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/ApJS/280/28
  OB associations from LAMOST DR7 & Gaia DR3 (Liu+, 2025)
ReadMe+ftp
2025ApJS..280...28L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/280/28/table1The parameters of 67 OB associations and 112 OB association candidates (179 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)
  Seq  (i) [1/179] Cluster identifier in this work (meta.id;meta.main)
  GLON deg [64.72/212.22] Galactic longitude (pos.galactic.lon)
  GLAT deg [-13.37/7.27] Galactic latitude (pos.galactic.lat)
  pmRA mas/yr [-3.89/3.74] Average proper motion along RA (pos.pm;pos.eq.ra)
  pmDE mas/yr [-8.41/0.63] Average proper motion along DE (pos.pm;pos.eq.dec)
  Vlos km/s [-103.5/227.45] Average line-of-sight velocity (phys.veloc;stat.mean)
  e_Vlos km/s [1.6/23.41] Uncertainty in Vlos (stat.error;phys.veloc;stat.mean)
  Vl km/s [-224.19/61.45] Average velocity along GLON (stat.mean;phys.veloc;pos.galactic.lon)
  e_Vl km/s [0.31/11.97] Uncertainty in Vl (stat.error;phys.veloc;pos.galactic.lon)
  Vb km/s [-14.34/20.03] Average velocity along GLAT (stat.mean;phys.veloc;pos.galactic.lat)
  e_Vb km/s [0.28/11.48] Uncertainty in Vb (stat.error;phys.veloc;pos.galactic.lat)
  Dsun pc [562/4657] Average heliocentric distance (pos.distance)
  e_Dsun pc [10/420] Uncertainty in dsun (stat.error;pos.distance)
  GNum   [5/545] Total number of OB stars in the group (meta.number)
  ONum   [0/9] Number of O-type stars in group (meta.number)
  Size pc [0/307] Diameter of OB association (phys.size.diameter)
  _RA.icrs deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

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