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/ApJ/819/154
  SDSS-DR7 QSOs with X-ray and UV luminosities (Lusso+, 2016)
ReadMe+ftp
2016ApJ...819..154L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/819/154/table2Optical and X-ray properties of the main X-ray censored quasar sample (532 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);phys.veloc.orbital;arith.diff;phys.veloc)
  SDSS (char) Quasar Name, SDSS identifier (HHMMSS.ss+DDMMSS.s; J2000) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  RAJ2000 deg Right Ascension in decimal degrees (J2000) ((unassigned);pos.wcs.naxis;arith.grad;(unassigned);arith)
  DEJ2000 deg Declination in decimal degrees (J2000) (instr.skyLevel;(unassigned);stat.min;(unassigned);arith)
  z   [0.2/4.8] Spectroscopic redshifts, SDSS-DR7 quasar catalogue (Note G1)   (meta.fits.software;em.radio.400-750MHz;arith.factor;pos.parallax;arith.diff;meta.main)
  lgLUV [10-7W/Hz] [28.5/32] Monochromatic UV luminosity at 2500Å, in erg/s/Hz (Note G2)   ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))
  lgL2 [10-7W/Hz] [24.5/28.6] Monochromatic luminosity at 2keV, in erg/s/Hz (Note G3)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);(unassigned))
  e_lgL2 [10-7W/Hz] [0.05/0.2] Uncertainty in lgL2 ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  gamma1  (n) [-1.7/2.4] Optical (0.3-1um) SED power-law fit slope ((unassigned);phys.veloc.orbital;arith.diff;phys.abund.Y;meta.main)
  gamma2   [-3.3/1.8] UV (1450-3000Å) SED power-law fit slope ((unassigned);phys.veloc.orbital;arith.diff;phys.abund.Y;meta.main)
  Sloan  Display the online SDSS data for the nearest object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  Simbad  ask the Simbad data-base about this object ((unassigned);obs.atmos.extinction;arith.factor;pos.geocentric)
  NED  ask the NED data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)

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=846471405 Where phase=3 and catid=18190154
**** 
**** --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/VR637760.err (2026-10-28T02:56:44)
-3
-source=J/ApJ/819/154/table2
-ref=VIZ6ae1646d9bb40
elapse time 1