Greek(z) Her group. 3291 D: AB, sep 0.100", unresolved by speckle interferometry. 3293 G: Sco-Cen assoc.; doubtful member of Sco-Cen cluster. 3296 VAR: 7.9 - 8.03B. 3297 SB: 1.5630d, K 30.3k/s, V@-(0) +71.3k/s, asini 0.650. 3301 D: CPM with HR 3302. 3302 D: CPM with HR 3301. C, 8.5v at 38" from B, binary. 3307 N: Avior. VAR: E? 3.1 - 3.4p, 785?d. 3309 G: Wolf 630 group. 3310 D: Binary with HR 3311. Colors for combined light. 3311 D: See HR 3310. 3312 N: BAC and some old catalogues call 24 CNC = @Greek(u)@+(1); HR 3329 = 28 = @Greek(u)@+(2); HR 3355 = 30 = @Greek(u)@+(3). Most modern catalogues follow Heis identifications: HR 3355 = 30 = @Greek(u)@+(1); HR 3369 = 32 = @Greek(u)@+(2). D: Binary with HR 3313. 3313 D: BC 8.6 dF6, 8.6, 21.82y, a = 0.19". Also binary with A, HR 3312. 3315 D: B, K1III optical. 3319 VAR: SRb 5.41 - 5.75V, about 40d. G: Arcturus group. 3321 VAR: @Greek(d) Sct? G: Possible Pleiades group. 3323 N: Muscida; a name also applied to @Greek(p) UMa, HR 3391, 3403. VAR: 3.3 - 3.8V, 358d. Also 0.05d, amp. 0.02V. D: B is 15v at 7", CPM. C and D optical. G: Probable Hyades group. 3324 G: @Greek(z) Her group. 3326 G: Member of the local association (Pleiades group). 3327 S: H/K/m indicate A6/F1V/F2, respectively. VAR: EA 6.7 - 7.14v, 1.25686d. D: Binary with HR 3328. 3328 D: Binary with HR 3327. 3329 VAR: @Greek(d) Sct amp. 0.025V, 2.3 hours. 3333 D: Uncertain if occultation double or triple. Other possible component 7.0v at 3". 3335 VAR: E amp. 0.3p, 4.56960d. Equal min. Redder at both minima. 3336 SB: One component RV +37, secondary -39.5k/s from single plate. 3337 SB: 5.9766d, K 42.5k/s, V@-(0) -11.8k/s, asini 3.49, or 2.4995d, K 86.1k/s, V@-(0) -4.6, asini 3.96. HR 3337 is an SB2 but each of the two components appears to be an SB1, with different periods. D: AB 7.1 A5m, 7.2, 53.0y, a = 0.321". C, 10.5v at 18" binary around AB. DYN: ".015. 3343 D: AP 6.6, 6.6v binary. Combined mag. and colors. B, 9.7v at 25" optical. 3345 S: Hg-Mn star. 3350 S: Also classified F3V. VAR: @Greek(d) Sct amp. 0.015V, 0.07:d. 3351 G: Probable Hyades group. 3352 VAR: ADS 6872B, 9.0 - (12V. SB: ADS 6872A, 4.285d, K 63.5k/s, V@-(0) -7.4k/s, asini 3.72. D: CPM. 3356 VAR: H@Greek(a) emission var. 3357 D: Occultation pair 6.4, 6.4v, blended mag. and colors. Visual component 10v at 63". 3358 SB: Comp. A of visual double; comp. B +15k/s. D: AP, 6.4, 6.4v, combined mag., color. Comp. B, 7.7v at 4" binary with AP. 3360 G: @Greek(h) Cep group. 3362 VAR: @Greek(d) Sct? 5.6 - 5.67V. D: Equal components reported; however, duplicity not confirmed. 3364 VAR: 8.6 - 8.87B. 3369 G: 61 Cyg group. 3371 G: Sco-Cen assoc. 3381 D: AB 6.9 A7, 7.0, 159.2y, a = 0.568". Combined mag. and color. DYN: ".014. 3386 D: SKYLAB indicates cool star with hot companion. 3387 G: NGC 2632 #1133; Praesepe. 3388 M: Old disk population runaway star. 3389 VAR: 5.8 - 5.89B. 3391 N: Muscida, with HR 3403. G: Sirius group; UMa stream. 3395 SB: ADS 6886A, 14.296d, K 22.7k/s, V@-(0) +24.2k/s, asini 4.28. D: CPM with HR 3396. 3396 D: See HR 3395. 3397 D: 7.2 G5IV-V, 7.2 G5IV-V, 13.9y, a = 0.160". Combined mag., colors. 3398 VAR: @Greek(a) CV 5.66 - 5.76V, 11.305d, double wave. Rotation, same period. Spectrum var. Magnetic field 4.606d. 3399 VAR: Amp. 0.09V. 3403 N: Muscida, with HR 3391. 3408 G: Probable Hyades group. 3413 VAR: Amp. 0.025y, 2.67d. Spectrum var. same period. G: In cluster IC 2391. 3415 G: Sco-Cen assoc. 3418 N: Al Minliar al Shuja; Minchir. 3427 D: Components B, 6.60V, +0.01(B-V), +0.03(U-B), A0III at 150", vsini : 40k/s; P, 9.22V, +0.39(B-V), +0.01(U-B) at 134"; and Q, 8.81V, +0.32(B-V), +0.09(U-B), F2V, at 135", vsini 86k/s, form a physical system with A. B is 40 Cnc; Q is +20*2161. G: In Praesepe; NGC 2632 #253. 3428 D: ACD a physical group: C, 7.70V, +0.20(B-V), +0.16(U-B), Am, vsini < 45k/s. D, 9.39V, +0.41(B-V), +0.03(U-B), F5V at 83". B, 10.37V, +0.59(B-V), +0.11(U-B), G0IV-V at 21", CPM. G: NGC 2632 #283. 3429 G: In Praesepe; NGC 2632 #300. 3430 D: AB 5.3 G3V, 6.7 K0V, 145.0y, a = 1.700" or 140.0y, a = 1.8884". Combined mag., colors. DYN: ".041. 3431 VAR: Amp. 0.05v, 1.43d. 3434 D: 6.5 F3IV, 7.6 F6V, 66.5y, a = 0.527". Combined mag., color. 3435 G: IC 2391 #8. 3438 G: Sco-Cen assoc. 3440 VAR: Amp. 0.02V, 0.26145d. Probable beat phenomena. G: IC 2391 #13, probable member of the cluster. 3441 D: Optical. G: UMa stream. 3442 VAR: Ell amp. 0.01V. SB: Primary of visual double. 3.1d. RV comp. B +12k/s. D: CPM? G: Sco-Cen assoc.; probable member of open cluster IC 2391. 3445 G: Vel OB1. 3447 VAR: @Greek(b) C 3.56 - 3.67V, 0.131977d. SB: 3.2 hrs. RV: Expanding circumstellar shell. G: In cluster IC 2391 #20. 3448 S: Helium-weak star. VAR: Amp. 0.01b, 0.388d. Possibly shortest period for He-weak star. G: IC 2391 #21. 3449 N: Asellus Borealis. G: Hyades group. D: Component A suspected occultation double. Three visual companions. 3450 SB: Unresolved by speckle interferometry. vsini of secondary, 70k/s. D: Combined mag. Sep. 0.05". 3453 S: Also classified B2III. 3454 VAR: Amp. 0.015V, about 4 hrs. 3456 G: Vel OB1. 3457 VAR: @Greek(b) C 4.3 - 4.33V. SB: 133.9d. 3459 G: Group around @Greek(z) Mon. 3461 N: Asellus Australis. D: AP, suspected double, unresolved by speckle interferometry. Visual companion 12.2v at 38" optical. 3462 VAR: Amp. 0.037b, 0.563d. G: In cluster IC 2395 #1; Sco-Cen assoc. M: Unusually high-velocity interstellar CaII not associated with galactic rotation, but probably part of Vela supernova remnant associated with Pulsar 0833-45 about 3* away. 3464 N: BAC and Heis (Argelander) differ on the correspondence between Flamsteed numbers and Bayer letters. The Heis convention is adopted here. The corresponding interpretations are as follows: HR, FL, Heis, BAC; 3464, 46, -, @Greek(s)@+(1); 3519, 51, @Greek(s)@+(1), -; 3532, 57, -, @Greek(s)@+(2); 3555, 59, @Greek(s)@+(2), -; 3563, 61, -, @Greek(s)@+(3); 3575, 64, @Greek(s)@+(3), -. In the Bayer atlas (1603) the letter @Greek(s) is in a position between these two groups (BAC being south of Heis configurations) and could apply just as well to either. Most older catalogues give the BAC convention. G: UMa stream. 3465 S: Magnetic star. VAR: @Greek(a) CV 5.60 - 5.71V, 4.2393d. G: Pleiades group. 3466 D: Binary with HR 3467. Component C 8.0v at 0.5" from B. G: IC 2391 #37. 3467 VAR: Amp. 0.015b, 0.0284d. D: See HR 3466. G: Sco-Cen assoc.; IC 2391 #34, probable member of cluster. 3468 RV: Expanding circumstellar shell. 3472 D: Binary. Companion is dF3. 3474 D: Binary with HR 3475. 3475 D: Binary with HR 3474. 3477 G: Possibly member open cluster Trumpler 10. 3479 VAR: 5.6 - 5.70B. 3482 S: Secondary has been classified dF7, later A8IV. SB: ADS 6993B, 5492d, K 7.3k/s, V@-(0) +36.4k/s, asini 437. Secondary period 70d suspected. ADS 6993C, SB 9.9047d, K 35.0k/s, V@-(0) +31.2, asini 3.74. D: AB 3.8 G5III, 4.7 A8IV, 15.05y, a = 0.238". Combined mag., colors. ABxC, 3.4, 7.8 dF7 at 3" from AB, 890y, a = 4.536". Component D, 12.7v at 19" from A, in hyperbolic orbit about ABC, periastron distance, 29". DYN: ".018. 3485 RV: Two determinations of vsini, 0 and 80k/s. D: AB binary with CPM double companion CD at 69". CD 11.0, 13.5v sep. 6". G: In Ursa cluster? Sirius group? 3488 VAR: H@Greek(a) emission var. 3489 D: Component B, RV +24k/s. 3490 VAR: 6.30 - 6.40V. 3492 SB: ADS 7006A, 8.2d. D: CPM. 3494 D: Wide CPM pair with HR 3496. G: Sco-Cen assoc.; Vel OB1. 3496 D: See HR 3494. G: Vel OB1. 3498 VAR: @Greek(g) C 4.4 - 4.50V. G: Sco-Cen assoc. 3500 S: Hg-Mn star, shows Eu 4205. VAR: Amp. 0.02y, about 6d. G: Possible Pleiades group. 3501 G: In open cluster Trumpler 10. 3502 G: Sco-Cen assoc. 3503 RV: Other determinations as high as +34k/s. G: IC 2391 #50. 3510 D: Sep. 0.05". 3512 G: In Ursa cluster; Sirius group. 3515 G: Cluster M67 = NGC 2682. 3517 VAR: @Greek(d) Sct, 0.087d. 3519 N: See HR 3464. 3521 N: BAC and others call this @Greek(r)@+(1), HR 3522 @Greek(r)@+(2), and HR 3540 @Greek(r)@+(3). S: Magnetic star. VAR: Lb? 6.23 - 6.37V. RV: Lines of higher excitation potential show higher RV. 3522 N: See HR 3521. S: Enhanced CN and C@-(2) and perhaps CH. D: CPM. G: Hyades group. 3523 VAR: ADS 7050. Uncertain which component varies. B-A discordant by over 2.0v. SB: ADS 7050A. vsini of secondary 45k/s. D: AB binary. Other components optical. 3524 VAR: EA 6.02 - 6.66V, 1.6698684d. Also @Greek(d) Sct amp. 0.04V, 0.077d. Possibly changing period. SB: 1.6699d, K 136.1k/s, V@-(0) +16.1k/s, msin@+(3)i 1.82, asini 3.13. Masses 1.25 and 1.05 solar. 3525 S: Also classified O9IV, O9V, B0V, B1IIIn. SB: 33.311d, K 121.3k/s, V@-(0) +23.4k/s, msin@+(3)i 18.0, a@-(1)sini 43.1, a@-(2)sini 53.5. Massive system similar to @Greek(i) Ori; might be eclipsing. G: Sco-Cen assoc.; doubtful member Vel OB1. 3527 RV: High velocity interstellar CaII not associated with galactic rotation, but probably part of Vela SN remnant associated with Pulsar 0833-45 about 3* away. D: CPM. G: Sco-Cen assoc. 3532 N: See HR 3464. D: AB binary. B is K0. 3539 G: Sco-Cen assoc. 3540 N: See HR 3521. 3541 VAR: SRb 9.3 - 10.9p, 170d. R: Occult. diam. = ".0079. 3542 D: Binary. Combined mag., colors. 3546 G: Hyades moving group. 3550 R: Occult. diam. = ".0033. 3551 D: 6.1 Am, 6.1, 7.24y, a = 0.1036". Combined mag., color. DYN: ".017. 3552 D: Binary with HR 3553. 3553 D: Binary with HR 3552. Colors for combined light. Blended mag., 6.08V. Levato indicates spectral classes G5III+A0V, both vsini : 50k/s. 3555 N: See HR 3464. 3556 D: IDS gives two other components. CD, both 11v sep. 2.5" but does not indicate separation from A or B. 3563 N: See HR 3464. D: 7.0, 7.0v; combined mag., colors. Unresolved by speckle interferometry. 3564 VAR: Amp. 0.08(B-V). 3569 N: Talitha; Talita. VAR: 0.02V, 0.071d. SB: ADS 7114A, 4028d, K 6.0k/s, V@-(0) +6.8k/s, asini 310. D: BC 10.8, 11.0, 39.69y, a = 0.68". BC is dM1. BCxA: 817.91y, a = 9.092". Separation rapidly decreasing. ADS 7114Aa, 11.02y, a = 90.354". This is the SB pair. DYN: ".066. G: Hyades group. 3571 G: Member of the local association (Pleiades group). 3572 N: Acubens; Sertan; Sartan. S: Spectrum shows phosphorus. D: ADS 7115A is occultation double. Combined mag., colors. B is 11.8v at 11", binary. G: Sirius group? 3574 SB: 0.9147d, K 46.3k/s, V@-(0) +22.2k/s, asini 0.577. 3575 N: See HR 3464. 3579 N: Formerly known as 10 UMa, in Lynx. SB: 7980.7d, K 4.0k/s, V@-(0) +27.2k/s, asini 434, i 134.8*. D: AB 4.11 F5V, 6.18 G5V, 21.85y, a = 0.619". Combined mag., colors. Companions C - E optical. Masses A, 1.13; B, 0.84 solar. DYN: ".054. G: Hyades group. 3582 VAR: Amp. 0.015b, 0.0208d. D: Fixed. B is B9.5V. vsini both components 0k/s. G: Sco-Cen assoc.; member of Pleiades group. 3587 D: AB fixed. 3588 S: @Greek(d) Sct type spectrum. VAR: @Greek(d) Sct 5.15 - 5.17V, 0.065d. G: Hyades moving group. 3589 S: Shell star. 3590 D: CPM. Companion F3IV. 3591 S: Also variously classified Fp, F8III. SB: 74.1469d, K 17.8k/s, V@-(0) -7.4k/s, asini 18.1. 3593 S: H@Greek(a) emission. VAR: @Greek(b) Cep 6.02 - 6.06V, about 7 hrs. with beat phenomenon. 3594 D: 4.2 A0IV-V, 4.4 A0V, 64.29y, a = 0.26". Mag., colors for combined light. DYN: ".009. 3595 S: Hg-Mn star. VAR: @Greek(a) CV? 5.33 - 5.49V. SB: 1401.4d, K 7.7k/s, V@-(0) -14.3k/s, asini 139. G: Sirius group? UMa stream. 3598 D: Optical. G: Hyades group. 3603 S: Sr strong. 3612 S: Possible BaII star. 3615 S: Variously classified Am, A5III, A5V, and A2IV-Vm+A2IV-Vm. G: Sirius group. 3616 VAR: ADS 7203B, 7.5 - 10.0v? D: AB 4.85 F7IV-V, 8.16 K2V, 1067.1y, a = 6.20". C, probably optical. DYN: ".044. 3617 D: AB binary. B is F5V. C, optical. 3619 S: Violet part of spectrum indicates luminosity III; G-band region, V. 3622 D: Binary. 3623 S: Spectrum shows phosphorus. Magnesium deficient relative to oxygen. Gallium II lines strong. Normal SiII, weak MgII. @Greek(l) Boo type. Hg-Mn star. It has been suggested that a nearby supernova explosion could have produced reactions to account for abundance anomalies. VAR: @Greek(a) CV 5.22 - 5.27V, 6.91?d or 5.0035d. SB: 6.3933d, K 67.4k/s, V@-(0) +24.5k/s, asini 5.88. D: Triple occultation star, third component 7.8v at 0.0003" from primary. Combined mag., colors. 3624 S: Violet part of spectrum indicates luminosity III; G-band region, IV-V. SB: ADS 7211A, 1062.4d, K 3.9k/s, V@-(0) -8.7k/s, asini 50.0. Unresolved by speckle interferometry. D: B, optical. 3625 G: Hyades group. 3626 SB: 19.4589d, K 20.2k/s, V@-(0) +12.3k/s, asini 5.28; 19.412d, k@-(1) 26.6k/s, k@-(2) 33.6k/s, v@-(0) 10.4k/s, a@-(1)sini 6.95, a@-(2)sini 8.73. 3627 SB: 1700.76d, K 4.4k/s, V@-(0) -7.7k/s, asini 103. D: Unresolved by speckle interferometry. 3634 N: Alsuhail; Al Suhail al Wazn; Suhail. S: Ultraviolet FeII emission. VAR: Lc 2.14 - 2.22V. M: Young disc population. 3639 S: Technetium star. CO emission. OH radio emission. VAR: SRc? 6.2 - 7.7p, 120d. Mean mag. varies in period 1700d. 3640 D: Unresolved by speckle interferometry. 3642 S: Shell star. VAR: @Greek(g) C 4.67 - 4.78V. 3644 SB: Primary of visual double. D: BC, 10.5, 10.8v, sep. 0.3", CPM? 3648 SB: 16.2397d, K 35.3k/s, V@-(0) -14.6k/s, asini 7.85. D: Noted by W. Herschel as double, sep. 49", is probably error: single star. 3650 D: AP 7.2 G9V, 7.2 G9V, 2.65y, a = 0.126". Combined mag., colors. 3652 S: @Greek(a) Scl type helium-weak star. Sp. shows Mn. Silicon star. 3654 VAR: Amp. 0.07V. 3655 SB: 7.7504d, K 73.2k/s, V@-(0) -4k/s, msin@+(3)i 1.59, asini 7.75. Primary, giant; secondary dA0? 3659 N: a Car. S: H@Greek(a) emission. VAR: E 3.20 - 3.56P, 6.751154d, 0.05R. SB: 6.7447d, K 21.5k/s, V@-(0) +23.3k/s, asini 1.96. Equal components. G: Sco-Cen cluster; member of Pleiades group. 3661 D: AB 6.7, 7.2v sep. 0.11". Combined mag., colors of ABC. 3662 VAR: @Greek(d) Sct? Amp. 0.03V, 3 hrs., but sometimes cst. for 5 hrs. G: Sirius group; UMa stream. 3663 VAR: Helium var.? G: Sco-Cen assoc.; probable member of Sco-Cen cluster. 3665 S: @Greek(l) Boo star. SB: ADS 7253A. D: AB optical. G: Wolf 630 group. 3669 N: Usually called @Greek(p) Cnc. 3671 G: Globular cluster NGC 2808. 3672 G: Sco-Cen assoc. 3674 G: Sco-Cen assoc. 3676 SB: 15.986d, K 63.3k/s, V@-(0) -13.1k/s, msin@+(3)i 1.49, asini 12.1. G: Sirius group? 3679 VAR: 6.3 - 8.1p. 3680 D: Binary, combined mag., colors. 3681 SB: 922d, K 10.0k/s, V@-(0) -7.7k/s, asini 121. Unresolved by speckle interferometry. 3685 N: Miaplacidus. VAR: Balmer lines show quasi periodic var. in cycles of about 35 min. R: Diam. = ".00151 - ".00159. 3688 VAR: 6.3 - 6.34p. 3689 D: Optical. 3690 SB: ADS 7292A. RV comp. b, -1k/s, vsini 190k/s. D: AB binary. 3691 VAR: Amp. 0.04b. G: Sco-Cen assoc. 3692 VAR: 5.08 - 5.14V. 3694 RV: Period 1 - 2 months? 3697 D: AB, @Greek(D)m 4.6v, binary. 3698 VAR: Lb 5.87 - 5.95V. 3699 N: Turais; Tureis; Scutulum; Aspidiske. VAR: 2.2 - 2.5:v. 3701 D: AB 6.50 F3V, 6.74, 389.05y, a = 1.516". DYN: ".018. 3704 D: Binary. G: @Greek(g) Leo group? 3705 S: Ultraviolet FeII emission. 3709 D: AB CPM. BC, 6.87v F5V, 9.0v K2V, sep. 9", physical. B, 7.04V, +0.35(B-V), +0.03(U-B), vsini : 60k/s. 3712 D: AB 6.1 F4V, 6.1, 3.2y, a = 0.124". 3715 RV: Other determinations +36k/s. D: CPM. 3717 G: Formerly considered member of Sco-Cen assoc. is probably not member. M: Close to error box of X-ray source 3U0918-55. 3720 D: AB binary. C, 10.0v at 7", CPM? 3724 S: Magnetic star. VAR: 3.41d, 0.05V. D: AB 7.3 A2, 7.4, sep. 0.100", 25.4y, a = 0.28". Combined mag., colors. G: Member of Pleiades group. 3725 SB: ADS 7348A. D: CPM. 3730 VAR: 5.72 - 5.76V. 3731 N: Al Minliar al Asad. VAR: ADS 7351B, 9.5 - 11.5v. D: AB binary. 3733 S: G8III CN-1.5 H@Greek(d)-0.5. 3734 SB: 116.65d, K 46.5k/s, V@-(0) +21.9k/s, asini 73.2. G: Sco-Cen assoc. M: Third UHURU Catalogue suggests @Greek(k) Vel as optical counterpart of 3U0918-55, but HR 3717 is much closer. 3738 N: In many older catalogues called A Hya; in Bayer, 3 stars are near the letter A, of which the brightest is 33 Hya = HR 3814, another HR 3750. 3743 N: 41 Lyn in UMa. 3744 S: Possibly shell star. D: AB combined mag., colors. C, 11.5v at 10.7". All three CPM. 3748 N: ALPHARD; Alfard; Alphart; Kalbelaphard; Cor Hydrae. S: Balloon-borne spectrometer revealed pronounced emission of MgII. 3750 N: See HR 3738, 3814. SB: 917.1d, K 2.2k/s, V@-(0) +56.3k/s, asini 27.1. D: CPM. 3752 D: CPM. G: Hyades group. 3753 G: Sco-Cen assoc. 3754 SB: 116.85y D, K 2.2k/s, V@-(0) -6.0k/s, asini 1070. D: 5.87 dF8, 6.53, 116.85y, a = 0.875". DYN: ".024. 3755 D: CPM. 3757 VAR: @Greek(d) Sct, amp. 0.07B, about 2 hrs. D: AB binary. C, 10.5v at 100", optical. G: Sirius group? 3759 D: CPM. 3768 VAR: Amp. 0.025V, pulsating. 3770 D: Optical. 3771 VAR: Amp. 0.058V, 0.9202d, pulsating. 3773 N: Alterf. VAR: Sp. var., 7 - 12d. 3775 SB: 371.0d, K 4.3k/s, V@-(0) +13.0k/s, asini 21.2. Unresolved by speckle interferometry. D: CPM. 3777 G: Hyades group. 3779 SB: ADS 7416A. Sp. comp. B, F5. D: Companion 9.54V, +0.44(B-V), +0.03(U-B), F6V. 3780 D: CPM with HR 3781. 3781 D: CPM with HR 3780. Colors for combined light. Mag. for blended image, 5.74V. 3782 D: Sep. 0.007". 3786 VAR: Comp. B, 4.5 - 5.1v. D: 4.1 F2IV, 4.6 F0V, 33.99y, a = 0.795". Combined mag., colors. DYN: ".061. 3792 D: Optical. 3795 VAR: Spectrum var.? G: Hyades group. 3798 VAR: EW 6.7 - 7.22B, 0.648345d, per. probably varies. SB: 0.6483d, K 92.3k/s, V@-(0) +15?k/s, asini 0.823. 3800 D: Suspected double unconfirmed by speckle interferometry. 3803 VAR: L? 3.10 - 3.16V. 3806 D: Binary. Secondary F0. 3811 SB: ADS 7438A, 1.6815d, K 99.1k/s, V@-(0) -25.0k/s, msin@+(3)i 1.32, asini 2.29. D: AB fixed? B is F5. C, at 118". Probably optical. 3814 N: Heis-Argelander call this A Hya whereas BAC calls 28 Hya = HR 3738A. Bayer letter A marked so that any or all HR 3738, 3750, 3814 could have been designated as A. G: Wolf 630 group. 3815 D: Binary? 3816 VAR: Component A of visual double. M 3.9 - 10.1v, 308.71d. 3817 RV: Comp. A of double, RV var.; comp. B +20k/s. D: Secondary B8V, vsini 157k/s. G: Sco-Cen assoc.; probable member of Sco-Cen cluster. 3818 D: CPM. Companion F8V. Discordant magnitudes and colors: Nicolet: A = 7.86V, -0.10(B-V), -0.43(U-B); B = 9.07V, +0.55(B-V), +0.01(U-B). USNO Photoelectric Catalogue: A = 6.36V, +0.01(B-V), +0.03(U-B); B = 9.51V, +0.50(B-V), +0.03(U-B). Component A suspected occultation double. 3825 G: Member of Pleiades group. 3831 S: Also classified A7pSr. VAR: Amp. 0.05V, 1.428d. 3834 G: @Greek(z) Her group. 3840 D: CPM. 3842 S: BaII star. Overabundance of praseodymium. 3844 D: CPM. 3845 G: Wolf 630 group. 3849 G: Member of the local association (Pleiades group). 3852 N: Subra. SB: ADS 7480A, 14.4980d, K 54.1k/s, V@-(0) +27.1k/s, msin@+(3)i 1.30, asini 10.8. Unresolved by speckle interferometry. vsini both components : 50k/s. D: ADS 7480A is occultation double, sep. 0.004", same pair as SB. Combined mag., colors. Visual component B, 9.9v at 85". 3856 VAR: 4.4 - 4.44B. G: Pleiades group; Sco-Cen assoc. 3858 G: Member of the local association (Pleiades group). 3860 VAR: 5.06 - 5.17V, 0.04R. G: Sco-Cen assoc. M: High velocity star. 3863 SB: Primary of visual double. D: 6.0 A2, 6.1, 10.72y, a = 0.142". Combined mag., colors. DYN: ".019. 3865 SB: Primary of visual double. 3870 VAR: Amp. 0.16P. 3871 D: 5.4 F7V, 5.6 F8V, 18.83y, a = 0.128". Combined mag., colors. 3872 VAR: E amp. 0.2b. Component A of visual double. 3873 N: Ras Elased Australis; Al Ras al Asad al Janubiyyah; Algenubi; with HR 3905, Al Ashfar. VAR: Cep amp. 0.1V, period a few days. 3875 G: Sco-Cen assoc. 3876 G: Wolf 630 group. 3878 G: Sco-Cen assoc. 3880 D: Occultation binary, sep. 0.031", resolved by speckle interferometry at 4 meter Mayall telescope. Combined mag., colors. 3882 C: (R-I) corresponds to 7.52V, +1.41(B-V), +0.28(U-B). S: SiO maser. H@-(2)O bands. Silicate emission. VAR: M 4.4 - 11.3v, 312.43d. Period varies. R: Speckle interferometer observations show abrupt variations in diameter as a function of wavelength, interpreted as due to large opacity of TiO. ".032 at 5400A to ".054 at 7300A to ".030 at 7400A. Occult. diam. = ".067. P: Polarization possibly due to circumstellar dust scattering. G: Wolf 630 group. 3883 VAR: 6.5 - 6.59V. 3884 S: Possible circumstellar shell. VAR: C@Greek(d) 3.38 - 4.10V, 35.5225d. Period varies. RV: 35.5374d. 3886 G: Sco-Cen assoc. 3888 VAR: @Greek(d) Sct 3.77 - 3.86V, 0.133d, amp. and form of light curve vary. D: CPM. 3889 S: Sr enhanced. Also classified A8IVs and F0IIIn. VAR: Comp. B of visual double, @Greek(d) Sct 6.08 - 6.12V, 0.08184505d. SB: Comp. A of visual double, 4.1467d, K 101.2k/s, V@-(0) +27.2k/s, msin@+(3)i 1.80, asini 5.77. Both components A8IV. Could be eclipsing. Nearly equal masses. Secondary vsini 30k/s. D: AB, about 200y. B also A8IV. 3890 D: CPM with HR 3891. Colors for combined light. Blended mag. 2.97V. 3891 D: See HR 3890. 3893 SB: 3.0546d, K 100.3k/s, V@-(0) +17.4k/s, msin@+(3)i 1.41, asini 4.21. 3894 D: 5.30 A3IV, 5.38 A3IV, 104.1y, a = 0.345". Combined mag., colors. DYN: ".008. G: Possible Eggen group with HR 63, q.v. 3895 G: NGC 3033 #1. 3898 D: Secondary B9. 3900 G: Wolf 630 group. 3903 G: Sirius group; UMa stream. 3905 N: Ras Elased Borealis; Rasalas; Ras al Asad al Shamaliyy; Alshemali; with HR 3873, Al Ashfar. S: Super metal-rich star. 3909 D: AB 5.58 A1V, 6.07 A4V, 75.60y, a = 0.385". Combined mag., colors. C, 12.28V at 36" optical. DYN: ".012. 3912 SB: 329.30d, K 14.1k/s, V@-(0) +11.0k/s, asini 63.8. 3916 D: Binary. G: Hyades group. 3917 VAR: Cst? 5.23V. 3919 G: @Greek(z) Her group. 3920 VAR: 6.3 - 6.36B. 3921 S: Weak shell absorption; no emission. 3922 G: Wolf 630 group. 3924 VAR: @Greek(b)C, Amp. 0.03b, 0.1096d. 3925 RV: Component B, +5k/s. D: Binary. Combined mag., colors. G: Sco-Cen cluster. 3927 SB: Equal components. 3928 SB: 9.2847d, K 17.8k/s, V@-(0) -8.8k/s, asini 2.27. 3936 SB: Secondary vsini 30k/s. 3940 G: Sco-Cen assoc. 3941 G: Sco-Cen assoc.; probable member of Sco-Cen cluster. VAR: @Greek(b)C, amp. 0.013b, 0.1608d. 3943 D: CPM. Two spectra. 3946 VAR: Amp. 0.24V. RV: Radcliffe spectra give +40k/s. 3947 D: CPM. 3949 G: Sco-Cen assoc.? Probable member of Sco-Cen cluster. 3950 S: Ultraviolet FeII emission. VAR: Amp. 0.10V. R: Occult. diam. = ".0052 - ".0059. 3951 D: Fainter component is BD+32*1968. Probably optical. 3955 G: Sco-Cen assoc.; doubtful member of the Sco-Cen cluster. 3960 G: In cluster NGC 3114 #48. 3963 D: AC binary. B, 12v at 12" optical. C, 7.0v A0, vsini 50k/s. 3966 G: NGC 3114 #125. 3971 S: Shell star. RV: Probably corresponds to circumstellar shell. 3974 VAR: @Greek(d) Sct 4.5 - 4.55v. About 0.1d. G: Sirius group; UMa stream. 3975 S: Large helium abundance due to chromospheric shell. Metal abundance greater than in sun. D: Occultation binary, sep. 0.097", unresolved by speckle interferometry. G: Sco-Cen assoc. 3976 D: 5.3 K0IV, 6.9 G5V, 232y, a = 0.64". Combined mag., colors. 3978 VAR: Cst 6.49V. 3979 D: ABxC, CPM. C is 13.0v at 28". 3980 D: CPM. R: Occult. diam = ".0028 - ".0031. 3982 N: REGULUS; Cor Leonis; Rex; Al Kalb al Asad; Kabeleced. C: Color excess E(B-V) = +0.01. S: C1 neutral carbon continuum shows discontinuities in UV. Excess IR emission. D: AB binary, B, 8.13V, +0.86(B-V), +0.51(U-B), K1V. BC, 7.6, 13.1v, 2000y, a = 4.163". R: Diam. = ".00132 - ".00137. 3989 S: Strong shell absorption; no emission. 3990 G: Sco-Cen assoc. 3991 SB: 28.098d, K 10.1k/s, V@-(0) +7.5k/s, asini 3.89. 3992 G: @Greek(z) Her group. 3994 SB: ADS 7671A, 1585.8d, K 3.7k/s, V@-(0) +19.4k/s, asini 79.9. Unresolved by speckle interferometry. D: Visual companions both optical. 3998 D: CPM. G: Sirius group; UMa stream. 3999 VAR: M 4.5 - 9.9v, 149.55d. 4006 G: Sco-Cen assoc.; 61 Cyg group. 4007 VAR: 0.23V. 4008 VAR: Cst? 6.25V. 4009 VAR: @Greek(g) C 5.69 - 5.81V. 4011 S: Also classified F0pSr. Metallic line spectrum about F3, K-line weak. 4018 S: H@Greek(b) weak emission. 4021 S: K/H/m lines indicate A4/F1/F2 respectively for component A; A5/F0/F1 for component B. D: AB binary. Both A and B Am stars. vsini both components : 25k/s. B is 7.36V, +0.30(B-V), +0.19(U-B). 4022 G: Sco-Cen assoc.; doubtful member of the Sco-Cen cluster. On the basis of RV and proper motion HR 4022 and several fainter stars are possibly associated with l Car. 4023 G: Sco-Cen assoc. 4024 G: Hyades group. 4025 S: K/H/m indicate A5/A7/F0II-III respectively. 4028 D: 7.2 dF2, 7.5, 810.5y, a = 1.198". Combined mag. DYN: ".014. 4031 N: Adhafera; Aldhafara; Aldhafera. G: Sirius group; UMa stream. 4033 N: Tania Borealis. With HR 4069, Al Kafzah al Thaniyah. G: Hyades group. 4037 S: Shell star. H@Greek(a) emission. G: Sco-Cen assoc. 4038 G: Sco-Cen assoc.; doubtful member of the Sco-Cen cluster. 4039 D: Companion is M1. 4042 G: Hyades group. 4043 D: 6.9 A5V, 7.0 A5V, 124.0y, a = 0.435". Combined mag., color. 4045 VAR: Amp. 0.32V, 0.11R. 4050 VAR: Lc? 3.36 - 3.42V. G: Sco-Cen assoc. 4054 VAR: @Greek(d) Sct? Amp. 0.02V. 4057 N: ALGIEBA; Algeiba; Al Gieba. VAR: Amp. 0.15V, type unknown. Originally confused with eclipsing star Y Leo when var. suspect number was assigned. Now HR 4057 again suspected of variability. D: AB 2.22 K0IIIP, 3.47 G7III, 618.56y, a = 2.505". B is HR 4058. Colors for combined light. Mag. for blend, 1.90V. DYN: ".013. G: @Greek(g) Leo group. 4058 D: See HR 4057. DYN: ".013. G: @Greek(g) Leo group. 4062 G: Hyades group. 4063 VAR: 6.37 - 6.44P, 0.21R. 4064 VAR: Cst? Comparison star was the var. 4065 D: CPM? Combined mag., colors. 4069 N: Tania Australis. S: Ultraviolet FeII emission. H and K emission. SB: 230.089d, K 7.4k/s, V@-(0) -20.4k/s, asini 23.4. 4070 VAR: Probably not var. Comparison star was variable. 4072 S: Hg-Mn star; SrII 4077; platinum II. SB: 11.5791d, K 38.9k/s, V@-(0) -2.6k/s, msin@+(3)i 0.754, asini 5.98. 4074 VAR: Spectrum var. D: AB binary? 4076 SB: Secondary much fainter. 4077 G: Wolf 630 group. 4082 VAR: Amp. 0.025y, 4.37d. Spectrum var. 4085 D: B, 13v at 8", optical. 4087 G: @Greek(e) Ind group. 4088 VAR: SRb? 5.60 - 5.67V, 1 - 2d? 4089 S: Helium-weak star. VAR: Possible He var. SB: 0.9445d, 1.0565d or 17.7d. 4098 D: CPM. G: Arcturus group. 4100 SB: ADS 7780A, 37.9y, K 3.2k/s, V@-(0) +5.7k/s, asini 476. Masses 2.1 and 0.5 solar. D: 4.40 G8III-IV, 6.12 F8V, 37.2y, a = 0.32". Combined mag., colors. DYN: ".017. 4101 S: Magnetic star. VAR: @Greek(a) CV 5.97 - 6.15V, 1.4450d. Magnetic var. 7.9d? and var. Sr, Cr. SB: 12,658.4d, K 11.0?k/s, V@-(0) -7.8k/s, asini 1650. 4104 G: Hyades group. 4110 G: Cluster IC 2581 #1; Car OB1. 4111 VAR: Amp. (U-B), 0.13. 4112 D: Triple CPM and common RV system. B = BD+56*1458, 9.94pg; C = BD+57*1266, 8.99pg. 4114 VAR: 3.79 - 3.83V. G: Sco-Cen assoc. 4119 G: Member of Pleiades group. 4122 SB: ADS 7808A. D: AB CPM. B is F6V. C, 9.5v at 64" optical. 4123 S: Shell star. 4124 D: Optical. 4127 R: Occult. diam. = ".0056. 4128 N: In the HD the magnitudes for HD 91269, 91270 had been interchanged, leading to much subsequent confusion between the red and blue components. D: B = CPD-60*1944 = HD 91269, 7.54V, -0.08(B-V), -0.57(U-B), B5Vne, shell star. 4131 S: Metal-deficient. 4132 SB: ADS 7826A, 292.56d, K 14.5k/s, V@-(0) +9.0k/s, asini 55.6. Unresolved by speckle interferometry. D: Visual companion optical. 4133 C: Color excess E(B-V) = +0.08. S: Lyman @Greek(b) observed from COPERNICUS. Nitrogen enhanced, and carbon deficient. VAR: Amp. 0.07V. SB: Inferred statistically by F. Schlesinger in 1915. Unresolved by speckle interferometry. D: Combined mag., colors. Sep. 0.0036". M: Old disk population runaway star. 4134 N: Called Y Argus in Velis by Lacaille 1763. Not the var. Y Vel. D: Companion K5, optical. 4135 D: Fixed with HR 4136. Color for combined light. Blended mag., 5.16V. 4136 D: See HR 4135. 4138 S: Also classified Am, A2m, A2III. 4140 S: Shell star. VAR: @Greek(g) C 3.27 - 3.37V. 4141 G: "Dipper Stars"; Sirius group; UMa moving cluster. 4142 S: Also classified K4Ib and M1III. 4143 D: CPM? Companion spectral class A. 4144 G: Sco-Cen assoc.; in reflection nebula Car R1, probably connected with Carina nebula NGC 3372; Car OB1. 4147 VAR: Amp. 0.05y, cycles 15 - 20d? Irregular var. in H@Greek(a) profiles indicating chromospheric activity. G: Car OB1. 4148 VAR: ADS 7837A, EA 5.66 - 5.75V, 2.4450566d. SB: 2.4451d, K 62.6k/s, V@-(0) +16.7k/s, asini 2.10. D: A is occultation double, sep. 0.0005". Visual companion 8.5v at 2.4"; CPM. 4151 VAR: Amp. 0.08(B-V). 4153 VAR: Lb 8.1 - 9.7p. Amp. 0.25V. 4154 S: Weak G-band. 4157 D: 6.7 F4V, 7.5 G0V, 210.1y, a = 0.982". Combined mag., color. DYN: ".020. 4158 D: Optical. 4163 S: Technetium star. VAR: SRb 7.0 - 9.2p, about 450d. 4167 S: Also classified A3m F0-F2. SB: Primary of visual double, 10.2104d, K 42.3k/s, V@-(0) +21.2k/s, msin@+(3)i 0.333, asini 5.11. D: 4.2 F3IV+F0V, 5.1 A6V, 16.30y, a = 0.340". 4168 SB: 7.7991499d, K 24.1k/s, V@-(0) +6.1k/s, asini 2.58. Companion dM? 4169 S: Shell star. VAR: Amp. 0.035y. H@Greek(a) profile variable. G: Car OB1; member NGC 3324, a very young open cluster; Sco-Cen assoc. M: Possible abs. mag. = -8.0V. 4171 N: @Greek(f) in most catalogues. Becvar calls it @Greek(f)@+(1) but Delalande- Baily call it @Greek(f)@+(3); their @Greek(f)@+(1) is a 7.12 mag. star 4@+(m) prec., HD 91369. SB: 1200d, K 4.0k/s, V@-(0) +16.2k/s, asini 65.7. 4173 G: Sco-Cen assoc. 4177 S: Also classified K1II, K4Ib-II, K5Ib. D: Fixed. Combined mag., colors. Companion A-type. 4179 D: Optical. 4180 D: Probably CPM. B is B8. C, 11.2v at 20" from B. G: Red star Pleiades group. 4184 VAR: SRb 5.98 - 6.16V, 150d. G: Wolf 630 group. 4185 VAR: 1.668d, 0.05V. D: @Greek(l) 4200 star. G: IC 2602 #27. 4188 SB: 10.04d, K 140k/s, V@-(0) +75k/s, asini 19.3. Period questioned. G: HII region. M: One of only four WR stars bright enough to have been observed spectroscopically in UV by COPERNICUS. 4189 D: Companions optical. 4191 SB: Component B of visual double. RV amp. 45k/s. D: AB CPM. B is GC 14751, dG0. 4193 SB: ADS 7902A. D: AB binary. B is K0III. 4195 S: Technetium found in spectrum. VAR: Lb 5.89 - 6.5v. 4196 G: IC 2602 #33. 4198 G: Car OB1; in cluster CR 228; nebulosity. 4199 C: Color excess E(B-V) = +0.06. S: Lyman @Greek(b) observed from COPERNICUS. Nitrogen enhanced. Moderately He-rich. VAR: Spectrum var., 0.7045d. Vsini 202k/s. High speed mass ejection. G: In cluster IC 2602 #37. 4200 S: Also classified K3Ib. 4201 D: Sep. 0.03". 4202 G: @Greek(h) Cep group. 4204 G: IC 2602 #40. 4205 G: IC 2602 #41; Sco-Cen assoc? M: Old disk population runaway star. 4206 G: Sco-Cen assoc. 4207 N: 37 Sex in Leo. 4210 C: Infrared color excess. VAR: Comp. A of double. SN? -0.8 - 7.9v. Abs. mag. -14 in 1843. Massive star surrounded by expanding gas and dust shell. G: HII region R51; may be member of cluster TR 16. 4211 D: CPM with HR 4212. 4212 D: CPM with HR 4211. 4216 D: 2.7 G5III, 6.4 G2V, 116.24y, a = 1.437". G: Sirius group? 4217 SB: Comp. A of visual double. Equal components. 4219 S: Possible H@Greek(a) emission. G: IC 2602 #48. 4220 G: IC 2602 #49. 4221 M: Old disk population runaway star. 4222 G: IC 2602 #51; member of the local association (Pleiades group); Sco-Cen assoc. 4226 VAR: Amp. 0.09 in (B-V). 4228 G: Car OB1. 4234 G: Probable member of Sco-Cen cluster. M: Old disk population runaway star. 4237 SB: 6.1670d, nearly circular orbit. asini 3.9. 4245 G: Wolf 630 group. 4246 G: Hyades group. 4247 N: Praecipua. G: Wolf 630 group. 4248 SB: 15.8307d, K 22.2k/s, V@-(0) -18.7k/s, asini 4.59. 4249 D: CPM. Companion 8.75V, +0.58(B-V), +0.01(U-B), G0V, RV = +18k/s. 4250 S: H@Greek(a) emission. 4251 VAR: Amp. 0.2V. D: B, optical. 4253 D: Suspected visual binary unresolved by speckle interferometry. G: Hyades group. 4254 S: Also classified F0III. 4256 N: 47 LMi in UMa. 4257 VAR: 3.76 - 3.80V. 4259 D: Binary with HR 4260. Colors for combined light. Blended mag. 4.32V. 4260 D: See HR 4259. 4262 S: H@Greek(a) emission. 4263 S: Magnetic field. 4264 G: Wolf 630 group. 4265 S: Also classified F3V. SB: ADS 7982A. D: AB 6.1 F2III, 8.0, 128.34y, a = 0.823", or 90y, a = 0.75. Visual primary is occultation double, sep. 0.001". DYN: ".030. 4267 VAR: Lb? 5.69 - 6.03V. 4271 VAR: Cst? 7.00B. 4274 VAR: Amp. 0.02B, 0.150d. 4275 VAR: 6.0 - 7.4p. Faint only Feb. 6, 1943. 4276 VAR: C@Greek(d) 5.72 - 6.94V, 38.7681d. Period varies. 4287 N: Alkes. G: 61 Cyg group. 4288 S: Also classified F0m, F0IV, Am. 4291 S: BaII star? 4294 D: Optical. 4295 N: MERAK; Mirak. G: "Dipper Stars;" UMa cluster; Sirius group; UMa stream. 4301 N: DUBHE; Dubb; Ak. S: Balloon-borne spectrometer revealed pronounced emission of MgII. VAR: ADS 8035A; B also var. suspect 101175, too close to primary to be certain of variability. SB: 44.0y, K 2.0k/s, V@-(0) -8.7k/s, asini 414. Unresolved by speckle interferometry. D: 1.87 K0III, 4.81 F0V, 44.4y, a = 0.603". Combined mag., colors. Also CPM at 280" with HD 95638 = GC 15179, 7.12v F8; SB, 6.04d. DYN: ".039. 4302 D: Unresolved by speckle interferometry. 4305 D: CPM. 4309 D: AB, CPM. 4314 D: 5.6 F4V, 5.7 F4V, 7.40y, a = 0.140". Combined mag., colors. DYN: ".023. 4317 VAR: EB 5.6 - 5.9p, 16.538d. SB: 2.2677d, K 123.3k/s, V@-(0) +30.6k/s, msin@+(3)i 3.40, asini 3.84. Nearly equal components. M: Blue straggler. 4322 SB: 40.45d, K 18k/s, V@-(0) -2.9k/s, asini 9.96. 4323 VAR: 7.2 - 7.37B. 4327 VAR: Amp. 0.04V, 2.46d. RV: Two determinations, one +5, other -5k/s. 4329 G: Sco-Cen assoc. VAR: Amp. 0.02b. 4330 S: Probable magnetic star. VAR: Large spectrum var. within 1d. 4333 VAR: Lb? 5.79 - 5.95V. G: @Greek(z) Her group. 4336 G: @Greek(e) Ind group. 4337 VAR: 3.9 - 3.95V. May be cst. G: Car OB2; NGC 3532. 4338 VAR: Amp. 0.055y, 15 - 20d cycles. Also var. H@Greek(a) profiles indicating chromospheric activity. 4347 D: 6.7 B9V, 7.1 A1V, 233.0y, a = 0.383". Astrometric binary. Combined mag., colors. 4350 G: Sco-Cen assoc. 4351 D: Fixed sep. 4352 VAR: 4.58 - 4.62V, possibly cst. D: Fixed sep. G: Car OB2; probable member of NGC 3572a. 4357 N: Zosma; Zozma; Zosca; Zozca; Duhr; Dhur; Zubr