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/AJ/144/49
  Quasars from SDSS-DR7, WISE and UKIDSS surveys (Wu+, 2012)
ReadMe+ftp
2012AJ....144...49W
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/144/49/table1A catalog of 37842 SDSS-WISE quasars (37842 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)
  RAJ2000 deg (i) SDSS Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) SDSS Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  Off arcsec [0/6] SDSS-WISE positional offset (pos.angDistance)
  z   [0.06/5.47] Redshift (src.redshift)
  umag mag (n) [15.3/26.8] SDSS u band PSF AB magnitude (Note G1)   (phot.mag;em.opt.U)
  e_umag mag (n) Error in umag (stat.error;phot.mag;em.opt.U)
  gmag mag (n) [15.3/26.5] SDSS g band PSF AB magnitude (Note G1)   (phot.mag;em.opt.B)
  e_gmag mag (n) Error in gmag (stat.error;phot.mag;em.opt.B)
  rmag mag (n) [15.2/22.9] SDSS r band PSF AB magnitude (Note G1)   (phot.mag;em.opt.R)
  e_rmag mag (n) Error in rmag (stat.error;phot.mag;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  imag mag (n) [14.8/22.1] SDSS i band PSF AB magnitude (Note G1)   (phot.mag;em.opt.I)
  e_imag mag (n) Error in imag (stat.error;phot.mag;em.opt.I)
  zmag mag (n) [14.8/22.7] SDSS z band PSF AB magnitude (Note G1)   (phot.mag;em.opt.I)
  e_zmag mag (n) Error in zmag (stat.error;phot.mag;em.opt.I)
  Au mag [0.0/3.8] Extinction in the u band (Note 2)   (phys.absorption)
  W1mag mag [9.8/19.1] WISE W1 (3.4um) band Vega magnitude (phot.mag;em.IR.3-4um)
  e_W1mag mag (n) Error in W1mag (stat.error;phot.mag)
  W2mag mag (n) [8.8/17.9] WISE W2 (4.6um) band Vega magnitude (phot.mag;em.IR.4-8um)
  e_W2mag mag (n) Error in W2mag (stat.error;phot.mag)
  W3mag mag (n) [4.1/13.8] WISE W3 (12um) band Vega magnitude (phot.flux.density;em.IR.8-15um)
  e_W3mag mag (n) Error in W3mag (stat.error;phot.mag)
  W4mag mag (n) [-0.7/10.4] WISE W4 (22um) band Vega magnitude (phot.flux.density;em.IR.15-30um)
  e_W4mag mag (n) Error in W4mag (stat.error;phot.mag)
  m20cm mag (n) FIRST (Cat. VIII/90) 20cm peak flux density expressed as AB magnitude (0 = no detection; -1.0 = source is not in FIRST area) (phot.flux.density;em.radio.750-1500MHz)
  logFX [ct/s] (n) log RASS full band count rate (phot.count;em.X-ray)
  SDSS_Q  Display the data from the SDSS Quasar Catalog DR7 (Cat. VII/260) within 1.5" (meta.ref.url)
  SDSS  Display the data from SDSS-DR7 and -DR9, Cat II/294 and V/139, within 1" (meta.ref.url)
  Sloan  Display the SDSS data for this quasar (meta.ref.url)

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