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J/AJ/127/2579
 Optical ident. of BATC Sky Survey X-ray sources (Zhang+, 2004)
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Post annotation 		img(gal)
1.J/AJ/127/2579/table2X-ray sources and optical identifications in a 1 square degree field (157 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number within the original table (starting from 1) (meta.record)
  RXJ (char) ROSAT source
  CR 10-2ct/s Brightness in the 0.1-2.4keV passband
  Xerr arcsec Radial position uncertainty of X-ray detection
  OClass (char) Old classification (Note 1)   
  Obj (char) Object label for associated optical object (Note 2)   
  RAJ2000 "h:m:s" Associated optical object Right ascension, J2000
  DEJ2000 "d:m:s" Associated optical object Declination, J2000
  Deltar arcsec (n) Distance of the identified optical source to the center of X-ray detection
  l_Vmag (char) Limit flag on Vmag
  Vmag mag V magnitude measure on our images (Note 3)   
  l_fXO (char) Limit flag on fXO
  fXO  Ratio of X-ray (0.1-2.4keV) to optical (V) fluxes
  z  (n) Predicted redshift for all nonstellar objects
  Class (char) New object classification based on the SED information (Note 4)   
  BATC  Display the BATC data (15 intermediate filters) for the source

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