Catalogues

Corona Borealis / Yale Bright Star Catalog (HR)

«Yale Bright Star Catalogue, 5th Revised Ed.» Hoffleit D., Warren Jr W.H., 1991 [154]
HRBFDMHDSAOFK5IRM*ADSVarIDRADecvMagspTypedMagSepRemarks
HR 5702BD+33 257413640364630 15 19 30.2+32 30 556.32 A2m SB:3.5773d, K 59.4k/s, V0 -22.2k/s, msin3i 0.492, asini 2.91.
HR 5709ο1BD+30 264713651283768W 7032 15 20 08.5+29 36 585.51 K0III 3.9147.3
HR 5727η2BD+30 2653137107646739617 A7054 15 23 12.3+30 17 165.58 H G0V 0.30.5D:AB 5.62 G1V, 5.89 G3V, 41.623y, a = 0.907". B is HR 5728. Colors for combined images. Mag. for blend 4.98V. Masses,D:0.95 and 0.94 solar. C, 13.4v at 58" optical; D, 11v at 215" probably optical.,DYN:0.054".,G:UMa cluster; Sirius group? UMa stream.,SB:ADS 9617A, 41.56y D, K 4.5k/s, V0 -6.0k/s, asini 904.,VAR:Blend of 5727/8, 4.94 - 5.02V. Uncertain which component is the variable.
HR 5728η2BD+30 265313710809617 B7054 15 23 12.3+30 17 166.08 H G3V 0.30.5D:See HR 5727.,DYN:0.054".,G:UMa stream.,VAR:See HR 5727.
HR 5747β3BD+29 267013790983831572W Bet CrB15 27 49.7+29 06 213.68 F0p v1.50.3D:First astrometric binary discovered from parallax measurements, by K. Burns, 1931.,G:Hyades group.,N:Nusakan.,S:Also classified A8IIIpSrCrEu. Extreme oxygen deficiency relative to magnesium. Magnetic field an indicator of stellar,S:rotation. Uranium 3860 but not thorium in spectrum.,SB:10.496y, K 9.2k/s, V0 -18.0k/s, asini 442. The two SB components first resolved visually 1975. Possible secondary RV,SB:period 320.17d. Resolved by speckle interferometry 1986.45, sep. 0.31".,VAR:Alpha CV 3.65 - 3.72V, 18.487d. Magnetic field and rotation same period. Variable H alpha. Amp., light,,VAR:magnetic field, spectrum vary per. 10.5y. Possible secondary light period of 240d.
HR 5760BD+31 274213834164736 15 30 22.7+31 17 106.46 A4IV
HR 5769BD+37 265313852564754 15 31 22.4+36 36 596.38 F6III
HR 5778θ4BD+31 275013874964769576W 7134/5 15 32 55.8+31 21 334.14 B6Vnne 1.40.5G:Member of the local association (Pleiades group).,RV:Primary probably not variable and velocity probably constant.,VAR:Component A is NSV 7134, 4.12V, amp. 0.7m. However, 1300 UBV observations on 57 nights (1984-6) revealed no variation,VAR:over 0.06 mag. R-I also found at -0.16. Component B, the rarely seen companion, is NSV 7135, 5.5, 7.8v.
HR 5793α5BD+27 251213900683893578I Alp CrB15 34 41.3+26 42 532.23 A0V+G5V G:Sirius group; UMa stream.,N:ALPHEKKA; Alphecca; Alphacca; Gemma; Gnosia; The Jewel; Gnosia Stella Coronae; Ashtaroth.,SB:17.3599d, K 35.8k/s, V0 +1.5k/s, asini 7.83; EB, i 88.3d.,VAR:EA 2.21 - 2.32B, 17.359907d. Possibly also intrinsic var.
HR 5800μ6BD+39 288913915364790I 15 35 15.0+39 00 365.11 M1.5III-IIIb
HR 5808BD+38 267813928464797 15 35 49.3+38 22 266.42 R K2
HR 5813BD+30 268213938964808 15 36 53.4+29 59 286.52 F5V:
HR 5827BD+35 2711139761648253238 15 38 48.9+34 40 306.11 K0
HR 5833ζ17BD+37 2665139891648339737 B15 39 22.2+36 38 126.00 H B9V 1.06.4D:Binary with HR 5834. Colors for combined light; combined mag., 66V.,DYN:0.010".
HR 5834ζ27BD+37 2665139892648349737 A15 39 22.7+36 38 095.07 H B7V 1.06.4D:Binary with HR 5833.,DYN:0.010".,SB:ADS 9737A, B6V+B6V, 12.5842d, K 126.1k/s, V0 -14.3k/s, msin3i 9.40, asini 21.8. Both components vsini 100:k/s.
HR 5849γ8BD+26 2722140436839589757 Gam CrB15 42 44.6+26 17 443.84 B9IV+A3V 1.50.2D:4.08 A0IV, 5.51 A3V, 91.0y, a = 0.74". Combined mag., color.,DYN:0.018".,G:Hyades group.,SB:ADS 9757A.,VAR:Delta Sct 3.80-3.86V, 0.030d. Mass 1.9 solar. Possibly beat period?
HR 5855π9BD+32 2621140716648703249 15 43 59.3+32 30 575.56 gG9
HR 5877BD+32 263114145664915I 15 48 02.0+31 44 096.44 R K5
HR 5880BD+28 247714152784015I R CrB15 48 34.4+28 09 245.85 G0Iep C:IR excess.,S:Hydrogen deficient carbon star. At minimum, emission of CaII, NaI, ScII, TiII, SrII, and FeII. Spectra at 2 and 10,S:micrometers indicate a thick dust shell either around R CrB or a companion.,VAR:R CB 5.8 - 14.8v. The prototype star, discovered by Pigott in 1795.
HR 5889δ10BD+26 2737141714840193252I Del CrB15 49 35.7+26 04 064.63 G3.5III-IVFe-1
HR 5901κ11BD+36 2652142091649481414IW 15 51 13.9+35 39 274.82 K1IVa 6.7134.6
HR 5936λ12BD+38 2712142908649743259W 15 55 47.6+37 56 495.45 F0IV 4.594.3S:Also classified A7III.
HR 5947ε13BD+27 255814310784098593I9859 15 57 35.3+26 52 404.15 K2IIIab 7.3101.4D:Component B, 12.6v at 2", CPM.,M:Possible X-ray source 3U1555+27.
HR 5957BD+37 269514343565001I 15 58 57.7+36 38 385.62 gK5
HR 5958BD+26 276514345484129IW T CrB15 59 30.2+25 55 132.00 H sdBe+gM3+Q 0.2D:Visual companion doubtful.,N:"Blaze Star.",SB:227.6d, K 24.0k/s, V0 -27.0k/s, msin3i 2.60, asini 75.0.,VAR: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),,VAR:+0.59(U-B).
HR 5968ρ15BD+33 266314376165024W 16 01 02.7+33 18 135.41 G0+VaFe-1 3.289.6D:Companion optical.
HR 5971ι14BD+30 2738143807841523264 7396 16 01 26.6+29 51 044.99 A0p:Hg: G:Pleiades group.,RV:384d?,S:HgMn star. Overabundant mercury.,VAR:Alpha CV?, 4.96 - 5.08V.
HR 5983BD+37 270814420865049S 16 03 19.4+36 37 545.83 A2V+F7III S:Also classified G5II-III + A3.,SB:108.075d, K 19.6k/s, V0 -1.9k/s, msin3i 0.477, asini 29.1. vsini of F7 component =<50k/s; A2 component 23k/s.
HR 6018τ16BD+36 2699145328651081423I9939 7488 16 08 58.3+36 29 274.76 K1-III-IV 8.32.2D:CPM.
HR 6043BD+33 2696145802651299958 16 11 39.7+33 20 336.29 K2III 4.35.4D:AB binary. C, 10.5v at 78".
HR 6046BD+36 270614584965132IW 16 11 48.0+36 25 305.63 K3III 0.10.1D:Sep. 0.090".,SB:2150d, K 16.0k/s, V0 -30.6k/s, asini 378. Unresolved by speckle interferometry. Uncertain if visual secondary is,SB:also the SB secondary.
HR 6052BD+27 2603145976842479966 16 12 45.3+26 40 156.50 F3V 3.82.6
HR 6063σ17BD+34 2750146361651659979 ATZ CrB16 14 40.8+33 51 315.64 G0VCaIIe 1.06.4D:AB 5.58 F8V, 6.59 G1V, 1000.0y, a = 6.599". Radio binary: component B is HR 6064. C, 13v at 9" and D, 10.8v at 71",D:optical. Also, 12.5v at 633" CPM.,DYN:0.048".,SB:ADS 9979A, mag. diff 0.2, one component the Delta Sct var. 1.1398d, K 60.1k/s, V0 -11.9k/s, msin3i 0.133,,SB:asini 0.942. Both components vsini =<25k/s.,VAR:ADS 9979A, Delta Sct, amp. 0.05V, 1.139789d, with possible secondary period of 0.1d. ADS 9979D = NSV 7576, 10.8v,VAR:optical, suspected var. in 1868, not confirmed.
HR 6064σ17BD+34 275014636209979 B16 14 40.8+33 51 306.66 H G1V 1.06.4D:Binary with HR 6063, q.v.,DYN:0.047".
HR 6068BD+27 261314653784269 16 15 47.4+27 25 206.14 K2
HR 6074υ18BD+29 28031467388428132879990 7596 16 16 44.8+29 09 015.78 A3V 4.3123.4G:Sirius group? UMa stream.
HR 6103ξ19BD+31 2845147677652543294IW 16 22 05.8+30 53 314.85 K0III 7.4185.1G:Hyades group.
HR 6107ν120BD+34 277314774965257IW 7676 16 22 21.4+33 47 575.20 M2IIIab 0.1364.4
HR 6108ν221BD+34 277414776765259I 16 22 29.2+33 42 135.39 K5III
HR 6110BD+32 271614783565262142810031 16 22 56.5+32 19 596.40 A4Vn 2.932.4D:Visual companion, 9.76V, +0.87(B-V), +0.43, G7IV:.,G:In Ursa cluster?,N:23 Her in CrB.,RV:ADS 10031B, +44k/s, optical.,SB:ADS 10031A.

Legend

Key to columns [154]
HRHarvard Revised Number = Bright Star Number
BBayer designation (greek letter)
FFlamsteed number
DMDurchmusterung Identification (BD = Bonn; CD = Cordoba; CP = Cape Photographic)
HDHenry Draper Catalog Number
SAOSAO Catalog Number
FK5FK5 star Number
IRI if infrared source
M*Double or multiple-star code. (A = Astrometric binary; D = Duplicity discovered by occultation; I = Innes, Southern Double Star Catalogue (1927); R = Rossiter, Michigan Publ. 9, 1955; S = Duplicity discovered by speckle interferometry; W = Worley (1978) update of the IDS;)
ADSAitken's Double Star Catalog (ADS) designation
VarIDVariable star identification
RARight Ascension (J2000.0)
DecDeclination (J2000.0)
vMagVisual magnitude
spTypeSpectral type
dMagMagnitude difference of double, or brightest multiple
SepSeparation of components in Dmag if occultation binary (arcsec)
RemarksNote on Category (C = Colors; D = Double and multiple stars; DYN = Dynamical parallaxes; G = Group membership; M = Miscellaneous; N = Star names; P = Polarization; R = Stellar radii or diameters; RV = Radial and/or rotational velocities; S = Spectra; SB = Spectroscopic binaries; VAR = Variability)

References