HR Flamsteed Bayer Constellation Henry Draper SAO Multiple ADScatalog ADScomponents VariableID RA2000hr RA2000min RA2000sec Dec2000deg Dec2000min Dec2000sec VisualMag B-V ColorMag U-B ColorMag SpecType SpecTypeCode DoubleMagsDiff Separation MultiID MultipleCount Double1 Double2 Double3 Double4 Double5 Double6 Parallaxes Group1 Names1 Names2 Spectra1 Variability1 Variability2 Variability3 Variability4 897 The 1Eri 18622 216113 W A 1002 2 58 15.7 -40 18 17 3.24 0.14 0.14 A4III 1.1 8.3 "Binary with HR 898. Uncertain which component var. Combined mag. HR 897/8, 2.91V; combined colors, +0.125(B-V)," +0.13(U-B). "0.016""." ACAMAR. 472 Alp Eri 10144 232481 Var 1 37 42.9 -57 14 12 0.46 -0.16 -0.66 B3Vpe v Member of Pleiades group. ACHERNAR. Lyman alpha and Lyman beta observed from COPERNICUS. H alpha and H beta var. emission and possible high-velocity mass "EB or Ell, amp. 0.02V. H alpha var. emission and possible high-velocity mass loss. Expanding circumstellar shell." 219 24 Eta Cas 4614 21732 671 0 49 6 57 48 57 3.44 0.57 0.01 F9V+dM0 4 11.6 AB 8 "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. Component B, 7.51V, +1.39(B-V), +1.03(U-B)." "0.177""." "Achird, according to Becvar; Allen says ""unnamed""." 4730 Alp 1Cru 108248 251904 W A 12 26 35.9 -63 5 57 1.33 -0.24 -1.03 B0.5IV 0.4 4.4 AB 3 "AB 1.35 B0.5IV, 1.75 B3n or B0.5Vn, q = 0.916"". Mag. and colors for blend of HR 4730-31, 0.76V, -0.25(B-V), -1.00(U-B)," -0.24(R-I). Masses 14 and 10 solar for hyperbolic orbit with periastron distance 61 AU. "HII region. Although there is disagreement in the RV of HR 4730, 4731, they are both members of the Sco-Cen assoc." ACRUX. 3572 65 Alp Cnc 76756 98267 7115 4327 8 58 29.2 11 51 28 4.25 0.14 0.15 A5m 0 0.1 3 "ADS 7115A is questioned close double. Combined mag., colors, 5.0, 5.0v, sep. 0.1"". B is 10.8v at 11"", binary." "0.029""." Sirius group? Acubens; Sertan; Sartan. Spectrum shows phosphorus. 2618 21 Eps CMa 52089 172676 5654 6 58 37.5 -28 58 20 1.5 -0.21 -0.93 B2II 6.4 7.5 Fixed sep. Member of Pleiades group. ADARA; ADHARA. Lyman alpha observed from COPERNICUS. 4031 36 Zet Leo 89025 81265 W 4804 10 16 41.4 23 25 2 3.44 0.31 0.2 F0III 2.3 325.9 Primary unresolved by speckle interferometry 1982.17. Sirius group; UMa stream. Adhafera; Aldhafara; Aldhafera. 390 46 Xi And 8207 37155 1 22 20.4 45 31 44 4.88 1.08 0.99 K0-IIIb Adhil. 5267 Bet Cen 122451 252582 W Bet Ce 14 3 49.4 -60 22 23 0.61 -0.23 -0.98 B1III v 3.2 1.3 Sco-Cen assoc. AGENA; HADAR. Lyman alpha observed from COPERNICUS; spectra revealed MgII emission. "Beta C? Amp. 0.07V, 0.157d, modulation 352d. Line profiles also vary per. 0.157d." 7116 32 Nu 1Sgr 174974 187426 11794 18 54 10.2 -22 44 42 4.83 1.41 1.23 K2I+B9V: 5.8 2.5 AB 3 "AB fixed, combined mag., colors. C, 11.21V, +1.25(B-V), +1.20(U-B), at 28""." Ain al Rami. 1409 74 Eps Tau 28305 93954 W 4 28 37 19 10 49 3.53 1.01 0.88 G9.5IIICN0.5 7 181.6 In Hyades cluster; Mel 25 #70. Ain; Oculus Boreus. 1605 7 Eps Aur 31964 39955 3605 Eps Au 5 1 58.1 43 49 24 2.99 0.54 0.33 F0Iae+B v 6.2 207.6 AE 6 "ADS 3605A. A* 2.98 var. A8Iap. 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""." Al Anz; Almaaz. Shell star. Also classified A8Ia-F2epIa + B. "ADS 3605A, EA 2.94 - 3.83V, 9892d. Spectrum var. even outside eclipse. RV and light fluctuations about 110d." 8591 29 Rho 2Cep 213798 10402 22 29 52.9 78 49 27 5.5 0.06 0.07 A3V Al Kalb al Rai. 3731 1 Kap Leo 81146 80807 7351 4478 9 24 39.3 26 10 56 4.46 1.23 1.31 K2III 5.1 2.5 AB 3 AB binary. Al Minliar al Asad. "NSV 4478 is ADS 7351B, 9.5 - 11.5v." 3418 5 Sig Hya 73471 116988 8 38 45.4 3 20 29 4.44 1.21 1.28 K1+III Al Minliar al Shuja; Minchir. 7298 20 Eta Lyr 180163 68010 12197 11839 19 13 45.5 39 8 46 4.39 -0.15 -0.65 B2.5IV 4 28.3 AB 3 "B is A0, optical." Aladfar. 6903 2 Mu Lyr 169702 66943 18 24 13.8 39 30 26 5.12 0.03 0.08 A3IVn Alathfar; Al Athfar. 7264 41 Pi Sgr 178524 187756 W 11769 19 9 45.8 -21 1 25 2.89 0.35 0.22 F2II 0 0.1 AB 3 "AB, combined mag., colors, sep. 0.093"". Third component 6.0v at 0.4""." Red star Pleiades group. Albaldah; Al Baldah. 7950 2 Eps Aqr 198001 144810 20 47 40.6 -9 29 45 3.77 0 0.02 A1V Albali; Al Bali. 7417 6 Bet 1Cyg 183912 87301 12540 A 12105 19 30 43.3 27 57 35 3.08 1.13 0.62 K3II+B9.5V 2 34.7 AB 3 "7270.2y, a = 62.90"". Binary with HR 7418. vsini of B-type component of ADS 12540A 50:k/s. Component C, 11v at 50""." "Two additional components of A resolved by speckle interferometry: Aa 1981.70, sep. 0.42""; Ap 1978.41, sep. 0.12"" and" "1979.46, sep. <0.08""." "0.009""." ALBIREO. 4623 1 Alp Crv 105452 180505 12 8 24.8 -24 43 44 4.02 0.32 -0.02 F2III-IV Sirius group? UMa stream. Alchiba; Alchita; Al Minliar al Ghurab; Al Chiba. Metal-deficient. 5062 80 UMa 116842 28751 6238 13 25 13.5 54 59 17 4.01 0.16 0.08 A5V CPM with HR 5054-5. """Dipper Stars;"" Sirius group; UMa stream; UMa moving cluster." ALCOR; Saidak. Delta Sct. 1165 25 Eta Tau 23630 76199 W 3 47 29.1 24 6 18 2.87 -0.09 -0.34 B7IIIe 1.6 0 O 5 "Component A is occultation double, sep. 0.031"". B, C, D, 8.1 A0V, 8.1 Am(A5/F0/F2) and 8.7v F2V 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." Pleiades cluster; Mel 22 #1432; in reflection nebula; Pleiades nebula; member assoc. Tau R1 at 110 pc. ALCYONE. The brightest of the Pleiades. 1457 87 Alp Tau 29139 94027 3321 Alp Ta 4 35 55.2 16 30 33 0.85 1.54 1.9 K5+III v 9.8 121.7 AC 6 "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." "0.048""." Hyades group. ALDEBARAN; Cor Tauri; Parilicium. "IR emission envelope diam. 10"". MgII emissions indicate a cooler shell surrounding the supergiant." Lb 0.75 - 0.95V. Var. H and K emission. 8162 5 Alp Cep 203280 19302 14858 13660 21 18 34.8 62 35 8 2.44 0.22 0.11 A7V 9.1 206.8 AB 4 ALDERAMIN; Alderaimin. "ADS 14858A, Delta Sct?, 2.41 - 2.47V." 6396 22 Zet Dra 155763 17365 S 17 8 47.2 65 42 53 3.17 -0.12 -0.43 B6III Aldhibah; Eldsib (rarely used). C1 neutral carbon continuum shows discontinuities in UV. 7254 Alp CrA 178253 210990 19 9 28.3 -37 54 16 4.11 0.04 0.08 A2V Alfecca Meridiana. 8238 8 Bet Cep 205021 10057 15032 Bet Ce 21 28 39.6 70 33 39 3.23 -0.22 -0.95 B1IV v 4.6 13.4 AB 3 "ADS 15032AB, 50y. B, 7.84V, +0.18(B-V), +0.06(U-B), A2.5V, vsini 60:k/s. Third component discovered by speckle" "interferometry, mag. diff about 4v. Sep. 0.025"". Possible circumstellar material." "0.004""." Cep OB1. Alfirk; Alphirk. "ADS 15032A, Beta C 3.16 - 3.27V, 0.1904881d, modulation period 10.893d. SiIV and CIV vary. Satellite UV obs." "indicate temp. varies 1340d, max./min. radius 1.038." 39 88 Gam Peg 886 91781 W Gam Pe 0 13 14.2 15 11 1 2.83 -0.23 -0.87 B2IV 8.9 163.4 AB 3 ALGENIB. Lyman beta observed from COPERNICUS. Chlorine in spectrum. "Beta C 2.80 - 2.87V, 0.1517495d." 4057 41 Gam 1Leo 89484 81298 7724 A 4823 10 19 58.3 19 50 30 2.61 1.15 1 K1-IIIbFe-0.5 1.2 4.5 AB 4 "Component C is the flare star AD Leo (8.07-11.00B) at 5', optical." "0.013""." Gamma Leo group. ALGIEBA; Algeiba; Al Gieba. Originally confused with eclipsing star Y Leo when var. suspect number 6777 was assigned in 1965. Now HR 4057 is again "suspected of variability, 1.84 - 2.03V for combined HR 4057/8. Uncertain which component is the variable." 936 26 Bet Per 19356 38592 2362 Bet Pe 3 8 10.1 40 57 20 2.12 -0.05 -0.37 B8V 8.3 81.9 AD 6 "A* var. B8V, 1.858y, a = 0.011"" or 1.862y, a = 0.104"". Apparent apsidal period 28.4y or 32y. 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." ALGOL; Gorgona; Gorgonea Prima; Demon Star; El Ghoul. B8V+G. "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" "a complicated system than most of the Algol-type stars, i.e., 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 desig-" 4757 7 Del Crv 108767 157323 8572 A 5656 12 29 51.9 -16 30 56 2.95 -0.05 -0.09 B9.5V 5.3 24.4 "CPM. B is K2Ve, lithium strong." Pleiades group. Algorab; Algores; Algoral; Algorel. "uv indicates dB9.5, CIff." ADS 8572A. 2421 24 Gam Gem 47105 95912 W 6 37 42.7 16 23 57 1.93 0 0.04 A0IV 9 143.5 AC 3 "A* 1.93 A0IV, 12.9y, a = 0.038""." ALHENA. 4905 77 Eps UMa 112185 28553 Eps UM 12 54 1.7 55 57 35 1.77 -0.02 0.02 A0pCr """Dipper Stars;"" Sirius group; UMa stream; UMa moving cluster." ALIOTH; Aliath. Also classified A0pCrMn. "Alpha CV 1.76 - 1.79V, 5.0887d. Spectrum variable. Photometric var. due to UV absorption from overabundant metals." 5191 85 Eta UMa 120315 44752 6450 13 47 32.4 49 18 48 1.86 -0.19 -0.67 B3V Cas-Tau OB1; member of Pleiades group. ALKAID; Benetnash; Benetnasch; Elkeid. Lyman alpha observed from COPERNICUS. 5733 51 Mu 1Boo 137391 64686 9626 A 7063 15 24 29.4 37 22 38 4.31 0.31 0.07 F2IVa 2.2 108.9 AxBC 3 "Probably binary with HR 5734, a close binary ADS 9626BC." Alkalurops; Inkalunis; Icalurus; Clava; Venabulum. Delta Sct? 4287 7 Alp Crt 95272 156375 10 59 46.5 -18 17 56 4.08 1.09 1 K0+III 61 Cyg group. Alkes. 8417 17 Xi Cep 209790 19827 15600 A 22 3 47.4 64 37 40 4.29 0.34 0.09 A3/6Vm 2 7.7 AB 3 "AB 4.61 A3m, 6.5 F7V or F3III-IV, 3800y, a = 11.5"". Aa, 2.254y, a = 0.073"". Component B is HD 209791 = GC 30876," "vsini =<25k/s. Component C, 12.7v at 97"" optical." "0.038""." Hyades group. Alkurhah; Al Kirdah; Kurhah. K/H/m yield classes A3/F1/F2 respectively. 603 57 Gam 1And 12533 37734 1630 A 2 3 54 42 19 47 2.26 1.37 1.58 K3-IIb 2.8 9.6 AxBC 4 CPM with HR 604. Red star Pleiades group. ALMAAK; Almach; Alamak; Almak; Almaach. 8425 Alp Gru 209952 230992 W 14040 22 8 14 -46 57 40 1.74 -0.13 -0.47 B7IV e 10.1 28.4 Member of Pleiades group. ALNAIR; Al Nair. C1 neutral carbon continuum shows discontinuities in UV. COPERNICUS spectra revealed MgII emission. 1791 11 Bet Tau 35497 77168 W 5 26 17.5 28 36 27 1.65 -0.13 -0.49 B7III 33.4 Member of Pleiades group. "ALNATH; EL NATH; Nath. Beta Tau is also Gamma Aur, in Taurus." Manganese star. 1903 46 Eps Ori 37128 132346 W Eps Or 5 36 12.8 -1 12 7 1.7 -0.19 -1.04 B0Ia e 8.7 179.9 Ori OB1b2; Orion belt; cluster NGC 1980; nebulosity. ALNILAM; Alnihan; Alnitam. "Nitrogen deficient. Interstellar Lyman alpha absorption observed by AEROBEE rocket. Walborn declares ""no e"", but" Alpha Cyg 1.64 - 1.74V. 1948 50 Zet Ori 37742 132444 4263 A 2553 5 40 45.5 -1 56 34 2.05 -0.21 -1.07 O9.7Ib e 2.2 2.4 AB 3 "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"", possibly physical." "0.004""." Ori OB1b1; Orion belt; exciting star of HII region S277; HII region; IC 434. ALNITAK; Alnitah. Nitrogen deficient. Interstellar Lyman alpha absorption observed by AEROBEE rocket. Also classified O9.5Ib and "ADS 4263. Uncertain which component, HR 1948 or 1949, is the variable suspect." 6084 20 Sig Sco 147165 184336 10009 Sig Sc 16 21 11.3 -25 35 34 2.89 0.13 -0.7 B1III 2 0 O 4 "B, 8.26V, +0.25(B-V), -0.23(U-B), B9.5V at 20"", optical; vsini : 54k/s. The visual primary is triple: SB, 3.3, 5.3v," "sep. 0.0005"" and 5.5v at 0.49"", discovered by occultation." Sco OB2; Sco-Cen cluster; upper Sco region; HII region S9; in reflection nebula; assoc. Sco R1. Alniyat; Al Niyat. Name applies to pair with HR 6165. "Stationary Ca lines. Although this star is an MK standard for class B1III, it is a variable, a multiple star, and is" "Beta C 2.94 - 3.06B. Multiple periods, 0.2468429, 0.239671, 8.2, and 33.1d. Surrounded by HII region. Primary" period varies in period of 23.2y with an amp. of 0.7 sec. Occultations indicate the variable has a 2.2 mag. fainter "companion at 0"".49. The duplicity had been suspected from occultations as early as 1860. Orbital period probably over" 112 yrs. UV observations indicate temperature varies by 2510K and ratio max. to min. radius by 1.095. 3748 30 Alp Hya 81797 136871 W 4496 9 27 35.2 -8 39 31 1.98 1.44 1.72 K3II-III 7.5 283.1 AB 3 ALPHARD; Alfard; Alphart; Kalbelaphard; Cor Hydrae. Balloon-borne spectrometer revealed pronounced emission of MgII. 5793 5 Alp CrB 139006 83893 Alp Cr 15 34 41.3 26 42 53 2.23 -0.02 -0.02 A0V+G5V Sirius group; UMa stream. ALPHEKKA; Alphecca; Alphacca; Gemma; Gnosia; The Jewel; Gnosia Stella Coronae; Ashtaroth. "EA 2.21 - 2.32B, 17.359907d. Possibly also intrinsic var." 15 21 Alp And 358 73765 94 Alp An 0 8 23.3 29 5 26 2.06 -0.11 -0.46 B8IVpMnHg v 8.5 81.5 Pleiades group. ALPHERATZ; Alpherat; Sirrah; Sirah. Also formerly called Delta Peg. Gallium II lines strong. HgMn star. Spectrum appears earlier at shorter wavelengths. "Alpha CV 2.02 - 2.06V, 0.9636 or 0.966222d. Some spectral lines vary same period, others half period, some nonvariable." 8974 35 Gam Cep 222404 10818 14656 23 39 20.8 77 37 57 3.21 1.03 0.94 K1III-IV Alrai; Arrai; Errai; Er Rai. 596 11 Alp Psc 12447 110291 1615 A 705 2 2 2.8 2 45 49 4.33 0.03 -0.05 A0pSiSr 1 4 "4.18 A2p, 5.21 Am, 933.05y, a = 4.0"". Colors for combined light. Combined mag. 3.82V." "0.017""." Alrisha; Alrischa; Alrescha; El Rischa; Al Richa; Rescha; Okda; Kaitain. "Alpha CV?, 3.79 - 3.83V. Although the NSV identifies the variable as HR 596, the magnitudes given are for the blend of" HR 595/6; uncertain which component is the variable. 7462 61 Sig Dra 185144 18396 W 12176 19 32 21.6 69 39 40 4.68 0.79 0.38 K0V 315.6 Alsafi; Athafi. 3275 31 Lyn 70272 42319 4030 8 22 50.1 43 11 17 4.25 1.55 1.9 K4.5III-IIIb e Alsciaukat; Mabsuthat. UV FeII emission. 7602 60 Bet Aql 188512 125235 13110 12557 19 55 18.8 6 24 24 3.71 0.86 0.48 G8IV 7.7 175 AC 3 "AB binary. B 12v dM3 at 13""." "0.049""." ALSHAIN; Alschairn. "ADS 13110A, amp. 0.05V." 7773 8 Nu Cap 193432 163468 13714 20 20 39.8 -12 45 33 4.76 -0.05 -0.11 B9.5V 7 54.1 CPM. Alshat. 3634 Lam Vel 78647 220878 W Lam Ve 9 7 59.8 -43 25 57 2.21 1.66 1.81 K4.5Ib-II e 12.6 18.2 Alsuhail; Al Suhail al Wazn; Suhail. Ultraviolet FeII emission. Lc 2.14 - 2.22V. 7557 53 Alp Aql 187642 125122 13009 19 50 47 8 52 6 0.77 0.22 0.08 A7V 8.6 165.2 AB 3 Component B optical. ALTAIR; Atair. 3249 17 Bet Cnc 69267 116569 6704 3973 8 16 30.9 9 11 8 3.52 1.48 1.77 K4IIIBa0.5 9.4 29.2 CPM. Altarf; Al Tarf. 3773 4 Lam Leo 82308 80885 4514 9 31 43.2 22 58 5 4.31 1.54 1.89 K5III v Alterf. "Sp. var., 7 - 12d." 6742 Gam 1Sgr 164975 186237 11029 W Sgr 18 5 1.3 -29 34 48 4.69 0.78 0.52 F4-G1Ib v 0 0.1 4 "ADS 11029A is speckle interferometric double, sep. 0.116"". Visual companions, 13.5v at 33"" and 13.5v at 48""." "Although HR 6742 and 6746 are named gamma1 and gamma2 Sgr, respectively, more often 6746 is simply called gamma Sgr" and the Greek letter is omitted for HR 6742. "ADS 11029A, CDelta 4.30 - 5.08V, 7.594710d. Period changes. Spectrum and magnetic field variable. One component of" SB. 2827 31 Eta CMa 58350 173651 W 7 24 5.7 -29 18 11 2.45 -0.08 -0.72 B5Ia 4.5 178.7 "Companion is A0V, optical, vsini =<54k/s." Probable member OB group near Omicron CMa; member Collinder 121 (#34). Aludra. Circumstellar shell. 4375 53 Xi UMa 98231 62484 8119 A 5165 11 18 11 31 31 45 4.41 0.59 0.04 G0V 0.5 3.1 AB 4 "AB 4.32 G0V, 4.79 G0V, 59.840y, a = 2.530"". Combined colors. Mag. for blend 3.79V. AB, first visual double for which an" "orbit determined, in 1828 by Savary. Third component astrometric with A, 1.832y, a = 0.055""." "0.120""." Alula Australis. See HR 4374. 4377 54 Nu UMa 98262 62486 8123 11 18 28.7 33 5 39 3.48 1.4 1.55 K3-IIIBa0.3 6 7.2 CPM. "0.005""." Alula Borealis. 7141 63 The 1Ser 175638 124068 11853 A 11557 18 56 13.2 4 12 13 4.62 0.17 0.09 A5V 0.4 22.2 AB 3 Binary with HR 7142. "0.019""." Hyades group. Alya; Alga. 4.59 - 4.72V. 2484 31 Xi Gem 48737 96074 3193 6 45 17.4 12 53 44 3.36 0.43 0.06 F5III Alzirr. Delta Sct? 8499 43 The Aqr 211391 145991 22 16 50 -7 47 0 4.16 0.98 0.81 G8III-IV Ancha. 182 M 31 And S And Andromeda Nebula. "The supernova S And appeared in M31 in 1885, 5.7v at max." 850 2 Tau 2Eri 17824 168094 2179 2 51 2.3 -21 0 15 4.75 0.91 0.63 K0III 10.2 46.7 Angetenar; Al Anchat al Nahr; Anchat. 99 Alp Phe 2261 215093 A 0 26 17 -42 18 22 2.39 1.09 0.88 K0III 0.1 "A* 2.38 K0III, 10.538y, a = 0.072""." ANKAA; Nair al Zaurak; Cymbae; Lucida Cymbae; Head of Phoenix. 7405 6 Alp Vul 183439 87261 W 12069 19 28 42.3 24 39 54 4.44 1.5 1.81 M0III 1.4 413.7 Secondary K0. "Arcturus group. Same space motion as Arcturus, HR 5340." Anser (rarely used). 6134 21 Alp Sco 148478 184415 10074 Alp Sc 16 29 24.4 -26 25 55 0.96 1.83 1.34 M1.5Iab-Ib+B4Ve 4.2 2.9 "Var. M1Ib, 5.5 B2.5V, 878y, a = 2.90"", masses 15.5 and 7.0 solar. Companion is radio source. SKYLAB confirms cool star," hot companion. "0.011""." Sco OB2; Sco-Cen stream; in reflection nebula; assoc. Sco R1; dust shell beyond 12 R. ANTARES; Cor Scorpii; Kalb al Akrab; Vespertilio. Ultraviolet FeII emission. 5-micrometer observations indicate carbon monoxide. "ADS 10074A, SRc 0.88 - 1.8V, 1733d. Possibly considerably fainter before 150 A.D.: see HR 5685." 5340 16 Alp Boo 124897 100944 6603 14 15 39.7 19 10 57 -0.04 1.23 1.27 K1.5IIIFe-0.5 v Arcturus group. ARCTURUS; Haris-el-sema. H and K emission vary. 7343 Bet 2Sgr 181623 229654 19 23 13.2 -44 47 59 4.29 0.34 0.07 F2III Arkab Posterior; Arkab or Urkab with HR 7337. 7337 Bet 1Sgr 181454 229646 W 19 22 38.3 -44 27 32 4.01 -0.1 -0.39 B9V 3.3 28.3 "CPM. Companion A5V; vsini 129k/s, optical?" Arkab Prior; Arkab or Urkab with HR 7343. 1865 11 Alp Lep 36673 150547 4146 2128 5 32 43.8 -17 49 20 2.58 0.21 0.23 F0Ib 8.5 35.8 AB 3 ARNEB. Probable magnetic star. 6370 21 Mu Dra 154906 30239 10345 A 17 5 19.7 54 28 13 5.8 0.48 0.05 F7V 0.1 2 AB 3 "AB 5.65, 5.70, combined spectrum F7V, 672y, a = 3.945"" or 472.07y, a = 3.143"", masses 1.3, 1.3 solar. Combined colors." "Mag. for blend, 4.92V. C, 13v at 14"" physical: revolution about AB on order 4000y." "0.039""." Arrakis; Errakis; Al Rakis; El Rakis. Blended with HR 6369. 7194 38 Zet Sgr 176687 187600 11950 19 2 36.7 -29 52 49 2.6 0.08 0.06 A2III+A4IV 0.3 0.5 AB 3 "AB 3.2 A2III, 3.4 A2V, 21.138y, a = 0.532""." "0.040""." Ascella. 3461 47 Del Cnc 74442 98087 6967 8 44 41.1 18 9 15 3.94 1.08 0.99 K0III-IIIb 7.5 38.4 "AP, suspected double, unresolved by speckle interferometry. Visual companion 12.2v at 38"" optical." Asellus Australis. 3449 43 Gam Cnc 74198 80378 W 8 43 17.1 21 28 7 4.66 0.02 0.01 A1IV 4 106.3 AB 5 Component A suspected occultation double. Three visual companions. Hyades group. Asellus Borealis. 5404 23 The Boo 126660 29137 W 6669 14 25 11.8 51 51 3 4.05 0.5 0.01 F7V 7 69.5 CPM. Wolf 630 group; NGC 457. Asellus Primus. 5350 21 Iot Boo 125161 29071 9198 A Iot Bo 14 16 9.9 51 22 2 4.75 0.2 0.06 A9V 3.5 38.7 AB 3 AB CPM? B is K0V. Asellus Secondus. "Delta Sct 4.73 - 4.78V, amp. 0.025B, about 40 min." 5329 17 Kap 2Boo 124675 29046 9173 A Kap2 B 14 13 29 51 47 25 4.54 0.2 0.14 A8IV 2.2 13.4 Binary with HR 5328. "0.017""." Sirius group? UMa stream. Asellus Tertius. "ADS 9173A, Delta Sct 4.50 - 4.58V, 0.06682 or 0.076242d. Possible beat period of about 16d." 1151 21 Tau 23432 76159 1283 3 45 54.4 24 33 17 5.76 -0.04 -0.23 B8V Pleiades cluster; Mel 22 #817. Asterope. Sterope I. 1131 38 Omi Per 23180 56673 2726 Omi Pe 3 44 19.1 32 17 18 3.83 0.05 -0.75 B1III 2.8 1 "Binary. Combined mag., colors. Rotational velocity B, 150:k/s. Unresolved by speckle interferometry 1982.16." "0.005""." Per OB2 (not a member). Embedded in reflection nebulosity. In cluster IC 348. Atik; Ati; Al Atik. "Ell 3.79 - 3.85V, 4.419171d, possibly half." 1178 27 Tau 23850 76228 2786 1345 3 49 9.7 24 3 12 3.63 -0.09 -0.36 B8III 1.5 0 A 3 "Component A SB, 4.1, 5.6, sep. 0.006"" and 0.019"". B, 6.8v at 0.4""." Pleiades cluster; Mel 22 #2168. Atlas. 4910 43 Del Vir 112300 119674 W 6026 12 55 36.2 3 23 51 3.38 1.58 1.78 M3+III e 7 164.5 "Auva; Minelauva in Becvar, a name Smyth assigned Beta Vir = HR 4540." Ultraviolet FeII emission. 3307 Eps Car 71129 235932 4058 8 22 30.8 -59 30 35 1.86 1.28 0.19 K3III+B2:V Avior. Also classified K0II + B2. "E? 1.82 - 1.94V, 3.57 - 3.83p, 785:d." 8301 80 Pi 1Cyg 206672 33665 21 42 5.7 51 11 23 4.67 -0.12 -0.68 B3IV Azelfafage. 874 3 Eta Eri 18322 130197 988 2 56 25.7 -8 53 53 3.89 1.11 1 K1-IIIbBa0.2: Wolf 630 group. Azha. 3045 7 Xi Pup 63700 174601 6393 7 49 17.7 -24 51 35 3.34 1.24 1.16 G6Iab-Ib 9.5 5.1 "Azmidiske; Asmidiske, a name more properly applied to HR 3699 according to Allen." Also classified G3Ib. 8450 26 The Peg 210418 127340 14057 22 10 12 6 11 52 3.53 0.08 0.1 A2Vp Baham; Biham. "Lambda Boo star, Mg 4481, Fe wk." Delta Sct? 539 55 Zet Cet 11353 148059 W 638 1 51 27.6 -10 20 6 3.73 1.14 1.07 K0IIIBa0.1 6.2 187 Second visual component optical. Baten Kaitos. 859 17943 130160 2 52 50.5 -9 26 28 6.32 0.19 0.12 A7IV Bayer's Sigma Eri in this position: no Sigma found in any other source. 4853 Bet Cru 111123 240259 W Bet Cr 12 47 43.2 -59 41 19 1.25 -0.23 -1 B0.5III 6 371.6 AC 3 "Interferometer measures indicate close double or multiple star. Component B, 11.4v, F8V, optical; C, 7.5v, B8." Probable member of Sco-Cen cluster; member of Sco-Cen assoc.; member of Pleiades group. Becrux; MIMOSA. "Beta C 1.23 - 1.31V, multiple periods, 0.2365072d, 0.160474d, 0.121383d, 6d, 7 - 8y and others." 1298 38 Omi 1Eri 26574 131019 Omi1 E 4 11 51.9 -6 50 15 4.04 0.33 0.13 F2II-III Beid. "Delta Sct 4.00 - 4.05V, 0.0815d. Secondary per. 0.1291d." 1790 24 Gam Ori 35468 112740 W 1972 5 25 7.9 6 20 59 1.64 -0.22 -0.87 B2III 10.5 179 Ori OB1. BELLATRIX; the Amazon Star. 2061 58 Alp Ori 39801 113271 4506 Alp Or 5 55 10.3 7 24 25 0.5 1.85 2.06 M1-2Ia-Iab e 9.9 174.4 AE 6 "Components B-E all 11 to 14.5v at sep. 40"" to 174"" from A. D 13.5 at 77"", optical. Speckle interferometric observations" "in 1983 November (Karovska et al. 1986, ApJ, 308, 360) show A to be a triple system with closer companion at 0.06""" "(mag. diff. 3.4 at H alpha) and more distant companion at 0.51"" (mag. diff. 4.6 at H alpha)." BETELGEUSE; Betelguex; Betelgeuze; Beteiguex; Al Mankib. Ultraviolet FeII emission. 5-micron observations indicate carbon monoxide. STRATOSCOPE II observations indicate infrared "ADS 4506A, SRc 0.40 - 1.3V, 2335d. Also superimposed waves 200-400d." 5958 143454 84129 W T CrB 15 59 30.2 25 55 13 2 0.1 sdBe+gM3+Q 0.2 Visual companion doubtful. Blaze Star. "Nr 2.0 - 10.8v, 29000d? Outbursts 1866 and 1946. V and B-V for 1946 maximum. Near maximum 9.88V, +1.40(B-V)," +0.59(U-B). 951 57 Del Ari 19787 93328 1066 3 11 37.8 19 43 36 4.35 1.03 0.87 K2III v Hyades group. Botein. 5603 20 Sig Lib 133216 183139 Sig Li 15 4 4.2 -25 16 55 3.29 1.7 1.94 M3-III e "Brachium; Cornu; Zuben el Genubi; Zuban al Akrab; Zuben Hakrabi. Sigma Lib is also Gamma Sco, in Lib." Ultraviolet FeII emission. "SRb 3.20 - 3.46V, 20d." 2227 5 Gam Mon 43232 133012 4853 6 14 51.3 -6 16 29 3.98 1.32 1.41 K1.5IIIBa0.3 9 51.4 Called Alpha Mon in BAC and many early catalogues. Now HR 2970 is called Alpha Mon. 3113 65456 198636 3830 7 57 40.1 -30 20 5 4.79 0.15 0.18 A2V v Pleiades group. Called Chi Argo by Argelander. Not named in Lacaille or BAC. Position agrees with Chi in Bayer (Puppis area). 542 45 Eps Cas 11415 12031 652 1 54 23.7 63 40 12 3.38 -0.15 -0.6 B3III Cas-Tau OB1; member of Pleiades group. "Called Segin in Becvar; Allen gives Ruchbah, a name more commonly applied to HR 403." Helium weak. Shell star. Usually classified B3Vp. 2326 Alp Car 45348 234480 6 23 57.1 -52 41 45 -0.72 0.15 0.1 F0II Red star Pleiades group. CANOPUS; Suhel; Suhail. Probable magnetic star. 1708 13 Alp Aur 34029 40186 3841 1897 5 16 41.4 45 59 53 0.08 0.8 0.44 G5IIIe+G0III v 0.5 0 AP 10 "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. Speckle" "sep. 0.040"" 1981.24 and 1981.68; 0.055"" 1982.16. CPM with component H, a close binary, 10.0 dM1, 13.7 dM5 sep. 2"" at" "723"" from A, probably physical with A. Other components all faint and distant from A." "0.058""." Hyades group. CAPELLA; Alhajoth. Chromospheric He 10830 double. Balloon-borne spectrometer revealed pronounced emission of MgII. Soft X-ray emission. Amp. 0.03V. Variable helium and X-ray emission. 21 11 Bet Cas 432 21133 107 Bet Ca 0 9 10.7 59 8 59 2.27 0.34 0.11 F2III-IV 11.3 31.3 Caph; Chaph; Kaff; Al Sanam al Nakah. "Delta Sct, amp. 0.03V, 0.10101d." 2891 66 Alp Gem 60179 6175 A YY Gem 7 34 36 31 53 18 1.98 0.03 0.01 A1V 0.9 2 AB 6 "AB 1.98 A1V, 2.88 A5Vm, 511.30y, a = 7.369 or 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." "0.052""." CASTOR; Apollo. "ADS 6175C at 73"" from A, EA 8.91 - 9.60V, 0.81428254d = also SB period. Masses each component 0.64 solar. Both" "components flare stars, M1Ve + M1Ve." 6603 60 Bet Oph 161096 122671 17 43 28.4 4 34 2 2.77 1.16 1.24 K2III Possibly close double. Cebalrai; Kelb Alrai; Kabalrai; Cheleb; Celb-al-Rai. 1140 16 Tau 23288 76126 D 1262 3 44 48.2 24 17 22 5.46 -0.04 -0.33 B7IV 2 0 "Suspected occultation binary, sep. 0.0062"". Unresolved by speckle interferometry 1981.69." Pleiades cluster; Mel 22 #447. "Celaeno; Celieno; Celeno; ""Lost Pleiad""." 4785 8 Bet CVn 109358 44230 S 5725 12 33 44.5 41 21 27 4.26 0.59 0.05 G0V "Chara is the name assigned either to this star or, more generally, to the ""southern hound"" of the constellation Canes" "Venatici; the northern ""hound"" is called Asterion, a name not generally assigned any particular star." Beta CVn amp. 0.05V. 4359 70 The Leo 97633 99512 5144 11 14 14.4 15 25 46 3.34 -0.01 0.06 A2V Chort; Coxa; Chertan. 4915 12 Alp 2CVn 112413 63257 8706 A Alp2 C 12 56 1.7 38 19 6 2.9 -0.12 -0.32 A0pSiEuHg 2.7 19.4 Binary with HR 4914. "0.015""." Hyades group. COR CAROLI. Oxygen deficient relative to magnesium. A slight underabundance of Mg. Strong Si and Eu lines. Also classified "ADS 8706A, Alpha CV 2.84 - 2.98V, 2.78 - 2.81B, 5.46939d. The prototype star. Var. magnetic field with same rotation" period. 1666 67 Bet Eri 33111 131794 W 1841 5 7 51 -5 5 11 2.79 0.13 0.1 A3III 8 116.7 Sirius group; UMa stream. Cursa; Dhalim; Kursa. 7776 9 Bet Cap 193495 163481 W 20 21 0.7 -14 46 53 3.08 0.79 0.28 F8V+A0 0.3 0 * 8 "Complex system with HR 7775, q.v. Component B, vsini 97k/s. Occultations indicate component A is multiple system: 4.0," "4.3v sep. 0.0002"", 4.8v at 0.022"" and 6.7v at 0.0001"". A also suspected astrometric binary, 3.07 F8V. Possibly also" "two faint 13v components at 112"" discovered by John Herschel." Dabih. Beta1 = Dabih Major; Beta2 = Dabih Minor. "Also classified G0III + B8V, K0II-IIIp + A0, B8V + K0II-III, or G8II + A0V:." 8322 49 Del Cap 207098 164644 15314 Del Ca 21 47 2.4 -16 7 38 2.87 0.29 0.09 Am v 2 0 4 "ADS 15314A. Component A is SB, 3.2, 5.2v, 0.0018""; B, 15.8v, 69""; C 12.7v, 120""." Deneb Algedi; Deneb Algiedi; Scheddi; Sheddi. "Delta Sct spectrum. Also classified Delta Del, A7mIII." "EA (possibly RS CVn type) 2.83 - 3.05V, 1.0227789d. Form of light curve varies." 7852 2 Eps Del 195810 106230 13137 20 33 12.8 11 18 12 4.03 -0.13 -0.47 B6III Member of the local association (Pleiades group). Deneb Dulfim; Deneb el Delphinus. 7235 17 Zet Aql 177724 104461 12026 11724 19 5 24.6 13 51 48 2.99 0.01 -0.01 A0Vn 8.4 158.6 AC 3 "0.020""." Pleiades group. Deneb el Okab; Deneb. Combined with HR 7176. 7176 13 Eps Aql 176411 104318 W 18 59 37.4 15 4 6 4.02 1.08 1.04 K1-IIICN0.5Ba0.2 5.9 131.1 AB 3 Deneb el Okab; Deneb. Names combined with HR 7235. 74 8 Iot Cet 1522 128694 W 123 0 19 25.7 -8 49 26 3.56 1.22 1.25 K1.5III 4.8 108.8 AC 3 "Component B, 12.87v at 63"", optical." Deneb Kaitos Shemali; Deneb Kaitos Al Shamaliyy. 3.46 - 3.56V. 7924 50 Alp Cyg 197345 49941 14172 Alp Cy 20 41 25.9 45 16 49 1.25 0.09 -0.24 A2Ia t 10 75.4 Cyg OB7. DENEB; Deneb Cygni; Deneb el Adige; Arided; Aridif; Gallina; Arrioph. Alpha Cyg 1.21 - 1.29V. Change in H:H epsilon. No emission recorded before 1944. 4534 94 Bet Leo 102647 99809 8314 Bet Le 11 49 3.6 14 34 19 2.14 0.09 0.07 A3V 6.5 264 AD 4 "B, 15.7v at 40"" physical; C, 13v at 80"" optical." DENEBOLA; Deneb Aleet. "Delta Sct?, 2.09 - 2.16V." 334 31 Eta Cet 6805 147632 W 1 8 35.4 -10 10 56 3.45 1.16 1.19 K1.5IIICN1Fe0.5 6.7 233.5 Dheneb; Deneb; Deneb Algenubi. 4968 42 Alp Com 114378 100443 8804 A 6116 13 9 59.3 17 31 46 5.22 0.45 -0.06 F5V 0.1 0.2 AB 3 "AB 5.05 F5V, 5.08 F5V, 25.87y, a = 0.662"". Colors, spectrum for combined light. Mag. of blended HR 4968, 4969 is" "4.32V. ADS 8804A speckle interferometric sep. 0.43"" 1978.40, 0.58"" 1981.47." "0.058""." Diadem. Spectrum blended with HR 4969. "Var. of combined light with HR 4969 not confirmed, but 90d inclination of orbit indicates eclipses possible." 188 16 Bet Cet 4128 147420 272 0 43 35.4 -17 59 12 2.04 1.02 0.87 G9.5IIICH-1 "DIPHDA; Deneb Kaitos; Difda; Difda al Thani; Rana Secunda, the ""Second Frog"" (the ""First Frog"" is Fomalhaut = HR 8728)." 1.96 - 2.11V. 4518 63 Chi UMa 102224 43886 5319 11 46 3 47 46 46 3.71 1.18 1.16 K0.5IIIb "Discordances as to whether Xi or Iota and Kappa UMa (HR 3569, 3594) should be El Koprah, Alkaphrah." Amp. 0.04V? 5953 7 Del Sco 143275 184014 S 16 0 20 -22 37 18 2.32 -0.12 -0.91 B0.3IV 0.2 0.2 O 4 "Possible quadruple system: SB 3.0, 5.0v, sep. 0.00001"", 3.3v at 0.1"", and 4.9v at 0.186""." Sco OB2; Sco-Cen cluster; upper Sco region; HII region. Dschubba; Iclarkrau. 6636 31 Psi 1Dra 162003 8890 10759 A 17 41 56.3 72 8 56 4.58 0.42 0.01 F5IV-V 1.2 30.2 AB 4 "CPM with HR 6637, not shared with components C,D." Dsiban; Dziban. 4301 50 Alp UMa 95689 15384 8035 5070 11 3 43.7 61 45 3 1.79 1.07 0.92 K0IIIa e 3 0.5 "1.87 K0III, 4.81 F0V, 44.4y, a = 0.603"". Also classified K0II-III + A8V:. Combined mag., colors. Also CPM at 280""" "with HD 95638 = GC 15179, 7.12V F8; SB, 6.04d." "0.039""." DUBHE; Dubb; Ak. Balloon-borne spectrometer revealed pronounced emission of MgII. "ADS 8035A; B also var. suspect NSV 5071, too close to primary to be certain of variability." 5744 12 Iot Dra 137759 29520 W 7077 15 24 55.8 58 57 58 3.29 1.16 1.22 K2III 5.7 254.6 Ed Asich; Eldsich; Al Dhiba; Al Dhihi. 1142 17 Tau 23302 76131 D 3 44 52.5 24 6 48 3.7 -0.11 -0.4 B6III e 2 0 "Sep. 0.062"". Occultation of 1972 Mar. 19 indicated mag. diff 3.4, sep. 0.010""." Pleiades cluster; Mel 22 #468; in reflection nebula; Pleiades nebula. Member assoc. Tau R1 at 110 pc. Electra. 8308 8 Eps Peg 206778 127029 15268 Eps Pe 21 44 11.2 9 52 30 2.39 1.53 1.7 K2Ib e 6.1 142.5 AC 3 ADS 15268AB optical. See HR 8232. ENIF; Enf; Enir; Al Anf; Os Pegasi; Fom. Ultraviolet FeII emission. MgII emissions indicate a cooler shell surrounding the supergiant. Barium marginally 0.7 - 3.5V. 1.7m flare 1972 Sept. 26-7; fainter than normal following night. 6705 33 Gam Dra 164058 30653 10923 17 56 36.4 51 29 20 2.23 1.52 1.87 K5III v 8.4 140.1 AG 7 ETAMIN; Etanin; Ettanin; Rastaban; Rasaben; Zenith Star. Ultraviolet FeII emission. Amp. 0.08V. He 10830 variable. 8728 24 Alp PsA 216956 191524 14372 22 57 39.1 -29 37 20 1.16 0.09 0.08 A3V CPM with HR 8721. "FOMALHAUT; Os Piscis Meridiani; Os Piscis Notii; Difda al Auwel, the ""First Frog.""" 963 Alp For 20010 168373 2402 1074 3 12 4.3 -28 59 13 3.87 0.52 0.02 F8V 2.7 3.6 "3.9 F8IV, 6.5 G7V, 314y, a = 4.367"". Combined mag., colors." "0.070""." Fornacis; 12 Eri in For. "ADS 2402B, 7.0 - 9.03v." 8773 4 Bet Psc 217891 127934 14410 23 3 52.6 3 49 12 4.53 -0.12 -0.49 B6Ve v Fum al Samakah. Width of H alpha varies slightly. Rotationally unstable shell star. 2282 1 Zet CMa 44402 196698 W 2927 6 20 18.8 -30 3 48 3.02 -0.19 -0.72 B2.5V 4.6 175.5 Member of the local association (Pleiades group). Furud; Phurud. Beta C? 4763 Gam Cru 108903 240019 W A 5672 12 31 9.9 -57 6 48 1.63 1.59 1.78 M3.5III 5.1 110.6 AB 3 Gacrux. I? Amp. 0.30p. 4434 1 Lam Dra 100029 15532 5231 11 31 24.2 69 19 52 3.84 1.62 1.97 M0IIICa-1 Gianfar; Giansar; Gaiusar; Giauzar; Juza. "SR, 3.78 - 3.86V, about 1100d." 7949 53 Eps Cyg 197989 70474 14274 20 46 12.7 33 58 13 2.46 1.03 0.87 K0-III 9.3 54.9 AB 3 "AB optical. C, 13v at 78"" CPM." "Gienah Cygni; Gienah, also applied to HR 4662." 4662 4 Gam Crv 106625 157176 5515 12 15 48.4 -17 32 31 2.59 -0.11 -0.34 B8IIIpHgMn Hyades group; probable blue straggler. "Gienah Ghurab; Gienah, a name also applied to HR 7949." Expanding circumstellar shell. 2845 3 Bet CMi 58715 115456 W Bet CM 7 27 9 8 17 22 2.9 -0.09 -0.28 B8Ve 7.8 138.7 AE 5 Gomeisa; Algomeyla; Gomelza. Rotationally unstable Be shell star. Gamma Cas 2.84 - 2.92V. 947 28 Ome Per 19656 56224 W 3 11 17.4 39 36 42 4.63 1.11 1.03 K1III 6.1 177.4 Gorgonea Quarta. 879 22 Pi Per 18411 56047 2 58 45.7 39 39 46 4.7 0.06 0.12 A2Vn Gorgonea Secunda. 921 25 Rho Per 19058 56138 Rho Pe 3 5 10.6 38 50 25 3.39 1.65 1.79 M4II Zeta Her group. Gorgonea Tertia. "SRb 3.30 - 4.0V, about 50d with possibly slow var. in mean brightness in 1100d period." 5984 8 Bet 1Sco 144217 159682 9913 A 7424 16 5 26.2 -19 48 20 2.62 -0.07 -0.87 B1V 1.3 0 O 5 "CPM with HR 5985 = ADS 9913C, at 14"" and with B, 5.9v at 0.5"", possibly SB. Lunar occultations and speckle" "interferometry indicate companions 4.2v at 0.001"" from A and 7.6v at 0.129"" from C. Occultations by Jupiter and Io in" "1971 indicate complex system. Component C occulted by Io revealed the 2.5 mag. fainter companion at 0.1""." "0.004""." Sco OB2; Sco-Cen assoc.; probable member of Sco-Cen cluster; upper Sco region. Graffias; Grafias; Grassias; Acrab; Akrab; Elacrab. Ca and Na lines nearly stationary. 4550 103095 62738 CF UMa 11 52 58.8 37 43 7 6.45 0.75 0.17 G8Vp 5.5 1.7 "The reality of the companion, CF UMa, announced by P. van de Kamp (see Low Luminosity Stars, ed. S. S. Kumar, p. 199," "1968) has been questioned (PASP, 96, 557, 1984). Unresolved by speckle interferometry 1980.47." Groombridge 1830. "Companion of Groombridge 1830, UV? 8.5-12v." 6688 32 Xi Dra 163588 30631 W 17 53 31.7 56 52 22 3.75 1.18 1.21 K2-III 11.1 316 Grumium; Genam; Nodus I. 1612 8 Zet Aur 32068 39966 Zet Au 5 2 28.7 41 4 33 3.75 1.22 0.38 K4II+B8V "Haedi; Haedus; Hoedus I. With HR 1641, one of the ""kids""; Sadatoni; Saclateni." Also classified K5II + B5V. "EA 3.70 - 3.97V, 972.164d, i 90d. Variable duration of min. Amp. depends on wavelength, 0.55B, 1.97U. K component" amp. 0.05V. 617 13 Alp Ari 12929 75151 725 2 7 10.4 23 27 45 2 1.15 1.12 K2-IIICa-1 HAMAL; Hemal; Hamul; Ras Hammel; El Nath (obsolete). The name Arietis also used both for the star and the constellation. Also classified K2IIIab Ca-1. 5978 Xi Sco 144070 159665 9909 A 16 4 22.1 -11 22 23 4.77 0.47 0.01 F5IV 0.2 1.2 AB 5 "Quintuple system ADS 9909A-C is CPM with ADS 9910, 7.4 G8V, 8.1K0V sep. 11"" at 281"" from ADS 9909A. ADS 9909AB 4.9 F5IV," "4.9 F5IV, 45.69y, a = 0.720"". Combined mag. 4.16V, combined colors. ADS 9909C, 7.30V, +0.75(B-V), dG7 at 7"", physical." "0.038""." "Has been called Grafias, a name more commonly applied to HR 5984." 1577 3 Iot Aur 31398 57522 1778 4 56 59.6 33 9 58 2.69 1.53 1.78 K3II Hassaleh in Becvar. 4.0 - 4.15p. 591 Alp Hyi 12311 248474 1 58 46.2 -61 34 11 2.86 0.28 0.14 F0V Head of Hydrus. 8316 Mu Cep 206936 33693 15271 Mu Ce 21 43 30.4 58 46 48 4.08 2.35 2.42 M2-Ia e 8.3 19.5 AB 3 Cep OB2. "Herschel's ""Garnet Star"". Both Bayer (1603) and Argelander (1843) showed Mu Cep in the position of 14 Cep = HR" "8406. Heis (1872), however, in cataloguing the stars in Argelander's Atlas, misidentified Mu as the star" Ultraviolet FeII emission. STRATOSCOPE II observations indicate infrared H2O bands. "ADS 15271A, SRc 3.43 - 5.1v, 730d; also a cycle of 4400d. Mean magnitude varies 13.5y. Correspondence between" polarization and light. 5107 79 Zet Vir 118098 139420 13 34 41.6 0 35 45 3.37 0.11 0.1 A3V Hyades group. Heze. 1641 10 Eta Aur 32630 40026 1822 5 6 30.9 41 14 4 3.17 -0.18 -0.67 B3V Cas-Tau OB1; member of Pleiades group. "Hoedus II. One of the kids, with HR 1612." Beta C? 8634 42 Zet Peg 214923 108103 16182 22 41 27.7 10 49 53 3.4 -0.09 -0.25 B8V 8.9 64.3 Homam; Homan; Humam; Al Hammam. 1346 54 Gam Tau 27371 93868 S 1553 4 19 47.6 15 37 39 3.65 0.99 0.82 K0-IIIabCN1 In Taurus cluster; Mel 25 #28; the Hyades. Hyadum I. Amp. 0.1V. 1373 61 Del 1Tau 27697 93897 W 1582 4 22 56.1 17 32 33 3.76 0.98 0.82 K0-IIICN0.5 8.7 109.6 AB 3 In Taurus cluster; Mel 25 #41; the Hyades. Hyadum II. Amp. 0.1V. 5573 132132 120758 W 14 57 33.3 0 10 3 5.53 1.13 1.11 K1III 2.9 86.3 "In Virgo. Originally named M Ser, 1 Ser. HR indicated it as in Libra." 5506 36 Eps Boo 129989 83500 9372 A 14 44 59.2 27 4 27 2.7 0.97 0.73 K0-II-III 2.6 2.8 AB 3 "Binary with HR 5505. Colors for combined light. Mag. of blend, 2.37V." "0.007""." "IZAR; Mirac; Mirak; Mirach; Mizar, a name commonly applied to HR 5054; Pulcherrima." 6027 14 Nu Sco 145502 159764 9951 AB 16 11 59.7 -19 27 38 4.01 0.04 -0.65 B3V 2.5 41.1 AC 5 "ADS 9951A is SB, 4.9, 6.9v, sep. 0.0003"". AB, binary. Component B, 6.9v at 1"". Components CD at 41"" = HR 6026, q.v." "HR 6026, q.v." "0.005""." "Sco OB2; Sco-Cen assoc.; probable member of Sco-Cen cluster; upper Sco member; in reflection nebula, assoc. Sco R1; IC" Jabbah. H strong; SiIV weak for the spectral type. 804 86 Gam Cet 16970 110707 2080 2 43 18 3 14 9 3.47 0.09 0.07 A3V 2.7 2.8 AB 3 "AB binary, combined mag., colors. CPM with BD+2d418, 10.2v M6 at 840""." "0.009""." UMa stream. Kaffaljidhma; Al Kaff al Jidhmah. 6117 24 Ome Her 148112 102153 10054 Ome He 16 25 25 14 2 0 4.57 0 -0.04 B9pCr 8.1 28.4 AC 4 "B, 12.0v at 2"" CPM; C optical." UMa stream; Sirius group. Kajam; Cujam; Cajam; Caiam. Also classified A2VpCrMnSr. "Alpha CV, amp. 0.08V, 2.951d, double wave light curve. Also rapid var. 0.15d." 6879 20 Eps Sgr 169022 210091 W 18 24 10.3 -34 23 5 1.85 -0.03 -0.13 B9.5III 12.3 36.1 KAUS AUSTRALIS. 6913 22 Lam Sgr 169916 186841 18 27 58.2 -25 25 18 2.81 1.04 0.89 K1+IIIb Hyades group. Kaus Borealis. 6859 19 Del Sgr 168454 186681 11264 18 20 59.7 -29 49 41 2.7 1.38 1.55 K3-IIIa* 10.2 58.1 AD 4 Kaus Meridionalis; Kaus Media; Media. K3-IIIa CN0.5 Ba0.2 Fe0.5. Also classified K3IIIa CN 1 Ba 0.1 Fe 0.5. 1325 40 Omi 2Eri 26965 131063 3093 DY Eri 4 15 16.3 -7 39 10 4.43 0.82 0.45 K1-V 5 83.4 AB 5 "BC 9.51 A2, 11.18 M4Ve, 252.1y, a = 6.943"". Component B is white dwarf. Component A, CPM." "0.199""." Keid; Kied. "ADS 3093C; UV, min. 11.18V, +1.50 (B-V), 12.16 - 13.85U. X-ray source." 8131 8 Alp Equ 202447 126662 W 21 15 49.4 5 14 52 3.92 0.53 0.29 G0III+A5V 0.1 "Sep. 0.08"". May be only single star." Kitalpha; Kitel Phard; Kitalphar. Oxygen deficient relative to magnesium. Also classified G2II-III + A4V. 5563 7 Bet UMi 131873 8102 W 6846 14 50 42.3 74 9 20 2.08 1.47 1.78 K4-III 9.2 209.1 "KOCAB; Kochab; Kochah; with HR 5735 called ""Guards of the Pole.""" 6148 27 Bet Her 148856 84411 W 7778 16 30 13.2 21 29 23 2.77 0.94 0.69 G7IIIa 7.3 256.2 Visual companion probably optical. Kornephoros; Korneforos; Rutilicus. 4786 9 Bet Crv 109379 180915 5729 12 34 23.2 -23 23 48 2.65 0.89 0.6 G5II Kraz in Becvar; Allen says unnamed. 6555 25 Nu 2Dra 159560 30450 10628 A 9164 17 32 16 55 10 23 4.87 0.28 0.06 A4m v 0 62.3 Binary with HR 6554. Kuma. Also classified F0IVms (variable spectrum) and Am(A4/F2V/F3). "ADS 10628A, I?, 4.83 - 4.95V." 7955 198084 32862 W 20 45 21.1 57 34 47 4.51 0.54 0.1 F8IV-V 5.7 66.4 "B is BD+57d2241, optical." "Labelled Upsilon Cep in Burritt's Atlas, not confirmed elsewhere. It is not the double star described by Allen as" "Castula, Upsilon1,2 Cep." 6508 34 Ups Sco 158408 208896 17 30 45.8 -37 17 45 2.69 -0.22 -0.82 B2IV Sco-Cen assoc. Lesath; Lesuth. Lyman alpha and Lyman beta observed from COPERNICUS. 6526 76 Lam Her 158899 85163 9070 17 30 44.3 26 6 38 4.41 1.44 1.68 K3.5III "Maasym; Masym; Misam, a name also applied to h and Chi Per." 1149 20 Tau 23408 76155 D 1279 3 45 49.6 24 22 4 3.87 -0.07 -0.4 B8III v 0 0 "Sep. 0.003"". Unresolved by speckle interferometry 1981.69. Duplicity questioned." Pleiades cluster; Mel 22 #785; in reflection nebula. Pleiades nebula. Member assoc. Tau R1 at 110 pc. Maia. C1 neutral carbon continuum shows discontinuities in UV. Probably cst. Var. helium lines. 343 33 The Cas 6961 22070 W 423 1 11 6.2 55 8 59 4.33 0.17 0.12 A7V 5.9 145.6 Hyades moving group. Marfak. Name shared with HR 321. Delta Sct? 321 30 Mu Cas 6582 22024 W 405 1 8 16.4 54 55 13 5.17 0.69 0.09 G5Vb 5.8 190.5 AB 6 "A* 5.15 G5Vp, 21.43y, a = 0.186"", mag. diff 2V, sep. 1.4"". Subdwarf with five visual and one astrometric components." Marfak. Name shared with HR 343. Metal deficient star. 6149 10 Lam Oph 148857 121658 10087 7784 16 30 54.8 1 59 2 3.82 0.01 0.01 A0V+A4V 1 1.2 AB 4 "AB 4.16 A1V, 5.22 A4V. 129.87y, a = 0.970"" or 126.78y, a = 0.95"", combined mag., colors. Component C, 11.0v, 120"" CPM." "0.019""." Marfic; Marfik; Marsic. 6008 7 Kap Her 145001 101951 9933 A 7471 16 8 4.5 17 2 49 5 0.95 0.61 G8III 1.2 28.1 AB 3 Optical pair with HR 6009. Marfik; Marsik; Mirfak; Marfak. "Also classified G8II, G7III." 8781 54 Alp Peg 218045 108378 14417 23 4 45.7 15 12 19 2.49 -0.04 -0.05 B9V MARKAB; Marchab. 2948 61555 174198 6255 A 3673 7 38 49.3 -26 48 6 4.5 -0.17 -0.57 B6V 0.2 9.9 AB 3 "Binary with HR 2949 at 10"". C, 13.8v at 6"" optical. Colors for combined light AB. Combined mag. 3.82V." "Markab; Markeb. Sometimes called Kappa or Kappa1, sometimes k, k1 or k3 Pup. However, HR 2873 and" "2881 have also been variously designated as k, k1, k2 or k3 Pup." 8650 44 Eta Peg 215182 90734 16211 14285 22 43 0.1 30 13 17 2.94 0.86 0.55 G2II-III+F0V 5.1 90.4 AxBC 6 "A* 2.94 G2II-III, 2.23y, a = 0.022"". Speckle interferometry measures range from unresolved to sep. 0.059"". BC, 10.0," "10.0v sep. 0.2"" at 90"" from A, physical." Matar. ADS 16211A. 2473 27 Eps Gem 48329 78682 5381 3183 6 43 55.9 25 7 52 2.98 1.4 1.46 G8Ib e 6 110.3 "Companion 9.22V, +1.13(B-V), +0.91(U-B), K0III-IV." Red star Pleiades group. Mebsuta; Melucta; Meboula. Strong He 10830 emission and absorption. 4660 69 Del UMa 106591 28315 W 5513 12 15 25.6 57 1 57 3.31 0.08 0.07 A3V 6.6 189.6 AB 3 """Dipper Stars""; Ursa cluster; Sirius group; UMa stream." MEGREZ; Kaffa in Becvar. 1879 39 Lam Ori 36861 112921 4179 A 2240 5 35 8.3 9 56 3 3.54 -0.18 -1.03 O8III((f)) 2 4.4 AB 4 "A,B,C fixed. B is HR 1880. Colors for combined light. Blended mag., 3.39V. C is 11.2v at 29"", optical; D, 11.2" "at 78""." "0.001""." In cluster Collinder 69; exciting star of HII region S264; in Lambda Ori assoc. Lambda Ori and surroundings are at Meissa; Heka. Uncertain which of HR 1879 or 1880 is the variable suspect. 2650 43 Zet Gem 52973 79031 5742 Zet Ge 7 4 6.5 20 34 13 3.79 0.79 0.62 F7-G3Ib v 0 0.1 O 6 "Component A is suspected occultation double, 4.5, 4.5v, sep. 0.1"". B, 10.5v at 87"". C, +20d1686, 7.55V, +0.62(B-V), +0." "+0.07(U-B), G1V at 96"" has high proper motion, 0.100"", optical, vsini =<54k/s. Other components fainter." Mekbuda. "ADS 5742A, CDelta 3.62 - 4.18V, 10.15073d. Period decreasing 3.1s/y." 2088 34 Bet Aur 40183 40750 4556 Bet Au 5 59 31.7 44 56 51 1.9 0.03 0.05 A2IV 8.9 184.6 AB 3 "AB binary. C, 14.1v at 13""." In Ursa cluster; Sirius group; UMa stream; UMa cluster. Menkalinan; Menkalina. "ADS 4556A, EA 1.89 - 1.98V, 1.93 - 2.02B, A2+A2, 3.9600421d, i 78.5d." 896 91 Lam Cet 18604 110889 2 59 42.9 8 54 27 4.7 -0.12 -0.45 B6III "Menkar, a name usually used for HR 911." 911 92 Alp Cet 18884 110920 Alp Ce 3 2 16.8 4 5 23 2.53 1.64 1.94 M1.5IIIa v MENKAR; Mekab; Menkab; Monkar. Ultraviolet FeII emission. Lb? 2.45 - 2.54V. Spectrum var. 5288 5 The Cen 123139 205188 W 14 6 41 -36 22 12 2.06 1.01 0.87 K0-IIIb 12 69.9 Theta Cen group? Menkent. 1228 46 Xi Per 24912 56856 Xi Pe 3 58 57.9 35 47 28 4.04 0.01 -0.92 O7.5III(n)((f)) e Runaway star from Per OB2. Within 1d and exciting star of HII region S220. Ionizes region at edge of California nebula = Menkib; Menkhib; Menchib. Interstellar CO emission. Central Balmer emission in blue-violet only. "Slightly variable, possibly same period as SB." 4295 48 Bet UMa 95418 27876 5053 11 1 50.5 56 22 57 2.37 -0.02 0.01 A1V """Dipper Stars;"" UMa cluster; Sirius group; UMa stream." MERAK; Mirak. 5533 38 Boo 130945 45226 14 49 18.7 46 6 58 5.74 0.48 0 F7IV w Merga; Marrha; El Mara el Musalsela; Falx Italica. Also classified F5V. 1156 23 Tau 23480 76172 W V971 T 3 46 19.6 23 56 54 4.18 -0.06 -0.42 B6IVe v Suspected double probably single star. Pleiades cluster; Mel 22 #980; in reflection nebula; Pleiades nebula; member assoc. Tau R1 at 110 pc. Merope. Variable hydrogen emission. 546 5 Gam 2Ari 11502 92681 1507 A Gam Ar 1 53 31.8 19 17 37 4.75 -0.04 -0.13 A1pSi 0.1 7.8 AB 3 "Binary with HR 545, orbital period 5000 - 10000y? Component C, 9.6v at 221"". Combined colors for HR 545-6; combined" mag. 3.88V. "0.019""." Pleiades group. "Mesarthim; Mesartim; ""First Star in Aries""." "Also classified A0pCr, A1pCrSiSr." "Alpha CV 3.88 - 3.90V, 2.6095 or 1.7982d; also possibly 2.5 hrs., amp. 0.02, unconfirmed. Southern component of" ADS 1507. Magnetic var. 544 2 Alp Tri 11443 74996 W 1 53 4.9 29 34 44 3.41 0.49 0.06 F6IV 8.6 222.3 AC 3 Visual companions probably optical. Metallah; Mothallah; Atria; Caput Trianguli; Ras al Muthallah; Elmuthalleth. 3685 Bet Car 80007 250495 9 13 12 -69 43 2 1.68 0 0.03 A2IV v Miaplacidus. Balmer lines show quasi periodic var. in cycles of about 35 min. 4630 2 Eps Crv 105707 180531 5483 12 10 7.5 -22 37 11 3 1.33 1.47 K2.5IIIaBa0.2: Minkar. 1852 34 Del Ori 36486 132220 4134 A Del Or 5 32 0.4 0 17 57 2.23 -0.22 -1.05 O9.5II 4.6 51.7 AC 3 "Binary with C = HR 1851. Component B, 14.0v at 33""." Ori OB1b3; Orion belt; cluster CR 70. MINTAKA; Mintika. "Nitrogen deficient. Interstellar Lyman alpha absorption observed by AEROBEE rocket. Also classified B2V, O9.5II," "ADS 4134A, EA 2.14 - 2.26V, 1.94 - 2.13B, 5.732476d. Intrinsic variability also possible." 681 68 Omi Cet 14386 129825 1778 Omi Ce 2 19 20.7 -2 58 39 3.04 1.42 1.09 M7IIIe+Bep v 7.3 118.7 AC 4 "AP var. M7IIIe, var. dBe, 400y, a = 0.85"". The faint companion was first predicted in 1920 by Joy on the basis of a" slightly displaced blue secondary spectrum. 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." "0.0058"". Masses A 15.7, P 4.0 solar." MIRA. Stratoscope II observations indicate infrared H2O bands. SiO maser source. Technetium found in spectrum. Also "Two variables: Mira and VZ Cet. Mira, ADS 1778A, M 2.0 - 10.1v, 331.96d; 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. Mira was discovered to be variable by Fabricius in 1596, the first such variable discovered." "ADS 1778P, Ne ""Novoides"" class, VZ Cet, 9.5 - 12.0v, dBe." 337 43 Bet And 6860 54471 949 414 1 9 43.9 35 37 14 2.06 1.58 1.96 M0+IIIa e 10.1 80.4 AD 5 MIRACH; Merach; Mirac; Mirak; (al Mizar). Ultraviolet FeII emission. Also classified B9III. 834 15 Eta Per 17506 23655 2157 2 50 41.8 55 53 44 3.76 1.68 1.89 K3-Ib-IIa e 4.7 28.3 AB 6 "Component B, B9V, CPM, vsini 149k/s." Red star Pleiades group. Miram in Becvar; Allen says unnamed. Ultraviolet FeII emission. Also classified K3Ib. 1017 33 Alp Per 20902 38787 W 1125 3 24 19.4 49 51 40 1.79 0.48 0.37 F5Ib 10 167 Mel 20 #605; Per OB3; nebulosity. MIRPHAK; Mirfak; Marfak; Algenib. 5054 79 Zet UMa 116656 28737 8891 A 6224 13 23 55.5 54 55 31 2.27 0.02 0.03 A1VpSrSi 1.7 0 AP 4 "Aa = AP 3.0 A2V, 3.0 A2V, sep. 0.0115"", 0.056y, a = 0.012"". Combined mag., colors AP. Binary with HR 5055. Alcor," "HR 5062, at 709"", CPM." "0.046""." """Dipper Stars;"" Sirius group; UMa moving cluster." MIZAR; Mizat; Mirza. Combined spectrum for Aa also classified A1VpSrSi. 5235 8 Eta Boo 121370 100766 W 13 54 41.1 18 23 52 2.68 0.58 0.2 G0IV 6 112.6 "A* 2.68 G0IV. Visual component 8.8v at 113"" optical." Mufrid; Muphrid; Mufride; Muphride. 2657 23 Gam CMa 53244 152303 7 3 45.5 -15 38 0 4.12 -0.12 -0.48 B8II Member of Pleiades group; Collinder 121 #30. Muliphen; Muliphein; Isis; Mirza. 2294 2 Bet CMa 44743 151428 W Bet CM 6 22 42 -17 57 21 1.98 -0.23 -0.98 B1II-III 7.8 185.9 Murzim; Mirzam; Mirza. Lyman alpha and Lyman beta observed from COPERNICUS. "Beta C 1.93 - 2.00V. Prototype star. Multi-periodic: 0.25002246, 0.2513003, 49.17 and 0.23904d, others reported. Beat" "periods 49.198, 5.442 and 4.900d. Sp. also var. over 0.25d." 3403 4 Pi 2UMa 73108 14616 8 40 12.8 64 19 40 4.6 1.17 1.16 K1+IIIb "Muscida, with HR 3391." Also classified K1IIIb CN-0.5. 3391 3 Pi 1UMa 72905 14609 8 39 11.7 65 1 15 5.64 0.62 0.07 G1.5Vb Sirius group; UMa stream. "Muscida, with HR 3403." 3323 1 Omi UMa 71369 14573 6830 4093 8 30 15.9 60 43 5 3.36 0.84 0.52 G5III 7.1 143 AC 4 "B is 15v at 7"", CPM. C and D optical." Probable Hyades group. "Muscida; a name also applied to Pi UMa, HR 3391, 3403." "3.3 - 3.8V, 358d. Also 0.05d, amp. 0.02V." 1899 44 Iot Ori 37043 132323 4193 2334 5 35 26 -5 54 36 2.77 -0.24 -1.08 O9III e 4.5 11.4 AB 3 AB fixed. B is B7IV; vsini 50k/s. "0.005""." Iota Ori cluster; Ori OB1c4; sword of Orion; HII region. Nair al Saif; Hatysa in Becvar. Enhanced ultraviolet emission. Helium weak. Interstellar Lyman alpha absorption observed by AEROBEE rocket. "Component B is NSV 2334, 7.4V." 3165 Zet Pup 66811 198752 8 3 35.1 -40 0 12 2.25 -0.26 -1.11 O5f e In cluster CR 173; in HII region. Naos; Suhail Hadar. "Also classified O4f, O4ef and O4I9n)f." Change in H alpha emission profile between 1974 and 1976 interpreted as change in rate of mass loss. 6746 10 Gam 2Sgr 165135 209696 10173 18 5 48.5 -30 25 27 2.99 1 0.77 K0III Wolf 630 group. Nash; Alnasl; Alwazl; Zujj al Nushshabah; Nushaba. Gamma1 or gamma2 Sgr; see HR 6742. 8278 40 Gam Cap 206088 164560 21 40 5.5 -16 39 44 3.68 0.32 0.2 F0p Hyades group. Nashira. "Violet part of spectrum indicates luminosity III; G-band region, V; SrII4077 very strong, indicating luminosity II." 5602 42 Bet Boo 133208 45337 6898 15 1 56.8 40 23 26 3.5 0.97 0.72 G8IIIaBa0.3Fe-0.5 Nekkar; Merez; Meres. 1829 9 Bet Lep 36079 170457 4066 2008 5 28 14.7 -20 45 34 2.84 0.82 0.46 G5II 4.5 2.6 AB 5 "AB binary; C, 12.0v at 64""; D, 10.5 at 206""; E, 10.5 at 241""." "0.029""." NIHAL; Nibal. "ADS 4066B, 7.0 - 11.0v." 7310 57 Del Dra 180711 18222 W 19 12 33.3 67 39 42 3.07 1 0.78 G9III 9.2 88.1 "Nodus Secundus; Altais; Aldib, a name corresponding to a group rather than to a single star." 7121 34 Sig Sgr 175191 187448 W 18 55 15.9 -26 17 48 2.02 -0.22 -0.75 B2.5V 7.4 309 Interferometer measures indicate multiple star. Sco-Cen assoc. NUNKI; Sadira. Lyman alpha and Lyman beta observed from COPERNICUS. 5747 3 Bet CrB 137909 83831 W Bet Cr 15 27 49.7 29 6 21 3.68 0.28 0.11 F0p v 1.5 0.3 "First astrometric binary discovered from parallax measurements, by K. Burns, 1931." Hyades group. Nusakan. Also classified A8IIIpSrCrEu. Extreme oxygen deficiency relative to magnesium. Magnetic field an indicator of stellar "Alpha CV 3.65 - 3.72V, 18.487d. Magnetic field and rotation same period. Variable H alpha. Amp., light," "magnetic field, spectrum vary per. 10.5y. Possible secondary light period of 240d." 7828 43 Cyg 195068 49643 20 27 2.3 49 23 0 5.69 0.26 0.04 dF0 "Omega Cyg, a case similar to Omicron Cyg (HR 7730): HR, FL, PGC-BAC, Heis-HR; 7828, 43, Omega1, -; 7844," "45, Omega2, Omega1; 7851, 46, Omega3, Omega2." 7790 Alp Pav 193924 246574 W 13060 20 25 38.9 -56 44 6 1.94 -0.2 -0.71 B2IV 7.1 245.4 AB 3 "BC, 9.2, 10.2v sep. 17.6""." Member of Pleiades group. Peacock. Lyman alpha and Lyman beta observed from COPERNICUS. 4554 64 Gam UMa 103287 28179 5379 11 53 49.8 53 41 41 2.44 0 0.02 A0Ve """Dipper Stars;"" Sirius group; UMa moving cluster." PHAD; Phecda; Phekda; Phegda; Phekha; Phacd. Variable emission of K line and possible variation in H alpha. 1956 Alp Col 37795 196059 W 2549 5 39 38.9 -34 4 27 2.64 -0.12 -0.46 B7IVe v 9.7 13.5 Phaet; Phakt; Phact; Phad. "Gamma Cas?, 2.62 - 2.66V. H alpha variable. Rapid variations in H beta profile." 5714 11 UMi 136726 8207 15 17 5.9 71 49 26 5.02 1.37 1.6 K4III Pherkad Minor. Sometimes called Gamma1 UMi. HR 5735 is Gamma or Gamma2. 5735 13 Gam UMi 137422 8220 Gam UM 15 20 43.7 71 50 2 3.05 0.05 0.12 A3II-III v Pherkad; Pherkad Major. See HR 5563 and 5714. "Shell star, but shell possibly variable." Delta Sct? Amp. 0.03V. Hydrogen and CaII variable. 2422 47129 114146 V640 M 6 37 24.1 6 8 7 6.06 0.05 -0.88 O8p "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" Plaskett's star. "Shell star. Also classified O8f and O7.5III(f), O8V + O8f." "6.04 - 6.08V, irregular variations, possibly transition from O- to WR-type spectrum. Polarization variable." 1180 28 Tau 23862 76229 BU Tau 3 49 11.2 24 8 12 5.09 -0.08 -0.28 B8Vpe v Pleiades cluster; Mel 22 #2181. Pleione. Shell star. Gamma Cas 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. 7228 Sig Oct 177482 258857 Sig Oc 21 8 46.2 -88 57 23 5.47 0.27 0.13 F0III Polaris Australis (so called by Wollaston in 1789). "Delta Sct, amp. 0.05V, 0.04B, 0.097d." 424 1 Alp UMi 8890 308 1477 Alp UM 2 31 48.7 89 15 51 2.02 0.6 0.38 F7:Ib-II v 6.8 18.4 AB 5 "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""." "0.006""." Red star Pleiades group. POLARIS; Alruccabah; Cynosura; Phoenice; Lodestar; Pole Star; Tramontana; Angel Stern; Navigatoria; Star of Arcady; Yilduz; Mismar. Also classified F7Ib-F8Ib. "CDelta 1.92 - 2.07V, 3.969778d. Period increases 53 sec./century. Probably unreddened." 2990 78 Bet Gem 62509 79666 6335 3712 7 45 18.9 28 1 34 1.14 1 0.85 K0IIIb e 10.2 201.1 AC 7 All the visual companions optical. POLLUX; Hercules. Emission line discovered by COPERNICUS at 1218.4 may be OV probably formed in a corona. Balloon-borne spectrometer "NSV 3712 is component A, 1.10 - 1.17V, while component E is NSV 3716, 10.5v." 4825 29 Gam Vir 110379 138917 8630 A 5859 12 41 39.6 -1 26 58 3.65 0.36 -0.03 F0V 0.1 4.1 AB 4 "AB 3.48 F0V, 3.50 F0V, 171.37y, a = 3.746"". Speckle interferometric sep. 3.674"", 1982.38. Combined mag. 2.75V. Colors" "for combined light. Component C, 15v at 53"", optical." "0.084""." Porrima; Arich in Becvar. Amp. 0.02V. Blend with 4826. Uncertain which component is the variable suspect. 4247 46 LMi 94264 62297 4999 10 53 18.7 34 12 54 3.83 1.04 0.91 K0+III-IV Wolf 630 group. Praecipua. 7747 5 Alp 1Cap 192876 163422 13632 20 17 38.9 -12 30 30 4.24 1.07 0.78 G3Ib 0.4 377.7 * 9 "See note for HR 7754. ADS 13632B, 14v at 44""; C, 9.6v K5III, at 45"" physical, vsini =<54k/s. D, 14.3v at 29"" from C." Prima Giedi; Algiedi Prima; Algedi with HR 7754. 2943 10 Alp CMi 61421 115756 6251 3672 7 39 18.1 5 13 30 0.38 0.42 0.02 F5IV-V 10.4 4.6 AC 5 "AB .35 F5IV-V, 10.3, 40.65y, a = 4.548"". Binary nature first revealed in 1840 by variable proper motion; companion" "first seen in 1896. Component C, 11.7v at 122"" optical." "0.277""." PROCYON; Elgomaisa; Algomeysa; Antecanis. Chromospheric He 10830 narrower than in later-type stars. "Delta Sct? A 0.09:d period originally attributed to the star beta CMi (HR 2845) may instead apply to Procyon, which" had been used as a comparison star. 2134 1 Gem 41116 77915 W Var? 6 4 7.2 23 15 48 4.16 0.82 0.52 G7III 0.4 0.2 AB 4 "AB 4.7 G6III, 5.1 G8III, 13.17y, a = 0.19"". Combined mag., colors. Component A is SB, 4.9, 6.9v, sep. 0.0013""." "Speckle interferometric sep. 0.128"" 1982.17, 0.086"" 1983.93. Component C, 13.0v at 101""." "Propus, a name more commonly applied to HR 2216." 2821 60 Iot Gem 58207 79374 7 25 43.6 27 47 53 3.79 1.03 0.85 G9IIIbHdel -1 "Propus, a name more commonly applied to HR 2216." 2216 7 Eta Gem 42995 78135 4841 Eta Ge 6 14 52.6 22 30 24 3.28 1.6 1.66 M3III 2 0 O 3 "AB, 473.7y, a = 1.08"". B is 8.8v at 1.4"". A is suspected occultation double, 3.4, 5.4v, sep. 0.03"". Masses A, 12.4;" "B, 5.5 solar. The three components are surrounded by a gaseous envelope." "0.007""." Propus; Praepes; Tejat Prior. "ADS 4841A, SRa + EA 3.15 - 3.9v, 232.9d. Deepest min. satisfy SB period 2984d." 1136 23 Del Eri 23249 130686 Del Er 3 43 14.9 -9 45 48 3.54 0.92 0.69 K0+IV e Rana in Becvar. But see HR 188. CaII H and K emission. "RS:, 3.51 - 3.56V, about 10d." 3873 17 Eps Leo 84441 81004 4613 9 45 51.1 23 46 27 2.98 0.8 0.47 G1II "Ras Elased Australis; Al Ras al Asad al Janubiyyah; Algenubi; with HR 3905, Al Ashfar." "Cep amp. 0.1V, period a few days." 3905 24 Mu Leo 85503 81064 9 52 45.8 26 0 25 3.88 1.22 1.39 K2IIICN1Ca1 "Ras Elased Borealis; Rasalas; Ras al Asad al Shamaliyy; Alshemali; with HR 3873, Al Ashfar." Super metal-rich star. 6406 64 Alp 1Her 156014 102680 10418 A Alp He 17 14 38.9 14 23 25 3.48 1.44 1.01 M5Ib-II e 2.2 4.9 AB 4 "AB, 3600y, a = 4.68"". Component B is HR 6407. Combined colors. Combined mag. 3.08V. Mass A, 14 solar. Other components" "faint, optical. Circumstellar lines around both A, B." "0.008""." RASALGETHI; Ras Algethi; Rasalegti. Ultraviolet FeII emission. 5-micrometer observations indicate carbon monoxide. ADS 10418A. Discovered by W. Herschel in 1795. SRc 3.0 - 4.0v. 6-yr. period superimposed by variations 50 - 155d. "Surrounded by envelope of 2x10E+05 solar radii, expanding 10k/s, mass loss 3x10E-08 solar masses/y." 6556 55 Alp Oph 159561 102932 A 9189 17 34 56.1 12 33 36 2.08 0.15 0.1 A5III 0.1 "A* 2.08 A5III, 8.5y, a = 0.065"". Resolved by speckle interferometry." UMa stream; Sirius group. RASALHAGUE; Ras Alhague. Interstellar CaII lines indicate a cloud of about 1 pc depth in front of Alpha Oph. Delta Sct? 6536 23 Bet Dra 159181 30429 10611 17 30 26 52 18 5 2.79 0.98 0.64 G2Ib-IIa 8.9 4.2 AB 3 Rastaban; Alwaid; Asuia; Rastaben. Unusually broad He 10830. 3982 32 Alp Leo 87901 98967 7654 A 4750 10 8 22.3 11 58 2 1.35 -0.11 -0.36 B7V e 6.8 177.6 AB 4 "AB binary, B, 8.13V, +0.86(B-V), +0.51(U-B), K1V. BC, 7.6, 13.1v, 2000y, a = 4.163""." REGULUS; Cor Leonis; Rex; Al Kalb al Asad; Kabeleced. C1 neutral carbon continuum shows discontinuities in UV. Excess IR emission. 5459 Alp 1Cen 128620 252838 W A 14 39 35.9 -60 50 7 -0.01 0.71 0.24 G2V 1.4 20.9 AB 3 "AB 79.920y, a = 17.515"". B = HR 5460, CPM with Proxima at 2.2d, discovered by Innes in 1915, a flare star, V 645 Cen," "12.4 - 13.4p, 11.10V, +1.88(B-V), +2.05(R-I), M5.5Ve." "0.750""." Rigel Kentaurus; RIGIL KENT; Toliman. Components A and B have about twice the metal abundance of the Sun and an age of about 6 billion years. 1713 19 Bet Ori 34085 131907 3823 1882 5 14 32.3 -8 12 6 0.12 -0.03 -0.66 B8Ia: e 6.5 9.5 AB 4 "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." "0.004""." Ori OB1; in reflection nebula; member assoc. Tau-Ori R1 at 360 pc. RIGEL; Algebar; Elgebar. Between wavelengths 10660 and 10915 no stellar lines except the chromospheric line He 10830. Weak magnetic field. "0.03 - 0.30V, 25d. Amp. at 0.58 micrometers about 0.06m." 5487 10 Mu Vir 129502 140090 14 43 3.6 -5 39 30 3.88 0.38 -0.02 F2III Rijl al Awwa. 7882 6 Bet Del 196524 106316 14073 20 37 33 14 35 43 3.63 0.44 0.08 F5IV 1 0.6 AB 5 "AB 4.0 F5IV, 4.9 F5IV, 26.65y, a = 0.475"" or 26.60y, a = 0.480"". Speckle interferometry gives sep. 0.58"" and with SB" "data leads to masses 2.2 and 1.8 solar. Combined mag., colors. Components C-E optical." "0.032""." Rotanev; Rotanen; Venator. "Also classified F5III, F6III." 403 37 Del Cas 8538 22268 W Del Ca 1 25 49 60 14 7 2.68 0.13 0.12 A5III-IV v 8.7 131.7 Unresolved by speckle interferometry 1981.69. Hyades group. Ruchbah; Rucba; Rucha; also Ksora in Becvar. Also classified A5V. "EA? 2.68 - 2.76V, 759d." 7348 Alp Sgr 181869 229659 19 23 53.2 -40 36 58 3.97 -0.1 -0.33 B8V Rukbat; Rucba; Rukbat al Rami; Alrami. 6378 35 Eta Oph 155125 160332 10374 17 10 22.7 -15 43 29 2.43 0.06 0.09 A2V 0.4 0.3 AB 4 "AB 3.0 A2V, 3.5 A3V, 88y, a = 0.86"". Combined mag., colors." "0.022""." Sabik. 8518 48 Gam Aqr 212061 146044 15864 14132 22 21 39.4 -1 23 14 3.84 -0.05 -0.12 A0V 7.9 37.4 Optical. Sadalachbia; Sadachbia. Lambda Boo star. 8414 34 Alp Aqr 209750 145862 W 22 5 47 0 19 11 2.96 0.98 0.74 G2Ib v 9 113 See HR 8232. SADALMELIK; Sadalmelek; Sadlamulk; El Melik; Saad el Melik. He 10830 possibly variable. 8232 22 Bet Aqr 204867 145457 15050 21 31 33.5 -5 34 16 2.91 0.83 0.56 G0Ib 7.9 35.5 AB 3 Both companions optical. With Alpha Aqr (HR 8414) and Epsilon Peg (HR 8308) forms an OB triple system. Motion of HR 8232 and 8414 Sadalsuud; Sadalsud; Sad es Saud; Sadalsund; Saad el Sund. 7796 37 Gam Cyg 194093 49528 13765 13048 20 22 13.7 40 15 24 2.2 0.68 0.53 F8Ib 8.5 141.2 AxBC 4 NGC 6910. Sadr; Sador; Sadir. Also classified F0Ia. 2004 53 Kap Ori 38771 132542 2641 5 47 45.4 -9 40 11 2.06 -0.17 -1.03 B0.5Ia v Ori OB1. SAIPH. Deficient in ultraviolet relative to most early-type supergiants shortward of 2800A. 8880 62 Tau Peg 220061 91186 Tau Pe 23 20 38.2 23 44 25 4.6 0.17 0.1 A5Vp Salm; Kerb; Markab; El khereb. "Lambda Boo star, Mg 4481, met. wk." "Delta Sct 4.60 - 4.62V, 0.05433d, secondary 0.04895d, beat period 0.4943d." 6553 The Sco 159532 228201 9233 17 37 19.2 -42 59 52 1.87 0.4 0.22 F1II Sargas. 1.90 - 1.94V? 6410 65 Del Her 156164 84951 10424 8419 17 15 1.9 24 50 21 3.14 0.08 0.08 A3IV 5.6 8.5 AB 4 "ADS 10424B, dG4, optical." Sarin. 1481 53 Eri 29503 149781 W 4 38 10.8 -14 18 14 3.87 1.09 1.01 K2IIIb 3.4 0.8 Sceptrum. 8775 53 Bet Peg 217906 90981 16483 Bet Pe 23 3 46.5 28 4 58 2.42 1.67 1.96 M2.5II-III e 7 253.1 AC 3 SCHEAT; Sheat; Seat Alpheras; Menkib. Ultraviolet FeII emission. Lb 2.31 - 2.74V. 7754 6 Alp 2Cap 192947 163427 13645 20 18 3.3 -12 32 41 3.57 0.94 0.69 G8IIIb 0.4 377.7 * 9 "IDS notes Alpha1 Cap = HR 7747 (ADS 13632, four components) as one of five components of Alpha2 Cap = HR" "7754 = ADS 13645. Hence, we have recorded n = 9 for both. ADS 13645AB optical; BC 11.2, 11.5v, sep. 1.2"" binary." "Secunda Giedi; Algiedi Secunda; Gredi; Algedi, with HR 7747." 7052 4 Eps 1Lyr 173583 67309 11635 B 18 44 20.3 39 40 16 6.02 F1V 0 209.3 AC 10 See HR 7051. "0.014""." See HR 7051. 7053 5 Eps 2Lyr 173607 67315 11635 C 11301 18 44 22.9 39 36 47 5.14 0.19 0.08 A8Vn 0 209.3 AC 10 "CD 5.23 A3n, 5.47 A5, 585y, a = 2.95"". Component C is speckle binary, sep. 0.184""." "0.025""." Hyades group. See HR 7051. Uncertain whether 7053 or 7054 is variable suspect NSV 11301. 7054 5 Eps 2Lyr 173608 11635 D 11301 18 44 22.9 39 36 46 5.37 F0Vn 0 209.3 AC 10 See HR 7053. "0.025""." See HR 7051. 7618 60 Sgr 189005 188778 19 58 57.2 -26 11 44 4.83 0.9 0.55 G6IIIBa0.2 See HR 7597. 7650 62 Sgr 189763 188844 V3872 20 2 39.5 -27 42 35 4.58 1.65 1.8 M4III See HR 7597. L? 4.45 - 4.61V. 7851 46 Ome 2Cyg 195774 49741 W 13128 20 31 18.8 49 13 13 5.44 1.55 1.92 M2IIIab 4.7 56.8 "See HR 7828, 7844. Ruchba; Rukbat al-dajajah; Al Rukbah al Dajajah." 7844 45 Ome 1Cyg 195556 49712 13932 20 30 3.5 48 57 6 4.95 -0.09 -0.63 B2.5IV 7 56.3 AC 3 "Component B, 12.9v A5V at 18"", optical." In reflection nebula. See HR 7828. In the older literature HR 7844 often confused with HR 7851 (q.v.) because the magnitudes and separations "of the two brighter components of each, 7844AB, 7851AC, are nearly the same, although the position angles differ. In" 5435 27 Gam Boo 127762 64203 9300 Gam Bo 14 32 4.7 38 18 30 3.03 0.19 0.12 A7III 9.5 33.4 3 "Primary found double by speckle interferometry, sep. 0.069"". Component B, optical." Seginus; Ceginus; Haris in Becvar. "Delta Sct 3.02 - 3.07V, 3.23 - 3.28B, 3.20 - 3.25p, 0.2903137d. Hydrogen and Ca lines vary." 7479 5 Alp Sge 185758 105120 12766 19 40 5.8 18 0 50 4.37 0.78 0.43 G1II 6.8 90 AD 4 Companions B and C optical. Sham; Alsahm. Names originally corresponded to whole constellation Sagitta. 553 6 Bet Ari 11636 75012 658 1 54 38.4 20 48 29 2.64 0.13 0.1 A5V Sharatan; Sheratan; Al Sharatain. Delta Sct? 6527 35 Lam Sco 158926 208954 W Lam Sc 17 33 36.5 -37 6 14 1.63 -0.22 -0.89 B2IV+B 10.3 94.9 AC 3 Sco-Cen assoc. SHAULA. Lyman alpha and Lyman beta observed from COPERNICUS. "Beta C 1.59 - 1.65V, 0.2137015d, secondary 0.1068518d, beat period 10.1605d. Also possible 0.04V eclipse. X-ray" flare observed in vicinity Lambda Sco on 1 June 1975. 168 18 Alp Cas 3712 21609 561 Alp Ca 0 40 30.5 56 32 14 2.23 1.17 1.13 K0IIIa 6.7 64.4 AD 4 "D is 8.5v K2IV-V, vsini <54k/s. All components probably optical." SHEDIR; Schedar; Schedir. Cst 2.20 - 2.27V. 7106 10 Bet Lyr 174638 67451 11745 A Bet Ly 18 50 4.8 33 21 46 3.45 0 -0.56 B8IIpe 5.2 45.7 AB 6 "AB fixed. B is 8.6v, B7v; may be collapsed star; vsini 120k/s. E, 9.9v A8pSr or B9V at 67"" optical? F, 9.9v A8-9V or" "or B9V at 86"". A, B, E and F are CPM." Member of the local association (Pleiades group). Sheliak; Shelyak; Shiliak. "Shell star. Far UV COPERNICUS spectrum shows many emission lines, some with P Cygni profiles, presumably originating" "ADS 11745A, EB 3.25 - 4.36V, 12.913834d. Period varies. Presumed disk around secondary. Also radio flare activity." "Prototype Beta Lyrae type, discovered by Goodricke in 1874." 2491 9 Alp CMa 48915 151881 5423 6 45 8.9 -16 42 58 -1.46 0 -0.05 A1Vm 10.3 11.2 AB 4 "AB -1.46 A1V, 8.49 A1V, 50.090y, a = 7.500"" or 49.94y, a = 7.62"". 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. "0.376""." Sirius group; UMa stream. SIRIUS; Canicula; Dog Star; Aschere. Cadmium discovered in spectra from COPERNICUS. Iron overabundant by a factor of 5 in comparison with Sun and titanium by 8610 63 Kap Aqr 214376 146210 W 22 37 45.4 -4 13 41 5.03 1.14 1.16 K2III 3.5 98.3 Situla. 8709 76 Del Aqr 216627 165375 14356 22 54 39 -15 49 15 3.27 0.05 0.08 A3V "Sirius group. Possible Eggen group with HR 63, q.v." Skat; Scheat; Sheat. Also classified A2-4III. 8066 3 Equ 200644 126518 W 21 4 34.7 5 30 10 5.61 1.65 2.02 K5III 6.9 81.7 Some early sources called this Zeta Equ. Not retained. Not Zeta in Bayer. 6957 61 Ser 170920 142372 18 31 57 -1 0 11 5.94 0.16 0.16 A4III "Some older catalogues following BAC call this e Ser. However, Heis and followers, including HR, call HR 6993 = e." 3447 74195 236164 o Vel 8 40 17.6 -52 55 19 3.62 -0.18 -0.64 B3IV In cluster IC 2391 #20. "Sometimes called omicron Vel, but the letter had originally been ""o"" (Roman), not omicron." "Beta C 3.56 - 3.67V, 0.131977d." 6622 161783 245065 W V539 A 17 50 28.2 -53 36 44 5.92 -0.08 -0.64 B2V+B3V 3 12.3 "Sometimes called Upsilon1 Ara, more often Nu1; generally no letter." "EA 5.66 - 6.18V, 3.169128d." 6632 161917 245072 17 51 11 -53 7 50 6.09 0 B9.5III-IV "Sometimes called Upsilon2, more often Nu2 Ara; generally no letter." 2541 60 Aur 50037 59576 S 6 53 13.4 38 26 17 6.3 0.49 dF5 "Sometimes this star, sometimes HR 2547 have been called Psi8 Aur. To avoid future confusion this designation" is abandoned for both. 5056 67 Alp Vir 116658 157923 W Alp Vi 13 25 11.6 -11 9 41 0.98 -0.23 -0.93 B1III-IV+B2V 1.5 0 O 5 "Interferometer indicates visual component A is multiple system. Occultations yield three companions: 3.1v at 0.0025""," "4.5 at 0.05"" and 7.5 at 0.5"". Combined mag. and colors. Visual component B, 12.0v at 148""." "SPICA; Azimech; Spica Virginis; Alaraph, a name also given HR 4540, 4932." "Also variously classified B2V+B2V, B1.5IV-V+B3V, B1V+B3V. Rocket observations show hydrogen lines Lyman alpha" "Ell (Beta C) 0.97 - 1.04V, 4.01454d, and Beta C, 0.1737853d. Period changes." 1152 22 Tau 23441 76164 D 3 46 2.9 24 31 41 6.43 -0.02 -0.15 A0Vn 0 0.1 Suspected occultation double. Pleiades cluster; Mel 22 #859. Sterope II. 7906 9 Alp Del 196867 106357 14121 13207 20 39 38.3 15 54 43 3.77 -0.06 -0.21 B9IV 7.5 43.4 AC 6 Companions optical. Sualocin; Scalovin; Svalocin; Nicolaus. 3852 14 Omi Leo 83808 98709 7480 9 41 9 9 53 32 3.52 0.49 0.21 F6II+A1-5V 0.2 0 3 "Component B, 9.9v at 85""." Subra. 3207 Gam 2Vel 68273 219504 W A Gam2 V 8 9 32 -47 20 12 1.78 -0.22 -0.99 WC8+O9I v 2.3 41.2 AB 5 "See HR 3206. Mag. and colors blended with other companions. C = CoD -46d3848, 7.65V, B6V at 63"", physical. D, 9.07V," "Am at 94"", SB, over 7d?, optical." "Gamma Velorum group which includes HR 3206, probably also HD 68157 at 20' and HR 3213 at 36' from A; HII region." "Suhail al Muhlif; Al Suhail al Muhlif; ""Spectral Gem of Southern Skies""." Magnesium and iron depleted by factor of 100 relative to the sun. UV spectrum dominated by supergiant companions. The "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. 7178 14 Gam Lyr 176437 67663 11908 11624 18 58 56.6 32 41 22 3.24 -0.05 -0.09 B9III 8.3 176.9 AC 4 "B, 12.1v at 13"", optical." Sulafat; Sulaphat. 5338 99 Iot Vir 124850 139824 6604 14 16 0.9 -6 0 2 4.08 0.52 0.04 F6III Wolf 630 group. Syrma. 4.06 - 4.11V. 3569 9 Iot UMa 76644 42630 7114 4329 8 59 12.4 48 2 30 3.14 0.19 0.07 A7IV 7.2 3.9 AB 4 "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." "0.066""." Hyades group. Talitha; Talita. "ADS 7114A, S, 3.12 - 3.18V, 0.071d." 4069 34 Mu UMa 89758 43310 4829 10 22 19.7 41 29 58 3.05 1.59 1.89 M0III e Tania Australis. Ultraviolet FeII emission. H and K emission. "E?, 2.99 - 3.33V." 4033 33 Lam UMa 89021 43268 10 17 5.8 42 54 52 3.45 0.03 0.06 A2IV Hyades group. "Tania Borealis. With HR 4069, Al Kafzah al Thaniyah." 7525 50 Gam Aql 186791 105223 W 19 46 15.6 10 36 48 2.72 1.52 1.68 K3II e 8 132.6 TARAZED; Reda. Ultraviolet FeII emission. 1145 19 Tau 23338 76140 W 1264 3 45 12.5 24 28 2 4.3 -0.11 -0.46 B6IV 1.5 0 A 3 "Primary is SB, 4.6, 6.1v, sep. 0.012"". Visual pair 4.4, 8.1v, sep. 69""." Pleiades cluster; Mel 22 #563; embedded in reflection nebulosity. Taygeta; Taygete. 3208 16 Zet 1Cnc 68257 97645 6650 A 8 12 12.7 17 38 52 5.63 0.54 0.06 F8V 0.4 0.9 AB 5 "Combined mag. and color for 3208-9-10, 4.67V, +0.53(B-V). AB 5.63 F7V, 6.02 F9V combined colors (AB), 59.7y," "a = 0.884"". Component C = HR 3210." "0.039""." Tegmen; Tegmine. 2286 13 Mu Gem 44478 78297 4990 Mu Ge 6 22 57.6 22 30 49 2.88 1.64 1.85 M3IIIab e 8.1 121.7 AxBC 3 Zeta Her group. Tejat Posterior; Calx; Pish Pai. Ultraviolet FeII emission. Lb 2.76 - 3.02V. 7604 59 Sgr 188603 188742 19 56 56.8 -27 10 12 4.52 1.46 1.57 K2.5IIb "Terebellum, name shared with HR 7597, 7618, 7650." 7597 58 Ome Sgr 188376 188722 19 55 50.4 -26 17 58 4.7 0.75 0.32 G5V "Terebellum, name shared with HR 7604, 7618, 7650." 1855 36 Ups Ori 36512 132222 5 31 55.8 -7 18 5 4.62 -0.26 -1.07 B0V Ori OB1c; sword of Orion. Thabit; Tabit. See HR 1543. 1464 52 Ups 2Eri 29291 195148 4 35 33 -30 33 44 3.82 0.98 0.72 G8IIIa "Theemim; Beemin. Allen applies this name, after Bayer, to the series of stars, Upsilon1 through Upsilon7" "Eri, or HR 1143, 1195, 1214, 1347, 1393, 1453 and 1464. (The order of the superscripts varies among different" Also classified G8IIIa. 5291 11 Alp Dra 123299 16273 6546 14 4 23.3 64 22 33 3.65 -0.05 -0.08 A0III "THUBAN; Adib; Dragon's Tail. Former Pole Star, about 2700 B.C." High Si and Cr abundance. "Alpha CV?, 3.64 - 3.67V." 510 11 Omi Psc 10761 110110 615 1 45 23.6 9 9 28 4.26 0.96 0.71 G8III Torcularis Septentrionalis. 3699 Iot Car 80404 236808 4444 9 17 5.4 -59 16 31 2.25 0.18 0.16 A8Ib Turais; Tureis; Scutulum; Aspidiske. 2.2 - 2.5:v. 7582 63 Eps Dra 188119 9540 13007 12465 19 48 10.4 70 16 4 3.83 0.89 0.52 G7IIIbCN-2 3.2 3.2 "Binary, companion K5III (AJ, 82, 431, 1977). However, Buscombe points out that the companion is F6V and this is more" "consistent with the magnitude difference between the components, if physical." "0.012""." Tyl. 5854 24 Alp Ser 140573 121157 9765 15 44 16.1 6 25 32 2.65 1.17 1.24 K2IIIbCN1 8.3 58.2 AB 3 "SR? Amp. 0.2V. ADS 9765B, optical." UNUKALHAI; Unuk al Hay; Unuk Elhaia; Unuk; Unukalhay; Cor Serpentis. 5764 35 Zet 4Lib 138485 159335 7126 15 32 55.2 -16 51 10 5.5 -0.14 -0.75 B2Vn 2 0 Sco-Cen assoc.; doubtful member of the Sco-Cen cluster. Usually called Zeta Lib. 7001 3 Alp Lyr 172167 67174 11510 Alp Ly 18 36 56.3 38 47 1 0.03 0 -0.01 A0Va 10.4 62.8 AB 5 "Companions in IDS optical. BD=+38d3231, 8.6v, 23' N. prec., may be CPM." VEGA; Wega; Fidis; Harp Star. Cadmium found for first time in spectra from COPERNICUS. "Delta Sct -0.02 to +0.07V, 0.19d." 4932 47 Eps Vir 113226 100384 W 6064 13 2 10.6 10 57 33 2.83 0.94 0.73 G8IIIab 8.9 248.7 Probable Hyades group. "VINDEMIATRIX; Vindemiator; Vendemiatrix; Almuredin; Provindemiator; Protrigetrix; Protrygetor; Alaraph, a name also" applied to HR 4540 and 5056. 2777 55 Del Gem 56986 79294 5983 7 20 7.4 21 58 56 3.53 0.34 0.04 F2IV 2 0.2 O 3 "AB 3.55 F0IV, 8.18 K3V, 1200y, a = 6.975"". Component A is SB, 3.7, 5.7v, sep. 0.2""." "0.039""." Wasat; Wesat. "Variously classified A9III, F0IV, F2IV." 2693 25 Del CMa 54605 173047 3424 7 8 23.5 -26 23 36 1.84 0.68 0.54 F8Ia Member OB group near Omicron CMa; Collinder 121 (#31). Wezen; Alwazn; Wesen; Al Wazor. 2040 Bet Col 39425 196240 5 50 57.6 -35 46 6 3.12 1.16 1.21 K2III 61 Cyg group. Wezn; Wazn. 7051 4 Eps 1Lyr 173582 67310 11635 A 18 44 20.4 39 40 12 5.06 0.16 0.06 A4V 0 209.3 AC 10 "AB 5.00 A2n, 6.10 A4n, 1165.6y, a = 2.78"". Binary with HR 7052 = B, and CPM with HR 7053-4 at 208"". Combined mag." "and colors for HR 7051-2 are 6.48V, +0.19(B-V), +0.04(U-B)." "0.015""." Hyades group. With HR 7052-4 called the Double Double in Lyra. 6075 2 Eps Oph 146791 141086 W 16 18 19.3 -4 41 33 3.24 0.96 0.75 G9.5IIIbFe-0.5 9.1 110.6 Yed Posterior. Oxygen deficient relative to magnesium. 6056 1 Del Oph 146051 141052 W 7556 16 14 20.7 -3 41 40 2.74 1.58 1.96 M0.5III e 10.4 65.5 Yed Prior; Yad; Yed; Jed. Ultraviolet FeII emission. 6789 23 Del UMi 166205 2937 17 32 12.9 86 35 11 4.36 0.02 0.03 A1Vn Yildun; Vildiur; Gildun. 4689 15 Eta Vir 107259 138721 D 5555 12 19 54.4 0 40 1 3.89 0.02 0.06 A2IV 0.5 0 3 "4.9, 5.4, sep. 0.008"". Also astrometric and interferometric double, 5.4v sep. 0.124"", position angle changed 35d in" 1.5yrs. Zaniah. Delta Sct? 1231 34 Gam Eri 25025 149283 2904 Gam Er 3 58 1.8 -13 30 31 2.95 1.59 1.96 M0.5IIICa-1Cr-1 e 9.5 52.8 Zaurak; Zaurac; Zaurack. Ultraviolet FeII emission. Also classified M0.5III-IIIb Ca-1 Cr-1. 2.88 - 2.96V. 4540 5 Bet Vir 102870 119076 W 11 50 41.7 1 45 53 3.61 0.55 0.11 F9V 5 512.3 AC 3 Companions optical. "Zavijah; Zavijava; Zavyava; Zawijah; Zarijan; Minelauva; Alaraph, a name also applied to HR 4932 and 5056." 984 13 Zet Eri 20320 130387 1088 3 15 50 -8 49 11 4.8 0.23 0.09 A5m "Zibal in Becvar, but this does not correspond to the position of Al Zibal (in Phoenix) described by Allen." 4357 68 Del Leo 97603 81727 W 5143 11 14 6.5 20 31 25 2.56 0.12 0.12 A4V 6 191.4 AB 3 Sirius group; UMa stream. Zosma; Zozma; Zosca; Zozca; Duhr; Dhur; Zubra. Delta Sct? 5787 38 Gam Lib 138905 159370 9704 15 35 31.6 -14 47 22 3.91 1.01 0.74 G8.5III 0.2 0.1 AP 3 "ADS 9704 AP, sep. 0.097"", unresolved by speckle interferometry. Component B, 11.2v at 42"", optical." Zuben Elakrab; Zuben Hakraki; Zuben el Hakrabi. 5586 19 Del Lib 132742 140270 W Del Li 15 0 58.4 -8 31 8 4.92 0 -0.1 B9.5V 6.4 106.3 AC 4 Zuben Elakribi. "EA 4.92 - 5.90V, 2.32735297d, period may vary. Component A of quadruple system. Contact binary." 5531 9 Alp 2Lib 130841 158840 W A 6827 14 50 52.7 -16 2 30 2.75 0.15 0.09 A3IV 0.4 0 O 3 CPM with HR 5530. Suspected occultation double. Zuben Elgenubi; Zubenelgenubi; Kiffa Australis; Elkhiffa Australis. 5685 27 Bet Lib 135742 140430 7009 15 17 0.4 -9 22 59 2.61 -0.11 -0.36 B8V Zuben Elschemali; Zuben Eschamali; Zuben el Chamali; Zubenesch; Zubenelg; Kiffa Borealis. C1 neutral carbon continuum shows discontinuities in UV. "Described by Eratosthenes (ca. 200 B.C.) as brighter than Antares, by Ptolemy (ca. 150 A.D.) as equal to Antares."