VizieR

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VizieR

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V/17A/catalog A list of Supergiant Stars (Egret 1980)
The list of Supergiants (5073 rows)
  recno=2883
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ColumnValue  Explain   (UCD)
_RAJ200013 30 46.936 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+24 13 56.53 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195013 28 24.701 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+24 29 23.00 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon017.020180 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+80.677906 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
2883recno 2883  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CSI+24 2592 0  designation (Note 1)   (meta.id;phys.atmol.configuration)
HD117555   [1/359083] Henry Draper Catalogue Designation (meta.id)
m_HD    [/AB] Multiplicity index on HD number; a '/' indicates a group of 2 HD numbers (meta.code.multip)
RA195013 28 24.7 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
u_RA1950    [:] for poor position (accuracy 1arcmin) (meta.code.error;pos.eq.ra)
DE1950+24 29 23 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
GLON 17.02 deg Galactic longitude (pos.galactic.lon)
GLAT 80.68 deg Galactic latitude (pos.galactic.lat)
n_Vmag    [DV] Variability or Duplicity indicator (meta.note)
Vmag 8.19 mag Visual magnitude (phot.mag;em.opt.V)
u_Vmag   Uncertainty flag (:) on Vmag (meta.code.error)
q_Vmag3   [1-4*:] Quality indicator on Vmag (Note 2)   (meta.code.qual)
B-V 0.880 mag Colour (phot.color;em.opt.B;em.opt.V)
q_B-V3   [1-4*:] Quality indicator on B-V (Note 2)   (meta.code.qual;phot.color;em.opt.B)
U-B 0.460 mag Colour (phot.color;em.opt.U;em.opt.B)
q_U-B3   [1-4*:] Quality indicator on U-B (Note 2)   (meta.code.qual;phot.color;em.opt.U)
Gflag    [G] 'G' when Geneva photometry exists (meta.code)
Uflag    [U] 'U' when uvby photometry exists (meta.code)
RVel -16.6 km/s Radial Velocity from Wilson (1953) or Evans (1967) (spect.dopplerVeloc)
q_RVel    [A-F] Quality on Radial Velocity (A=good, E=very poor) (meta.code.qual;spect.dopplerVeloc)
n_Sp P  Dispersive system used, or quality from Houk's catalogue (when Sep='X') (Note 3)   (meta.note)
Sep/   [/X] Separator ('X' when Sp is from Houk) (meta.code)
SpG5 II  Spectral classification (Note 3)   (src.spType)

_RA.icrs13 30 46.9 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+24 13 57 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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