VizieR

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

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/645/A95
  NEP raster ROSAT X-ray/Optical catalog (Hasinger+, 2021)
ReadMe+ftp
2021A&A...645A..95H
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/645/A95/table1ROSAT NEP raster X-ray catalogue (805 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)
  XID   [1/805] Internal X-ray identification number (meta.id;meta.main)
  RAX deg (i) X-ray right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEX deg (i) X-ray declination (J2000.0) (pos.eq.dec;meta.main)
  ePosX arcsec X-ray position error (stat.error;pos)
  ML  Existence maximum likelihood (threshold 11) (stat.likelihood)
  CTS ct Net X-ray source counts (phot.count;em.X-ray)
  e_CTS ct Error on net source counts (stat.error)
  XML  Extent maximum likelihood (stat.likelihood;phys.angSize)
  ExpTime s Exposure time (time.duration;obs.exposure)
  FX 10-17W/m20.5-2 keV X-ray flux (Note 1)   (phot.flux;em.X-ray)
  FlagM   [0/1] Manual parameter determination flag (meta.code.error)

ALL cols		    
 (i)indexed column
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usage  Display UCD1+    UCD1  
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