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/A+A/704/A344
  eRASS1 counterparts and classification (Salvato+, 2025)
ReadMe+ftp
2025A&A...704A.344S
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/704/A344/4xmmge3Gaia EDR3 counterparts to 4XMM and field population used for training (440544 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)
  XMM  X-ray source identifier (MM_SRCID) (meta.id;meta.main)
  RAJ2000 deg (i) X-ray source right ascension (J2000) at Ep=Epoch (XMM_RA) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) X-ray source declination (J2000) at Ep=Epoch (XMM_DEC) (pos.eq.dec;meta.main)
  ePos arcsec (n) Uncertainty on X-ray source coordinate, including systematic error (XMM_POSERR) (stat.error;pos.frame)
  Epoch yr (i) XMM epoch (XMM_epoch) (time.epoch)
  FX 10-18W/m2(n) X-ray source flux estimate, 0.5-2keV band (XMM_fx) (phot.flux;em.X-ray)
  e_FX 10-18W/m2(n) Uncertainty on X-ray source flux estimate, 0.5-2keV band (XMM_efx) (stat.error)
  GaiaEDR3  Gaia source identifier (GEDR3sourceid) (meta.id)
  RAGdeg deg Original Gaia EDR3 source coordinate (ICRS) at Ep=2015.5 (GEDR3raorig) (pos.eq.ra)
  DEGdeg deg Original Gaia EDR3 source coordinate (ICRS) at Ep=2015.5 (GEDR3decorig) (pos.eq.dec)
  RApdeg deg Gaia EDR3 coordinate propagated to epoch of X-ray detection (GEDR3raprop) (pos.eq.ra)
  DEpdeg deg Gaia EDR3 coordinate propagated to epoch of X-ray detection (GEDR3decprop) (pos.eq.dec)
  SepX-OIR arcsec (n) Separation between X-ray and Gaia EDR3 coordinates (SeparationXOIR) (pos.angDistance;src.orbital)
  pany  (n) NWAY p_any parameter for X-ray-GaiaEDR3 association (p_any) (stat.fit.goodness)
  pi  (n) NWAY p_i parameter for X-ray-GaiaEDR3 association (p_i) (stat.fit.goodness)
  FlagSubSamp   [0/2] 0=Field source, 1=Ok association, 2=Good association (SUBSAMPLE_FLAG) (meta.code.error)

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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