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  XMM-Newton/2dF survey. II. (Georgakakis+, 2004)
Post annotation
1.J/MNRAS/349/135/table1Low X-ray-to-optical flux ratio sources in the XMM-Newton/2dF survey (26 rows)

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.
  Seq  Sequential number
  Name (char) Name
  RAJ2000 "h:m:s" X-ray source right ascension (J2000.0)
  DEJ2000 "d:m:s" X-ray source declination (J2000.0)
  Off arcsec Offset between the X-ray source centroid estimated by the EWAVELET task of SAS and the optical source centre
  Bmag mag B magnitude
  morph   [3/6] Optical morphology of the source (Note 1)   
  z  (n) Redshift
  r_z (char) Origin of the redshift (Note 2)   
  Class (char) Spectral classification of the optical counterpart
  Comm (char) Comments on the spectrum (Note 3)   

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(n) indicates a possible blank or NULL column(i)indexed column
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