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VizieR

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V/50/catalog Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)
The main part of the Catalogue (9110 rows)
  HR==7924
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ColumnValue  Explain   (UCD)
_RAJ200020 41 25.900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+45 16 49.00 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
7924recno 7924  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7924  (i) [1/9110] Harvard Revised Number = Bright Star Number (meta.id;meta.main)
Name 50Alp Cyg  Name, generally Bayer and/or Flamsteed name (meta.id)
DMBD+44 3541  Durchmusterung Identification (zone in bytes 17-19) (meta.id)
HD197345   [1/225300] Henry Draper Catalog Number (meta.id)
SAO 49941   [1/258997] SAO Catalog Number (meta.id)
FK5 777   FK5 star Number (meta.id)
IRflagI   [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)
ADS14172  Aitken's Double Star Catalog (ADS) designation (meta.id)
ADScomp   ADS number components (meta.id)
VarIDAlp Cyg  Variable star identification (meta.id)
RAJ200020 41 25.9 "h:m:s" (i) Hours RA, equinox J2000, epoch 2000.0 (Note 1)   (pos.eq.ra;meta.main)
DEJ2000+45 16 49 "d:m:s" (i) Sign Dec, equinox J2000, epoch 2000.0 (Note 1)   (pos.eq.dec;meta.main)
GLON 84.28 deg Galactic longitude (Note 1)   (pos.galactic.lon)
GLAT 2.00 deg Galactic latitude (Note 1)   (pos.galactic.lat)
Vmag 1.25 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 0.09 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-0.24 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 0.10 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 A2Ia  Spectral type (src.spType)
n_SpTypet   [evt] Spectral type code (meta.note)
pmRA 0.003 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-0.006 arcsec Trigonometric parallax (unless n_Parallax) (pos.parallax.trig)
RadVel -5 km/s Heliocentric Radial Velocity (phys.veloc;pos.heliocentric)
n_RadVelSBO   [V?SB123O ] Radial velocity comments (Note)   (meta.note)
l_RotVel    [≤> ] Rotational velocity limit characters (meta.code.error)
RotVel 21 km/s Rotational velocity, v sin i (phys.veloc.rotat)
u_RotVel    [ :v] uncertainty and variability flag on RotVel (meta.code.error)
Dmag10.0 mag Magnitude difference of double, or brightest multiple (phot.mag;arith.diff)
Sep 75.4 arcsec Separation of components in Dmag if occultation binary. (pos.angDistance)
MultID   Identifications of components in Dmag (meta.code.multip)
MultCnt    Number of components assigned to a multiple (meta.number)
NoteFlag*   [*] a star indicates that there is a note (see file notes) (meta.note)
V/50/notes Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)
Remarks (9190 rows)
  HR==7924
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ColumnValue  Explain   (UCD)
8081recno 8081  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7924   [1/9110] Harvard Revised (HR) (meta.id;meta.main)
Count 1  Note counter (sequential for a star) (meta.note)
CategoryG:   [A-Z: ] Remark category abbreviation: (Note)   (meta.note)
RemarkCyg OB7.  Remarks in free form text (meta.note)
ColumnValue  Explain   (UCD)
8082recno 8082  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7924   [1/9110] Harvard Revised (HR) (meta.id;meta.main)
Count 1  Note counter (sequential for a star) (meta.note)
CategoryN:   [A-Z: ] Remark category abbreviation: (Note)   (meta.note)
RemarkDENEB; Deneb Cygni; Deneb el Adige; Arided; Aridif; Gallina; Arrioph.  Remarks in free form text (meta.note)
ColumnValue  Explain   (UCD)
8083recno 8083  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7924   [1/9110] Harvard Revised (HR) (meta.id;meta.main)
Count 1  Note counter (sequential for a star) (meta.note)
CategoryRV:   [A-Z: ] Remark category abbreviation: (Note)   (meta.note)
RemarkMass loss 3x10E-10 solar masses/y.  Remarks in free form text (meta.note)
ColumnValue  Explain   (UCD)
8084recno 8084  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7924   [1/9110] Harvard Revised (HR) (meta.id;meta.main)
Count 1  Note counter (sequential for a star) (meta.note)
CategorySB:   [A-Z: ] Remark category abbreviation: (Note)   (meta.note)
RemarkThe following two orbits are reported as equally probable: 846.8d, K 3.12k/s, V0 -2.81k/s; 776.4d, K 2.61k/s,  Remarks in free form text (meta.note)
ColumnValue  Explain   (UCD)
8085recno 8085  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7924   [1/9110] Harvard Revised (HR) (meta.id;meta.main)
Count 2  Note counter (sequential for a star) (meta.note)
CategorySB:   [A-Z: ] Remark category abbreviation: (Note)   (meta.note)
RemarkV0 -3.24k/s.  Remarks in free form text (meta.note)
ColumnValue  Explain   (UCD)
8086recno 8086  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7924   [1/9110] Harvard Revised (HR) (meta.id;meta.main)
Count 1  Note counter (sequential for a star) (meta.note)
CategoryVAR:   [A-Z: ] Remark category abbreviation: (Note)   (meta.note)
RemarkAlpha Cyg 1.21 - 1.29V. Change in H:H epsilon. No emission recorded before 1944.  Remarks in free form text (meta.note)
  
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