VizieR

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

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/657/116
  X-ray and UV parameters of radio-quiet quasars (Kelly+, 2007)
ReadMe+ftp
2007ApJ...657..116K
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/657/116/table4X-ray and UV Parameters (174 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)
  Name (char) (i) Source name (HHMM+DDMM, J2000) (meta.id;meta.main)
  New (char) [e] e: One of seven new Chandra observations (meta.code)
  z  Redshift (src.redshift)
  NH 10+20cm-2Galactic Hydrogen column density (Note 1)   (phys.columnDensity;pos.galactic)
  l_n0 (char) Limit flag on n0 (meta.code.error)
  n0 10-6cm-2/s/keVNormalization value at 1keV (Note 2)   (stat.fit.param)
  E_n0 10-6cm-2/s/keV(n) Upper 1σ error in n0 (stat.error;stat.max)
  e_n0 10-6cm-2/s/keV(n) Lower 1σ error in n0 (stat.error)
  Gamma  (n) Photon index (Note 3)   (meta.code;spect.index)
  E_Gamma  (n) Upper 1σ error in Gamma (stat.error;stat.max)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_Gamma  (n) Lower 1σ error in Gamma (stat.error)
  logL2500 10-7W Log of the 2500Å luminosity (Note 4)   (phys.luminosity)
  l_logL2keV (char) Limit flag on logL2keV (meta.code.error)
  logL2keV 10-7W Log of the 2keV luminosity (Note 4)   (phys.luminosity;em.X-ray)
  l_a-ox (char) Limit flag on a-ox (meta.code.error)
  a-ox  The X-ray to UV/optical flux ratio (phot.flux;arith.ratio)
  a-UV  (n) The UV spectral slope (Note 5)   (spect.index)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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