VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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J/ApJ/685/773
  X-ray-UV relations in SDSS DR5 QSOs (Gibson+, 2008)
ReadMe+ftp
2008ApJ...685..773G
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/685/773/xqsosSource information and UV emission line measurements of QSOs at redshifts 1.7≤z≤2.7 (536 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. (meta.record)
  SDSS (char) SDSS source name JHHMMSS.ss+DDMMSS.s (meta.id;meta.main)
  z  Spectroscopic redshift (src.redshift)
  ObsId  Chandra or XMM observation identification number (Note 1)   (meta.id;obs)
  Expo ks X-ray exposure time (Note 2)   (time.duration;obs.exposure;em.X-ray)
  Scts ct Observed-frame soft (0.5-2keV) counts in source region (phot.count;em.X-ray)
  Hcts ct Observed-frame hard (2-8keV) counts in source region (phot.count;em.X-ray)
  X   [0/1] X-ray detected? (1=yes) (meta.code)
  B   [0/1] Source in sample B? (1=yes) (meta.code)
  l_logR* (char) Limit flag on logR* (meta.code.error)
  logR* [-] Radio-loudness parameter (Note 5)   (phot.flux;arith.ratio)

ALL cols		    
 (i)indexed column
  CIV.0 km/s Rest-frame balnicity index for CIV absorption (Note 6)   (spect.line.eqWidth)
  Mg  Number of narrow Mg II absorption systems (Note 7)   (meta.number)
  L1400 [10-7W/Hz]Log of monochromatic luminosity at 1400Å (Note 8)   (phys.luminosity)
  L2500 [10-7W/Hz]Log of monochromatic luminosity at 2500Å (Note 8)   (phys.luminosity)
  l_L2keV (char) Limit flag on log2keV (meta.code.error)
  L2keV [10-7W/Hz]Log of monochromatic luminosity at 2keV (Note 8)   (phys.luminosity;em.X-ray.soft)
  l_a.OX (char) Limit flag on a.OX (meta.code.error)
  a.OX  X-ray/optical spectral index (Note 9)   (spect.index)
  e_a.OX  (n) Uncertainty in a.OX (Note 10)   (stat.error)
  l_Da.OX (char) Limit flag on Da.OX (meta.code.error)
  Da.OX  Relative X-ray brightness (Note 11)   (phys.luminosity;em.X-ray)
  C4EW 0.1nm Equivalent width of CIV (1549Å) (spect.line.eqWidth)
  C4Wave 0.1nm Central wavelength of CIV (1549Å) (em.wl.central)
  C4FWHM 0.1nm Full-Width at Half-Maximum of CIV (1549Å) (spect.line.width)
  C3EW 0.1nm (n) Equivalent width of CIII] (1909Å) (Note 1)   (spect.line.eqWidth)
  C3Wave 0.1nm (n) Central wavelength of CIII] (1909Å) (Note 1)   (em.wl.central)
  C3FWHM 0.1nm (n) Full-Width at Half-Maximum of CIII] (1909Å) (Note 1)   (spect.line.width)
  Sloan  Display the SDSS data for this quasar (meta.ref.url)
  DR5  Display the SDss-DR5 data (Adelman-McCarthy et al. 2007, Cat. II/276) (meta.ref.url)
  Simbad  ask the Simbad data-base about this object
  _RA deg (i) positions form SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) positions form SDSS name (declination part) (pos.eq.dec;meta.main)

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