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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  Second Catalogue of X-ray Sources (Amnuel+ 1982)
Post annotation
1.IX/8/catalogThe Second Catalogue of X-ray Sources (1613 rows)

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)
  2XRS (char) Name (based on B1950 position) (;meta.main)
  RAB1950 "h:m:s" (i) Right Ascension B1950 (pos.eq.ra;meta.main)
  DEB1950 "d:m:s" (i) Declination B1950 (pos.eq.dec;meta.main)
  n_Pos (char) [O?RGS] note on position (Note 1)   (meta.note)
  Xname (char) Alternative name from X-ray catalog (
  Box deg2 (n) Error box area (stat.error)
  ObsDate (char) Date of measurement (time.epoch)
  Mission (char) Designation of the type or Mission (Note 2)   (;instr.obsty)
  Elow keV (n) Lower energy range (
  Eup keV (n) Upper energy range (
  Int uJy (n) Maximum intensity (phot.flux;em.X-ray)
  Notes (char) Ratio of maximum to minimum intensity for variable sources, and additional notes (meta.note)
  _RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

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