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/696/580
  Properties of weak emission-line QSOs (WLQ) (Shemmer+, 2009)
ReadMe+ftp
2009ApJ...696..580S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/696/580/wlqs(c)X-ray, optical and radio properties of Weak emission-Line Quasars (WLQs) (tables 1 and 3 of the paper) (11 rows)
2.J/ApJ/696/580/table5(c)X-ray, optical, and radio properties of the BL Lac sample (279 rows)
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Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);meta.version;arith.diff;phys.veloc)
  (1)SDSS (char) SDSS identification (HHMMSS.ss+DDMMSS.s) ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  (1)f_SDSS (char) [hi] Note about the X-ray data (Note G1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
   (ALL)z  Redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (1)rOX arcsec (n) Angular distance between the optical and X-ray position (Note 2)   ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)
  (1)f_ObsDate (char) [d] Merged image (Note G1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)ObsDate "Y:M:D" (n)Date of observation ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  (1)ObsID  (n) Chandra observation identification number ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (1)ExpT ks Chandra exposure time (corrected for detector dead time) ((unassigned);meta.version;arith.diff;(unassigned);(unassigned);meta.main)
   (ALL)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)
   (ALL)SimbadName (char) Designation understandable by the Simbad data-base ((unassigned);(unassigned);(unassigned);spect.line.veloc)

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