VizieR

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VizieR

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J/PAZh/38/776/ob2012 Complete sample of OB stars within 350pc (Gontcharov, 2012)
OB stars from Tycho-2 catalogue (20514 rows)
  recno=987
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ColumnValue  Explain   (UCD)
_RAJ200018 17 36.240 "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)
_DEJ2000-34 06 26.28 "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)
_RAB195018 14 17.298 "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)
_DEB1950-34 07 35.94 "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)
_Glon358.827229 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-08.470360 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)
987recno 987  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC17400  TYC1 from TYC (Note 1)   (meta.id.part;meta.main)
TYC2 1084  TYC2 from TYC (Note 1)   (meta.id.part;meta.main)
VTMAG-3.35 mag [-4.99,1.32] Absolute magnitude VT (Note 2)   (phys.magAbs)
Dist 512 pc [17,7486] Photometric distance (Note 3)   (pos.distance;pos.heliocentric)
X 507 pc X rectangular galactic coordinate (Note 4)   (pos.cartesian.x;pos.galactic)
Y -10 pc Y rectangular galactic coordinate (Note 4)   (pos.cartesian.y;pos.galactic)
Z -75 pc Z rectangular galactic coordinate (Note 4)   (pos.cartesian.z;pos.galactic)
AVe 0.48 mag [0.02,1.53] Extinction in the equatorial layer (Note 5)   (phys.absorption)
AVg 0.26 mag [0.00,1.37] Extinction in the Gould belt (Note 5)   (phys.absorption)
AV 0.74 mag [0.03,1.74] Total interstellar extinction (Note 5)   (phys.absorption)
(BT-VT)0-0.36 mag [-0.42,0.00] Dereddened (BT-VT) (Note 6)   (phot.color;em.opt.B;em.opt.V)
E(BT-VT) 0.25 mag [0.01,0.59] Color Excess E(BT-VT) (Note 7)   (phot.color.excess)
Age104 Myr [82,420] Approximate age (Note 8)   (time.age)
HIP 89637   HIP (Cat. I/239) number (meta.id)
RAJ2000274.4010 deg (i) Right ascension in decimal degrees (J2000.0) (pos.eq.ra;meta.main)
DEJ2000-34.1073 deg (i) Declination in decimal degrees (J2000.0) (pos.eq.dec;meta.main)

TYCTYC  Display the Tycho-2 (Hog et al., 2000, Cat. I/259) data (meta.ref.url)
SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
  
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