Catalogues

Corona Borealis / Yale Bright Star Catalog (HR)

«Yale Bright Star Catalogue, 5th Revised Ed.» Hoffleit D., Warren Jr W.H., 1991 [154]
HR B F DM HD SAO FK5 IR M* ADS VarID RA Dec vMag spType dMag Sep Remarks
HR 5702 BD+33 2574 136403 64630 15 19 30.2 +32 30 55 6.32 A2m SB:3.5773d, K 59.4k/s, V0 -22.2k/s, msin3i 0.492, asini 2.91.
HR 5709 ο 1 BD+30 2647 136512 83768 W 7032 15 20 08.5 +29 36 58 5.51 K0III 3.9 147.3
HR 5727 η 2 BD+30 2653 137107 64673 9617 A 7054 15 23 12.3 +30 17 16 5.58 H G0V 0.3 0.5 D: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 5728 η 2 BD+30 2653 137108 0 9617 B 7054 15 23 12.3 +30 17 16 6.08 H G3V 0.3 0.5 D:See HR 5727.,DYN:0.054".,G:UMa stream.,VAR:See HR 5727.
HR 5747 β 3 BD+29 2670 137909 83831 572 W Bet CrB 15 27 49.7 +29 06 21 3.68 F0p v 1.5 0.3 D: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 5760 BD+31 2742 138341 64736 15 30 22.7 +31 17 10 6.46 A4IV
HR 5769 BD+37 2653 138525 64754 15 31 22.4 +36 36 59 6.38 F6III
HR 5778 θ 4 BD+31 2750 138749 64769 576 W 7134/5 15 32 55.8 +31 21 33 4.14 B6Vnne 1.4 0.5 G: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 5793 α 5 BD+27 2512 139006 83893 578 I Alp CrB 15 34 41.3 +26 42 53 2.23 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 5800 μ 6 BD+39 2889 139153 64790 I 15 35 15.0 +39 00 36 5.11 M1.5III-IIIb
HR 5808 BD+38 2678 139284 64797 15 35 49.3 +38 22 26 6.42 R K2
HR 5813 BD+30 2682 139389 64808 15 36 53.4 +29 59 28 6.52 F5V:
HR 5827 BD+35 2711 139761 64825 3238 15 38 48.9 +34 40 30 6.11 K0
HR 5833 ζ1 7 BD+37 2665 139891 64833 9737 B 15 39 22.2 +36 38 12 6.00 H B9V 1.0 6.4 D:Binary with HR 5834. Colors for combined light; combined mag., 66V.,DYN:0.010".
HR 5834 ζ2 7 BD+37 2665 139892 64834 9737 A 15 39 22.7 +36 38 09 5.07 H B7V 1.0 6.4 D: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 5849 γ 8 BD+26 2722 140436 83958 9757 Gam CrB 15 42 44.6 +26 17 44 3.84 B9IV+A3V 1.5 0.2 D: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 5855 π 9 BD+32 2621 140716 64870 3249 15 43 59.3 +32 30 57 5.56 gG9
HR 5877 BD+32 2631 141456 64915 I 15 48 02.0 +31 44 09 6.44 R K5
HR 5880 BD+28 2477 141527 84015 I R CrB 15 48 34.4 +28 09 24 5.85 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 5889 δ 10 BD+26 2737 141714 84019 3252 I Del CrB 15 49 35.7 +26 04 06 4.63 G3.5III-IVFe-1
HR 5901 κ 11 BD+36 2652 142091 64948 1414 I W 15 51 13.9 +35 39 27 4.82 K1IVa 6.7 134.6
HR 5936 λ 12 BD+38 2712 142908 64974 3259 W 15 55 47.6 +37 56 49 5.45 F0IV 4.5 94.3 S:Also classified A7III.
HR 5947 ε 13 BD+27 2558 143107 84098 593 I 9859 15 57 35.3 +26 52 40 4.15 K2IIIab 7.3 101.4 D:Component B, 12.6v at 2", CPM.,M:Possible X-ray source 3U1555+27.
HR 5957 BD+37 2695 143435 65001 I 15 58 57.7 +36 38 38 5.62 gK5
HR 5958 BD+26 2765 143454 84129 I W T CrB 15 59 30.2 +25 55 13 2.00 H sdBe+gM3+Q 0.2 D: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 5968 ρ 15 BD+33 2663 143761 65024 W 16 01 02.7 +33 18 13 5.41 G0+VaFe-1 3.2 89.6 D:Companion optical.
HR 5971 ι 14 BD+30 2738 143807 84152 3264 7396 16 01 26.6 +29 51 04 4.99 A0p:Hg: G:Pleiades group.,RV:384d?,S:HgMn star. Overabundant mercury.,VAR:Alpha CV?, 4.96 - 5.08V.
HR 5983 BD+37 2708 144208 65049 S 16 03 19.4 +36 37 54 5.83 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 6018 τ 16 BD+36 2699 145328 65108 1423 I 9939 7488 16 08 58.3 +36 29 27 4.76 K1-III-IV 8.3 2.2 D:CPM.
HR 6043 BD+33 2696 145802 65129 9958 16 11 39.7 +33 20 33 6.29 K2III 4.3 5.4 D:AB binary. C, 10.5v at 78".
HR 6046 BD+36 2706 145849 65132 I W 16 11 48.0 +36 25 30 5.63 K3III 0.1 0.1 D: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 6052 BD+27 2603 145976 84247 9966 16 12 45.3 +26 40 15 6.50 F3V 3.8 2.6
HR 6063 σ 17 BD+34 2750 146361 65165 9979 A TZ CrB 16 14 40.8 +33 51 31 5.64 G0VCaIIe 1.0 6.4 D: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 6064 σ 17 BD+34 2750 146362 0 9979 B 16 14 40.8 +33 51 30 6.66 H G1V 1.0 6.4 D:Binary with HR 6063, q.v.,DYN:0.047".
HR 6068 BD+27 2613 146537 84269 16 15 47.4 +27 25 20 6.14 K2
HR 6074 υ 18 BD+29 2803 146738 84281 3287 9990 7596 16 16 44.8 +29 09 01 5.78 A3V 4.3 123.4 G:Sirius group? UMa stream.
HR 6103 ξ 19 BD+31 2845 147677 65254 3294 I W 16 22 05.8 +30 53 31 4.85 K0III 7.4 185.1 G:Hyades group.
HR 6107 ν1 20 BD+34 2773 147749 65257 I W 7676 16 22 21.4 +33 47 57 5.20 M2IIIab 0.1 364.4
HR 6108 ν2 21 BD+34 2774 147767 65259 I 16 22 29.2 +33 42 13 5.39 K5III
HR 6110 BD+32 2716 147835 65262 1428 10031 16 22 56.5 +32 19 59 6.40 A4Vn 2.9 32.4 D: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]
HR Harvard Revised Number = Bright Star Number
B Bayer designation (greek letter)
F Flamsteed number
DM Durchmusterung Identification (BD = Bonn; CD = Cordoba; CP = Cape Photographic)
HD Henry Draper Catalog Number
SAO SAO Catalog Number
FK5 FK5 star Number
IR I 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;)
ADS Aitken's Double Star Catalog (ADS) designation
VarID Variable star identification
RA Right Ascension (J2000.0)
Dec Declination (J2000.0)
vMag Visual magnitude
spType Spectral type
dMag Magnitude difference of double, or brightest multiple
Sep Separation of components in Dmag if occultation binary (arcsec)
Remarks Note 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