VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

Catalog

Looking for catalogs ..
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/127/2579
  Optical ident. of BATC Sky Survey X-ray sources (Zhang+, 2004)
ReadMe+ftp
2004AJ....127.2579Z
Similar Catalogs
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 assigned by the VizieR team. Should Not be used for identification. (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" (i) Associated optical object Right ascension, J2000 (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Associated optical object Declination, J2000 (pos.eq.dec;meta.main)
  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

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 0