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/ApJ/454/151
  OB Associations of the Northern Milky Way (Massey+ 1995)
ReadMe+ftp
1995ApJ...454..151M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/454/151/ngc6871Catalog data for NGC 6871/Cyg OB3 (1960 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  RA2000 "h:m:s" Right ascension, 2000 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  DE2000 "d:m:s" (n)Declination sign ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  Vmag mag V magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  u_Vmag (char) V uncertainty flag ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  B-V mag B-V color (Note 1)   ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  u_B-V (char) B-V uncertainty flag ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  U-B mag U-B color (Note 1)   (stat.weight;instr.beam;stat.min;pos.healpix;(unassigned);(unassigned);(unassigned))
  u_U-B (char) U-B uncertainty flag (time.equinox;instr.beam;stat.min;pos.galactic.lon)
  SpNew (char) Newly determined spectral type, if any ((unassigned);(unassigned);(unassigned);pos.posAng;meta.main)
  ID (char) Other identification, if any ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  SpLit (char) Spectral type from the literature, if any ((unassigned);phys.veloc.orbital;arith.diff;pos.posAng;meta.main)

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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