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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

  Chandra survey of 13-h XMM/ROSAT survey (McHardy+, 2003)
Post annotation
1.J/MNRAS/342/802/table5Catalogue of ROSAT sources detected by Chandra (77 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)
  ROS  ROSAT sequential number
  RAR "h:m:s" ROSAT right ascension (J2000)
  DER "d:m:s" ROSAT declination (J2000)
  [MGN2003]  Sequential number of Chandra source
  RAJ2000 "h:m:s" (i) Chandra right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Chandra declination (J2000) (pos.eq.dec;meta.main)
  D(R-C) arcsec Total ROSAT-Chandra offset
  D(O-C) arcsec (n) Total Optical-Chandra offset
  OffC arcmin Chandra off-axis angle of the source
  OffX arcmin XMM/ROSAT off-axis angle of the source
  Class (char) Classification (Note 1)   
  z  (n) Redshift
  Rflag (char) Confidence parameter from McHardy et al, 1998MNRAS.295..641M
  Conf (char) [YN?] Confirmed source (Note 2)   

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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