VizieR

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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/696/580
  Properties of weak emission-line QSOs (WLQ) (Shemmer+, 2009)
Post annotation
img(gal)
1.J/ApJ/696/580/wlqsX-ray, optical and radio properties of Weak emission-Line Quasars (WLQs) (tables 1 and 3 of the paper) (11 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. ((unassigned);em.line;arith.grad;phys.veloc)
  SDSS (char) SDSS identification (HHMMSS.ss+DDMMSS.s) (time;pos.wcs.ctype;arith.grad;spect.line.veloc;arith)
  f_SDSS (char) [hi] Note about the X-ray data (Note G1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  z  Redshift ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  rOX arcsec (n) Angular distance between the optical and X-ray position (Note 2)   ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)
  f_ObsDate (char) [d] Merged image (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  ObsDate "Y:M:D" (n)Date of observation (pos.galactic.lon;src.veloc.cmb;(unassigned);pos.centroid;meta.main)
  ObsID  (n) Chandra observation identification number (phot.color;phys.luminosity.fun;arith.diff;spect.line.veloc)
  ExpT ks Chandra exposure time (corrected for detector dead time) (stat.weight;(unassigned);arith.factor;(unassigned);(unassigned);meta.main)
  Ref  (n) Reference number in which the source were first identified as WLQ (Weak emission-Line quasar) or BL Lac candidate (Note 5)   ((unassigned);(unassigned);(unassigned);phys.size.diameter)
  SimbadName (char) Designation understandable by the Simbad data-base (src.class.starGalaxy;pos.precess;(unassigned);spect.line.veloc)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  NH 10+20cm-2Neutral galactic absorption column density from Dickey & Lockman (1990ARA&A..28..215D) ((unassigned);(unassigned);(unassigned);obs.calib.dark)
  AB1450 mag Monochromatic AB magnitude at a rest-frame wavelength of 1450Å (spect.line.width;(unassigned);arith;stat.filling;(unassigned);(unassigned))
  f_AB1450 (char) [j] Spectrum from Keck (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  BMAG mag Absolute B-band magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  F2500 10uJy Flux density at rest-frame 2500Å in units of 10–28erg/cm2/s/Hz (10–5Jy) ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;(unassigned);(unassigned))
  L2500 [10-7W] Log monochromatic luminosity at a rest-frame wavelength of 2500Å ((unassigned);(unassigned);(unassigned);(unassigned))
  l_CRate (char) Limit flag on CRate ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  CRate ct/ks Observed count rate in the 0.5-2keV band ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))
  E_CRate ct/ks (n) Positive error on CRate ((unassigned);phys.veloc.orbital;arith.diff;time.age;pos.phaseAng;meta.main)
  e_CRate ct/ks (n) Negative error on CRate ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  f_CRate (char) [k] corrected for exposure map (Note G1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  l_Fx (char) Limit flag on Fx ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  Fx aW/m2 Galactic absorption-corrected flux in the 0.5-2keV band (in 10–15erg/cm2/s) ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;(unassigned);Gradient)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  E_Fx aW/m2 (n) Positive error on Fx ((unassigned);phys.veloc.orbital;arith.diff;time.age;pos.phaseAng;meta.main)
  e_Fx aW/m2 (n) Negative error on Fx ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  l_F2keV (char) Limit flag on F2keV ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  F2keV nJy Flux density at rest-frame 2keV in units of 10–32erg/cm2/s/Hz (10–9Jy) ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;(unassigned);(unassigned))
  l_L2keV (char) Limit flag on log2keV ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  L2keV [10-7W] Log monochromatic luminosity at rest-frame 2keV (log({nu}L{nu})) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  l_logL (char) Limit flag on logL ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  logL [10-7W] Log luminosity in the rest-frame 2-10keV band ((unassigned);(unassigned);(unassigned);(unassigned))
  l_aox (char) Limit flag on aox ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  aox  Optical-to-X-ray power-law slope (Note 4)   ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  l_Daox (char) Limit flag on Daox ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  Daox  Difference between measured and predicted {alpha}ox (Note 5)   ((unassigned);(unassigned);(unassigned);pos.cartesian.z;meta.main)
  l_Sigox (char) Limit flag on Sigox ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  Sigox  Significance of the difference between measured and predicted {alpha}ox (Note 6)   ((unassigned);phys.veloc.orbital;arith.diff;pos.cartesian.z;meta.main)
  l_aro (char) Limit flag on aro ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  aro  Radio-to-optical power-law slope (Note 7)   ((unassigned);phys.veloc.orbital;arith.diff;phys.abund.Y;meta.main)
  f_aro (char) [l] Radio flux density from NVSS (Note G1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  qso7  SDSS-DR7 quasar catalog data (Schneider et al. 2010, Cat. VII/260) ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Sloan  Display the SDSS data for this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  _RA deg Positions from SDSS name (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  _DE deg Positions from SDSS name (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  


The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846455134 Where phase=3 and catid=16960580
**** 
**** --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/VR453715.err (2026-10-27T22:25:31)
-3
-source=J/ApJ/696/580/wlqs
-ref=VIZ6ae124de6ec53
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