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/746/54
  Chandra X-ray observations of SDSS-DR5 QSOs (Gibson+, 2012)
ReadMe+ftp
2012ApJ...746...54G
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/746/54/table1Properties common to each source (264 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) (i) SDSS name (HHMMSS.ss+DDMMSS.s; J2000) linkRole{X-ray parameters for this source } (meta.id;meta.main)
  z   [0.086/4.976] Redshift (src.redshift)
  Nobs   [2/24] Number of observations (meta.number)
  S (char) S indicates that a spectral model is available for this bright source (table 4) (meta.ref.url)
  RL (char) [*/1] Known radio loud source (Note 1)   (src.class)
  BAL   [0/1] Known broad absorption line (1=BAL quasar) (src.class)
  F2500 mJy (n) [0.107/22.112] 2500Å flux density (Note 2)   (phot.flux.density)
  Rate ct/m2/s [-1.975/1481.93] Constant count rate (phot.count;em.X-ray)
  e_Rate ct/m2/s [0.352/404.062] Rate uncertainty (stat.error)
  Var?   [0/1] Variable source? (Note 3)   (meta.code;src.var)
  RateHQ ct/m2/s (n) [-0.004/72.24] Constant count rate in HQ sample (Note G1)   (phot.count;em.X-ray)
  e_RateHQ ct/m2/s (n) [0.035/3.077] RateHQ uncertainty (Note G1)   (stat.error)
  VarHQ?  (n) [0/1] Variable source in HQ sample? (3) (Note G1)   (meta.code;src.var)
  DR5  Display the SDSS-DR5 quasar catalogs data (Cat. VII/252) for this quasar (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref)
  NED  ask the NED data-base about this object (meta.ref)
  _RA deg (i) Positions from SDSS names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS names (declination part) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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