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Looking for catalogs ..
Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  Complete sample of OB stars within 350pc (Gontcharov, 2012)
Post annotation
1.J/PAZh/38/776/ob2012OB stars from Tycho-2 catalogue (20514 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  TYC1  TYC1 from TYC (Note 1)   (;meta.main)
  TYC2  TYC2 from TYC (Note 1)   (;meta.main)
  VTMAG mag [-4.99,1.32] Absolute magnitude VT (Note 2)   (phys.magAbs)
  Dist pc [17,7486] Photometric distance (Note 3)   (pos.distance;pos.heliocentric)
  X pc X rectangular galactic coordinate (Note 4)   (pos.cartesian.x;pos.galactic)
  Y pc Y rectangular galactic coordinate (Note 4)   (pos.cartesian.y;pos.galactic)
  Z pc Z rectangular galactic coordinate (Note 4)   (pos.cartesian.z;pos.galactic)
  AVe mag [0.02,1.53] Extinction in the equatorial layer (Note 5)   (phys.absorption)
  AVg mag [0.00,1.37] Extinction in the Gould belt (Note 5)   (phys.absorption)
  AV mag [0.03,1.74] Total interstellar extinction (Note 5)   (phys.absorption)
  (BT-VT)0 mag [-0.42,0.00] Dereddened (BT-VT) (Note 6)   (phot.color;em.opt.B;em.opt.V)
  E(BT-VT) mag [0.01,0.59] Color Excess E(BT-VT) (Note 7)   (phot.color.excess)
  Age Myr [82,420] Approximate age (Note 8)   (time.age)
  HIP  (n) HIP (Cat. I/239) number (
  RAJ2000 deg (i) Right ascension in decimal degrees (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000.0) (pos.eq.dec;meta.main)
  TYC  Display the Tycho-2 (Hog et al., 2000, Cat. I/259) data (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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