VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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

  
J/MNRAS/495/663
  Gaia DR2 OB associations (Ward+, 2020)
ReadMe+ftp
2020MNRAS.495..663W
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/495/663/tablea1Association positions and sizes (109 rows)

Simple ConstraintList Of Constraints
 
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)
  Assoc  Association ID number (Note G1)   (meta.id;meta.main)
  Nstar   [40/177657] Number of stars (meta.number)
  NOB  Number of OB stars (meta.number)
  RAJ2000 deg (i) Mean right ascension of star association (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Mean declination of star association (J2000) (pos.eq.dec;meta.main)
  Dist pc mean line-of-sight distance to stars (pos.distance)
  s_Dist pc standard deviation of distance (stat.stdev;pos.distance)
  stdX pc standard deviation in plane-of-sky position (stat.stdev;pos.distance;pos)
  stdY pc standard deviation in plane-of-sky position (stat.stdev;pos.distance;pos)
  stdPMX km/s standard deviation in plane-of-sky velocity (stat.stdev;phys.veloc)
  stdPMY km/s standard deviation in plane-of-sky velocity (stat.stdev;phys.veloc)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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 (i)indexed column
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usage  Display UCD1+    UCD1  
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