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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

  ASCA AGN optical identifications (Akiyama+, 2003)
Post annotation
1.J/ApJS/148/275/table1Candidates of optical counterparts and results of identifications (132 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)
  1AXG (char) (i) 1AXG designation (JHHMMSS+DDMM) (;meta.main)
  ID (char) Identification number (
  Det  Detection significance in the GIS 2-10keV band (
  RAJ2000 "h:m:s" (i) X-ray Right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) X-ray Declination (J2000.0) (pos.eq.dec;meta.main)
  errPos arcmin Uncertainty of the X-ray source position (stat.error)
  Nopt (char) Identification number of the optical object (
  RAo "h:m:s" Optical Right ascension (J2000.0) (pos.eq.ra)
  DEo "d:m:s" Optical Declination (J2000.0) (pos.eq.dec)
  Offset arcmin Distance between X-ray and optical sources (pos.angDistance)
  Rmag mag (n) R magnitude from APM catalog, unless otherwise noted (phot.mag;em.opt.R)
  n_Rmag (char) [lm] Note on Rmag (Note 3)   (meta.note)
  Select (char) Selection mode of candidates of optical counterparts (Note 4)   (meta.ref)
  Class (char) Classification of the optical object (src.class)
  z  (n) Redshift of the optical objects (src.redshift)
  u_z (char) [?] Uncertainty flag on z (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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