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

  
IX/8
  Second Catalogue of X-ray Sources (Amnuel+ 1982)
ReadMe+ftp
1982Ap&SS..82....3A
Similar Catalogs
Post annotation 		img(gal)
1.IX/8/catalogThe Second Catalogue of X-ray Sources (1613 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)
  2XRS (char) Name (based on B1950 position) (meta.id;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 (meta.id)
  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)   (meta.id;instr.obsty)
  Elow keV (n) Lower energy range (em.energy)
  Eup keV (n) Upper energy range (em.energy)
  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)

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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