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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/table2The 3707 OB members for 67 OB associations and 112 OB association candidates (3707 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   [1/179] Cluster identifier in this work (meta.id.parent)
  ObsID   [2403009/733515159] LAMOST DR7 object identifier (meta.id;obs)
  LAMOST (char) LAMOST DR7 object designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  RAJ2000 deg (i) [8.29/353] LAMOST DR7 Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-4.72/61] LAMOST DR7 Declination (J2000) (pos.eq.dec;meta.main)
  RVel km/s [-97/67] Radial velocity from laspec algorithm (spect.dopplerVeloc)
  e_RVel km/s [0.5/18] Uncertainty in RVel (stat.error;spect.dopplerVeloc)
  Gaia  Gaia DR3 identifier (meta.id.cross)
  pmRA mas/yr [-4.2/3.91] Gaia DR3 proper motion along RA (pos.pm;pos.eq.ra)
  pmDE mas/yr [-8.5/1.4] Gaia DR3 proper motion along DE (pos.pm;pos.eq.dec)

ALL cols		    
 (i)indexed column
  e_pmRA mas/yr [0.01/0.06] Uncertainty in pmRA (stat.error;pos.pm;pos.eq.ra)
  e_pmDE mas/yr [0.01/0.04] Uncertainty in pmDE (stat.error;pos.pm;pos.eq.dec)
  GLON deg [62.12/218.06] Galactic longitude (pos.galactic.lon)
  GLAT deg [-21.59/11.01] Galactic latitude (pos.galactic.lat)
  Vlos km/s [-125/235] Line-of-sight velocity in the Galactic standard of rest (phys.veloc;stat.mean)
  Vl km/s [-225/75] Velocity along GLON in the Galactic standard of rest (stat.mean;phys.veloc;pos.galactic.lon)
  Vb km/s [-35/26] Velocity along GLAT in the Galactic standard of rest (stat.mean;phys.veloc;pos.galactic.lat)
  Xpos kpc [-13/-7.6] Galactocentric coordinate in the direction opposite the Sun (pos.galactocentric;pos.cartesian.x)
  Ypos kpc [-1.7/3.1] Galactocentric coordinate in the direction of Galactic rotation (pos.galactocentric;pos.cartesian.y)
  Zpos kpc [-0.4/0.51] Galactocentric coordinate in the direction north of Galactic pole (pos.galactocentric;pos.cartesian.z)
  Rpgeo pc [489.9/5317.1] Median of the photogeometric distance posterior from I/352 (pos.distance;stat.median)
  B_Rpgeo pc [497/5852] The 84th percentile of Rpgeo (pos.distance;stat.median;stat.max)
  b_Rpgeo pc [483/4781] The 16th percentile of Rpgeo (pos.distance;stat.median;stat.min)
  BJ21  Display data from Bailer-Jones+ 2021, I/352 (meta.ref.url)
  SpT (char) Spectral type (Note 1)   (src.spType)
  L24  Display data from Liu+ 2024, J/ApJS/275/24 (meta.ref.url)
  Ver (char) LAMOST release the star can be found in; DR3, DR5 or DR7 (time.release;meta.table)

ALL cols		    
 (i)indexed column
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The following problems were encountered in this VizieR run:
****Error execute query: Update METAhit set etime=840288482,  Ncalls = Ncalls+1 where catid=22800028 and hstid=-1 and btime=838906200
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERREUR:  n'a pas pu sérialiser un accès à cause d'une mise à jour en parallÃ
****¨le 
****ERREUR:  n'a pas pu sérialiser un accès à cause d'une mise à jour en parallÃ
****¨le 
****Error execute query: Insert into METAhit (catid, hstid, btime, etime, Ncalls, N2list) VALUES (22800028,-1,838906200,840288482, 1,0)
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERREUR:  la valeur d'une clé dupliquée rompt la contrainte unique « metahit_p
****key » DETAIL:  La clé « (catid, hstid, btime)=(22800028, -1, 838906200) » ex
****iste déjà. 
****ERREUR:  la valeur d'une clé dupliquée rompt la contrainte unique « metahit_p
****key » DETAIL:  La clé « (catid, hstid, btime)=(22800028, -1, 838906200) » ex
****iste déjà.
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR1917679.err (2026-08-17T13:28:02)
-3
-source=J/ApJS/280/28/table2
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