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V/50/catalog Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)
The main part of the Catalogue (9110 rows)
  HR==7570
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ColumnValue  Explain   (UCD)
_RAJ200019 52 28.400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+01 00 20.00 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
7570recno 7570  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7570  (i) [1/9110] Harvard Revised Number = Bright Star Number (meta.id;meta.main)
Name 55Eta Aql  Name, generally Bayer and/or Flamsteed name (meta.id)
DMBD+00 4337  Durchmusterung Identification (zone in bytes 17-19) (meta.id)
HD187929   [1/225300] Henry Draper Catalog Number (meta.id)
SAO125159   [1/258997] SAO Catalog Number (meta.id)
FK5 746   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)
ADS   Aitken's Double Star Catalog (ADS) designation (meta.id)
ADScomp   ADS number components (meta.id)
VarIDEta Aql  Variable star identification (meta.id)
RAJ200019 52 28.4 "h:m:s" (i) Hours RA, equinox J2000, epoch 2000.0 (Note 1)   (pos.eq.ra;meta.main)
DEJ2000+01 00 20 "d:m:s" (i) Sign Dec, equinox J2000, epoch 2000.0 (Note 1)   (pos.eq.dec;meta.main)
GLON 40.93 deg Galactic longitude (Note 1)   (pos.galactic.lon)
GLAT-13.07 deg Galactic latitude (Note 1)   (pos.galactic.lat)
Vmag 3.90 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 0.89 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 0.51 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 0.47 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 F6Ib  Spectral type (src.spType)
n_SpTypev   [evt] Spectral type code (meta.note)
pmRA 0.011 arcsec/yr Annual proper motion in RA J2000, FK5 system (pos.pm;pos.eq.ra)
pmDE-0.007 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 0.010 arcsec Trigonometric parallax (unless n_Parallax) (pos.parallax.trig)
RadVel -15 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)
RotVel 0 km/s Rotational velocity, v sin i (phys.veloc.rotat)
u_RotVel    [ :v] uncertainty and variability flag on RotVel (meta.code.error)
Dmag  mag Magnitude difference of double, or brightest multiple (phot.mag;arith.diff)
Sep  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==7570
Post annotation about this record
ColumnValue  Explain   (UCD)
7739recno 7739  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7570   [1/9110] Harvard Revised (HR) (meta.id;meta.main)
Count 1  Note counter (sequential for a star) (meta.note)
CategoryS:   [A-Z: ] Remark category abbreviation: (Note)   (meta.note)
RemarkAlso classified F6Ib-G4Ib. UV suggests A0V companion.  Remarks in free form text (meta.note)
ColumnValue  Explain   (UCD)
7740recno 7740  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7570   [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)
RemarkDiscovered by Pigott in 1784. CDelta 3.50 - 4.30V, 7.176641d. Period changes. Variable He 10830 in emission and  Remarks in free form text (meta.note)
ColumnValue  Explain   (UCD)
7741recno 7741  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HR7570   [1/9110] Harvard Revised (HR) (meta.id;meta.main)
Count 2  Note counter (sequential for a star) (meta.note)
CategoryVAR:   [A-Z: ] Remark category abbreviation: (Note)   (meta.note)
Remarkabsorption.  Remarks in free form text (meta.note)
  
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