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

  
J/A+A/323/739
  ROSAT detected quasars. II. (Brinkmann+ 1997)
ReadMe+ftp
1997A&A...323..739B
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/323/739/table240"<DELTA(VLA-RASS)<100" unidentified RGB sources (303 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.
  ROSAT (char) ROSAT name
  RAJ2000 "h:m:s" VLA right ascension (J2000.0)
  DEJ2000 "d:m:s" VLA declination(J2000.0)
  DXrad arcsec Angular separation of the VLA radio source and the X-ray source
  fr Jy 5GHz VLA flux density from L97 (Note 1)   
  FX 10-15W/m20.1 - 2.4 keV X-ray flux
  e_FX 10-15W/m2rms uncertainty on FX
  Gamma  (n) X-ray photom index
  e_Gamma  (n) Error in Gamma (lower limit)
  E_Gamma  (n) Error in Gamma (upper limit)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Emag mag (n) E magnitude of the closest optical counterpart from digitized POSS plates (blank: no plate is available)
  n_Emag (char) [e] e: empty fields
  clE  (n) [-1/2] Optical classification (Note 2)   
  Omag mag (n) O magnitude of the closest optical counterpart from digitized POSS plates (blank: no plate is available)
  n_Omag (char) [e] e: empty fields
  clO  (n) [-1/2] Optical classification
  DVLAOpt arcsec (n) Positional difference between the VLA source and the optical object
  E (char) [*] *: the radio source has been re-observed with the Effelsberg telescope (Reich et al., in prep.)
  Notes (char) [ibgq] Notes (Note 3)   
  r_Notes (char) References (Note 4)   

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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