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/641/140
  Optical counterparts in the NDWFS Bootes field (Brand+, 2006)
ReadMe+ftp
2006ApJ...641..140B
Similar Catalogs
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Post annotation 		img(gal)
1.J/ApJ/641/140/table2Table showing the optical characteristic of the matched optical/X-ray catalog for the Chandra sources in the Bootes field of the NDWFS. [filter] (filters BwRIJHK) (5318 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)
  CXOXB (char) Name of X-ray source (Note 1)   (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) X-ray Hour of Right Ascension (J2000) (Note 2)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) X-ray Degree of Declination (J2000) (Note 2)   (pos.eq.dec;meta.main)
  CXOfld  Name of X-ray pointing (meta.id;obs)
  Popt   [0,1] Probability of optical source of being the true optical counterpart (stat.probability)
  Nopt  Number of optical sources with >1% probability of being associated with the X-ray source (meta.number)
  Ropt  Optical rank (1=most probable in running order to least probable) (meta.id)
  Pmatch  Bayesian probability of match (stat.probability)
  St  Status of optical cross-match (Note 3)   (meta.note)
  NDWFS (char) NDWFS optical name (NULL if no opt. ID) (meta.id.cross)

ALL cols		    
 (i)indexed column
  RAo "h:m:s" (n) NDWFS Hour of Right Ascension (J2000) (pos.eq.ra)
  DEo "d:m:s" (n) NDWFS Degree of Declination (J2000) (pos.eq.dec)
  offset arcsec (n) Offset of Optical and X-ray positions (pos;arith.diff)
  BWmag mag (n) The BW band Vega magnitude (phot.mag;em.opt.B)
  Rmag mag (n) The R band Vega magnitude (phot.mag;em.opt.R)
  Imag mag (n) The I band Vega magnitude (phot.mag;em.opt.I)
  Kmag mag (n) The K band Vega magnitude (phot.mag;em.IR.K)
  BWlim mag The BW band 50% completeness limit (phot.mag)
  Rlim mag The R band 50% completeness limit (phot.mag)
  Ilim mag The I band 50% completeness limit (phot.mag)
  Klim mag (n) The K band 50% completeness limit (phot.mag)
  class  (n) Optical Stellarity Parameter (star=1, galaxy=0) (Note 4)   (src.class.starGalaxy)
  optfield (char) Optical field name (obs.field)

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