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/ApJS/181/444
  X-emitting stars identified from the RASS/SDSS (Agueros+, 2009)
ReadMe+ftp
2009ApJS..181..444A
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/181/444/table3RASS sources with multiple candidate counterparts (52 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)
  1RXS (char) Name (HHMMSS.s+DDMMSS) (meta.id;meta.main)
  Cts s-1 (n) ROSAT counts rate (phot.count;em.X-ray)
  e_Cts s-1 (n) Error on Counts (stat.error)
  SDSS (char) Name (HHMMSS.ss+DDMMSS.s) (meta.id.cross)
  Offset arcsec Offset between X-ray source and SDSS counterpart (pos;arith.diff)
  gmag mag SDSS g-band magnitude (phot.mag;em.opt.B)
  e_gmag mag Error on gmag (stat.error;phot.mag;em.opt.B)
  Jmag mag (n) 2MASS J-band magnitude (phot.mag;em.IR.J)
  e_Jmag mag (n) Error on Jmag (stat.error;phot.mag;em.IR.J)
  FX/FJ [-] Log ratio of RASS X-ray to 2MASS J band fluxes (phot.flux;arith.ratio)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  f_FX/FJ (char) [b] FX/FV ratio (Note 1)   (meta.code)
  SpA (char) Spectral Type (from Apache Point Obs.) (src.spType)
  XID (char) Simbad counterpart (meta.id.assoc)
  Vmag mag (n) Simbad V-band magnitude (phot.mag;em.opt.V)
  FX/FV [-] (n) Corresponding Simbad log(FX/FV) (phot.flux;arith.ratio)
  SpT (char) Simbad spectral type (src.spType)
  ObT (char) Simbad object type (src.class)
  f_XID (char) [a] Problem with position in Simbad (Note 2)   (meta.code)
  Sloan  Display the SDSS data for this source (meta.ref.url)
  _RA deg (i) Position, from 1XRS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position, from 1XRS name (declination part) (pos.eq.dec;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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