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V/50/catalog Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)
The main part of the Catalogue (9110 rows)
  HR=8146
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ColumnValue  Explain   (UCD)
_RAJ200021 17 55.100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+34 53 49.00 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195021 15 51.583 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+34 41 10.24 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon080.976763 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-10.052597 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
8146recno 8146  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR8146  (i) [1/9110] Harvard Revised Number = Bright Star Number (meta.id;meta.main)
Name 66Ups Cyg  Name, generally Bayer and/or Flamsteed name (meta.id)
DMBD+34 4371  Durchmusterung Identification (zone in bytes 17-19) (meta.id)
HD202904   [1/225300] Henry Draper Catalog Number (meta.id)
SAO 71173   [1/258997] SAO Catalog Number (meta.id)
FK51559   FK5 star Number (meta.id)
IRflag    [I] I if infrared source (meta.note)
r_IRflag    [ ':] Coded reference for infrared source (Note)   (meta.ref)
Multiple    [AWDIRS] Double or multiple-star code (Note)   (meta.note)
ADS14831  Aitken's Double Star Catalog (ADS) designation (meta.id)
ADScomp   ADS number components (meta.id)
VarIDUps Cyg  Variable star identification (meta.id)
RAJ200021 17 55.1 "h:m:s" (i) Hours RA, equinox J2000, epoch 2000.0 (Note 1)   (pos.eq.ra;meta.main)
DEJ2000+34 53 49 "d:m:s" (i) Sign Dec, equinox J2000, epoch 2000.0 (Note 1)   (pos.eq.dec;meta.main)
GLON 80.98 deg Galactic longitude (Note 1)   (pos.galactic.lon)
GLAT-10.05 deg Galactic latitude (Note 1)   (pos.galactic.lat)
Vmag 4.43 mag Visual magnitude (Note 1)   (phot.mag;em.opt.V)
n_Vmag    [ HR] Visual magnitude code (Note)   (meta.note)
u_Vmag    [ :?] Uncertainty flag on V (meta.code.error)
B-V-0.11 mag B-V color in the UBV system (phot.color;em.opt.B;em.opt.V)
u_B-V    [ :?] Uncertainty flag on B-V (meta.code.error)
U-B-0.82 mag U-B color in the UBV system (phot.color;em.opt.U;em.opt.B)
u_U-B    [ :?] Uncertainty flag on U-B (meta.code.error)
R-I-0.08 mag R-I in system specified by n_R-I (phot.color;em.opt.R;em.opt.I)
n_R-I    [CE:?D] Code for R-I system (Cousin, Eggen) (meta.note)
SpType B2Vne  Spectral type (src.spType)
n_SpType    [evt] Spectral type code (meta.note)
pmRA 0.014 arcsec/yr Annual proper motion in RA J2000, FK5 system (pos.pm;pos.eq.ra)
pmDE-0.002 arcsec/yr Annual proper motion in Dec J2000, FK5 system (pos.pm;pos.eq.dec)
n_Parallax    [D] D indicates a dynamical parallax, otherwise a trigonometric parallax (meta.note)
Parallax 0.019 arcsec Trigonometric parallax (unless n_Parallax) (pos.parallax.trig)
RadVel 4 km/s Heliocentric Radial Velocity (phys.veloc;pos.heliocentric)
n_RadVelSB?   [V?SB123O ] Radial velocity comments (Note)   (meta.note)
l_RotVel    [≤> ] Rotational velocity limit characters (meta.code.error)
RotVel261 km/s Rotational velocity, v sin i (phys.veloc.rotat)
u_RotVel    [ :v] uncertainty and variability flag on RotVel (meta.code.error)
Dmag 6.4 mag Magnitude difference of double, or brightest multiple (phot.mag;arith.diff)
Sep 15.3 arcsec Separation of components in Dmag if occultation binary. (pos.angDistance)
MultIDAB  Identifications of components in Dmag (meta.code.multip)
MultCnt 3   Number of components assigned to a multiple (meta.number)
NoteFlag*   [*] a star indicates that there is a note (see file notes) (meta.note)
  
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