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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/ApJ/696/580
  Properties of weak emission-line QSOs (WLQ) (Shemmer+, 2009)
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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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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)AB1450 mag Monochromatic AB magnitude at a rest-frame wavelength of 1450Å (phot.mag;em.UV.100-200nm)
   (ALL)aox  Optical-to-X-ray power-law slope (Note 4)   (spect.index)
   (ALL)aro  Radio-to-optical power-law slope (Note 7)   (spect.index)
  (1)BMAG mag Absolute B-band magnitude (phot.mag;em.opt.B)
  (1)CRate ct/ks Observed count rate in the 0.5-2keV band (phot.count;em.X-ray)
  (1)Daox  Difference between measured and predicted αox (Note 5)   (stat.fit.residual)
  (1)_DE deg (i) Positions from SDSS name (declination part) (pos.eq.dec;meta.main)
  (1)e_CRate ct/ks (n) Negative error on CRate (stat.error)
  (1)E_CRate ct/ks (n) Positive error on CRate (stat.error;stat.max)
  (1)e_Fx aW/m2 (n) Negative error on Fx (stat.error)
  (1)E_Fx aW/m2 (n) Positive error on Fx (stat.error;stat.max)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)ExpT ks Chandra exposure time (corrected for detector dead time) (time.duration;obs.exposure)
  (1)F2500 10uJy Flux density at rest-frame 2500Å in units of 10–28erg/cm2/s/Hz (10–5Jy) (phot.flux;em.UV)
  (1)F2keV nJy Flux density at rest-frame 2keV in units of 10–32erg/cm2/s/Hz (10–9Jy) (phot.flux;em.X-ray)
  (1)f_AB1450 (char) [j] Spectrum from Keck (Note G1)   (meta.code)
  (1)f_aro (char) [l] Radio flux density from NVSS (Note G1)   (meta.code)
  (1)f_CRate (char) [k] corrected for exposure map (Note G1)   (meta.code)
  (1)f_ObsDate (char) [d] Merged image (Note G1)   (meta.code)
  (1)f_SDSS (char) [hi] Note about the X-ray data (Note G1)   (meta.code)
  (1)Fx aW/m2 Galactic absorption-corrected flux in the 0.5-2keV band (in 10–15erg/cm2/s) (phot.flux;em.X-ray.soft;pos.galactic)
  (1)L2500 [10-7W] Log monochromatic luminosity at a rest-frame wavelength of 2500Å (phys.luminosity)
  (1)L2keV [10-7W] Log monochromatic luminosity at rest-frame 2keV (log(νLν)) (phys.luminosity)
  (1)l_aox (char) Limit flag on aox (meta.code.error)
  (1)l_aro (char) Limit flag on aro (meta.code.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)l_CRate (char) Limit flag on CRate (meta.code.error)
  (1)l_Daox (char) Limit flag on Daox (meta.code.error)
  (1)l_F2keV (char) Limit flag on F2keV (meta.code.error)
  (1)l_Fx (char) Limit flag on Fx (meta.code.error)
  (1)l_L2keV (char) Limit flag on log2keV (meta.code.error)
  (1)l_logL (char) Limit flag on logL (meta.code.error)
  (1)logL [10-7W] Log luminosity in the rest-frame 2-10keV band (phys.luminosity)
  (1)l_Sigox (char) Limit flag on Sigox (meta.code.error)
  (1)NH 10+20cm-2Neutral galactic absorption column density from Dickey & Lockman (1990ARA&A..28..215D) (phys)
  (1)ObsDate "Y:M:D" (n)Date of observation (time.epoch)
  (1)ObsID  (n) Chandra observation identification number (meta.id)
  (1)qso7 (char) SDSS-DR7 quasar catalog data (Schneider et al. 2010, Cat. VII/260) (meta.ref.url)
  (1)_RA deg (i) Positions from SDSS name (right ascension part) (pos.eq.ra;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)Ref  (n) Reference number in which the source were first identified as WLQ (Weak emission-Line quasar) or BL Lac candidate (Note 5)   (meta.bib)
  (1)rOX arcsec (n) Angular distance between the optical and X-ray position (Note 2)   (pos.angDistance)
  (1)SDSS (char) SDSS identification (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  (1)Sigox  Significance of the difference between measured and predicted αox (Note 6)   (stat.fit.residual)
   (ALL)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
   (ALL)Sloan (char) Display the SDSS data for this object (meta.ref.url)
   (ALL)z  Redshift (src.redshift)
  (2)DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  (2)f_aox   [0/1] 0 = upper limit on aox (Note 1)   (meta.code)
  (2)f_aro   [0/1] 0 = upper limit on aro (Note 1)   (meta.code)
  (2)f_log2keV   [0/1] 0 = upper limit in log2keV (Note 1)   (meta.code)
  (2)f_log5500   [0/1] 0 = upper limit on log5500 (Note 1)   (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)f_log5GHz   [0/1] 0 = upper limit on log5GHz (Note 1)   (meta.code)
  (2)log2keV [10-7W] Log monochromatic luminosity at 2keV in erg/s (phys.luminosity;em.X-ray.soft)
  (2)log5500 [10-7W] Log monochromatic luminosity at 5500Å (phys.luminosity)
  (2)log5GHz [10-7W] Log monochromatic luminosity at 5GHz in erg/s (phys.luminosity;em.radio.3-6GHz)
  (2)Name (char) Source name (meta.id;meta.main)
  (2)P08 (char) BL Lac objects from SDSS and FIRST data (Plotkin et al. 2008, Cat. J/135/AJ/2453) (meta.ref.url)
  (2)RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)

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