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

  
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/table1DELTA(VLA-RASS)<40" unidentified RGB sources (813 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. ((unassigned);meta.version;arith.diff)
  ROSAT (char) ROSAT name (instr.precision;em.radio.6-12GHz;stat.min)
  RAJ2000 "h:m:s" VLA right ascension (J2000.0) (time.period;phys.atmol.qn.I;arith.grad)
  DEJ2000 "d:m:s" VLA declination(J2000.0) (instr.plate.emulsion;pos.centroid;(unassigned))
  DXrad arcsec Angular separation of the VLA radio source and the X-ray source (instr.setup;instr.bandwidth;stat.min)
  fr Jy 5GHz VLA flux density from L97 (Note 1)   
  FX 10-15W/m20.1 - 2.4 keV X-ray flux ((unassigned);meta.version;arith.diff)
  e_FX 10-15W/m2rms uncertainty on FX
  Gamma  (n) X-ray photom index
  e_Gamma  (n) Error in Gamma (lower limit) (phot.mag.reddFree;(unassigned);arith.factor)
  E_Gamma  (n) Error in Gamma (upper limit) ((unassigned);meta.version;arith.diff)

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) (stat.fit.residual;(unassigned);arith.factor)
  n_Emag (char) [e] e: empty fields ((unassigned);meta.version;arith.diff)
  clE  (n) [-1/2] Optical classification (Note 2)   ((unassigned);meta.version;arith.diff)
  Omag mag (n) O magnitude of the closest optical counterpart from digitized POSS plates (blank: no plate is available) ((unassigned);meta.version;arith.diff)
  n_Omag (char) [e] e: empty fields (phot.limbDark;phys.veloc;arith.factor)
  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.) ((unassigned);meta.version;arith.diff)
  Notes (char) [ibgq] Notes (Note 3)   ((unassigned);(unassigned);arith.factor)
  r_Notes (char) References (Note 4)   ((unassigned);instr.det.noise;stat.min)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846597981 Where phase=3 and catid=33230739
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR4175029.err (2026-10-29T14:06:19)
-3
-source=J/A+A/323/739/table1
-ref=VIZ6ae352dc3fb4b5
elapse time 3