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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/819/154
  SDSS-DR7 QSOs with X-ray and UV luminosities (Lusso+, 2016)
Post annotation
img(gal)
1.J/ApJ/819/154/table1(c)Optical and X-ray properties of the main X-ray detected quasar sample (2153 rows)
2.J/ApJ/819/154/table2(c)Optical and X-ray properties of the main X-ray censored quasar sample (532 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
   (ALL)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)e_lgL2 [10-7W/Hz] [0.01/0.7] Uncertainty in lgL2 (stat.error)
   (ALL)gamma1  (n) [-2/2.7] Optical (0.3-1um) SED power-law fit slope (spect.index)
   (ALL)gamma2  (n) [-7/2.5] UV (1450-3000Å) SED power-law fit slope (spect.index)
  (1)gammaX   [-1.8/4.5] X-ray index from the slope of the (XMM 1-5keV) luminosities (Note 2)   (spect.index)
   (ALL)lgL2 [10-7W/Hz] [23.5/28.1] Monochromatic luminosity at 2keV, in erg/s/Hz units (Note G3)   (phys.luminosity;em.X-ray.soft)
   (ALL)lgLUV [10-7W/Hz] [27.7/32.5] Monochromatic UV luminosity at 2500Å, in erg/s/Hz units (Note G2)   (phys.luminosity;em.UV)
   (ALL)NED (char) ask the NED data-base about this object (meta.ref.url)
   (ALL)RAJ2000 deg (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)SDSS (char) Quasar Name, SDSS identifier (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
   (ALL)Sloan (char) Display the online SDSS data for the nearest object (meta.ref.url)
  (1)S/N   [2/399] X-ray signal-to-noise (Note 3)   (stat.snr)
  (1)Source  Unique X-ray detection ID in the 3XMM-DR5 catalog (Note 1)   (meta.id.cross)
   (ALL)z   [0.06/5] Spectroscopic redshifts, SDSS-DR7 quasar catalogue (Note G1)   (src.redshift;pos.heliocentric)

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