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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/AJ/117/354
  OB associations from Hipparcos (de Zeeuw+, 1999)
ReadMe+ftp
1999AJ....117..354D
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/117/354/tablec1Membership list (1130 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)
  OBAss (char) [A-L] OB association code (Note 1)   (meta.id.parent)
  Type (char) [el] e: early-type, l: late-type (src.spType)
  HIP  HIP (Cat. I/239) number (meta.id)
  Memb % Membership probability (stat)
  Simbad  ask the Simbad data-base about this object
  _RA deg (i) Position (from Hipparcos catalog: I/239/hip_main) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position (from Hipparcos catalog: I/239/hip_main) (declination part) (pos.eq.dec;meta.main)

ALL cols		    
 (i)indexed column
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usage  Display UCD1+    UCD1  
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