VizieR

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

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/AJ/137/3884
  Quasar candidates selected from the SDSS (Richards+, 2009)
ReadMe+ftp
2009AJ....137.3884R
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/137/3884/table7XMM-Newton objects in the XFLS area (23 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)
  XName (char) Name (XHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  Exp ks XMM-Newton exposure time (time.duration;obs.exposure)
  Ftot mW/m2 (n) Total flux (phot.flux;em.X-ray)
  Scts ct (n) Soft-band counts (background corrected) (phot.count;em.X-ray)
  Hcts ct (n) Hard-band counts (background corrected) (phot.count;em.X-ray)
  HR  (n) Hardness ratio (phot.flux;arith.ratio)
  e_HR  (n) Error in HR (stat.error)
  Seq  (n) Quasar catalog number (meta.id.cross)
  P-ID (char) Previous catalog identification with morphological type (Note G1)   (meta.code;src.morph)
  P-z  (n) Previous catalog object redshift (src.redshift)

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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