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/catalogQuasar Candidates (tables 5 and 6 of paper) (6138 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)
  Q (char) Quasars that meet the Bayesian algorithms (table 5), or meet our flux/magnitude criteria and are in both the Lacy and Stern wedges (table 6) (meta.note)
  Seq  (i) [1/6138] Unique catalog number, <[RDL2009] NNNN> in Simbad (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)
  SDSS (char) SDSS Name (JHHMMSS.SS+DDMMSS.S) (meta.id)
  ID (char) SDSS Object ID (meta.id)
  umag mag SDSS u band PSF asinh magnitude (Note 1)   (phot.mag;em.opt.U)
  e_umag mag Error in umag (stat.error;phot.mag;em.opt.U)
  gmag mag SDSS g band PSF asinh magnitude (Note 1)   (phot.mag;em.opt.B)
  e_gmag mag Error in gmag (stat.error;phot.mag;em.opt.B)

ALL cols		    
 (i)indexed column
  rmag mag SDSS r band PSF asinh magnitude (Note 1)   (phot.mag;em.opt.R)
  e_rmag mag Error in rmag (stat.error;phot.mag;em.opt.R)
  imag mag SDSS i band PSF asinh magnitude (Note 1)   (phot.mag;em.opt.I)
  e_imag mag Error in imag (stat.error;phot.mag;em.opt.I)
  zmag mag SDSS z band PSF asinh magnitude (Note 1)   (phot.mag;em.opt.I)
  e_zmag mag Error in zmag (stat.error;phot.mag;em.opt.I)
  F3.6 uJy Spitzer/IRAC 3.6 micron band flux density (phot.mag;em.IR.3-4um)
  e_F3.6 uJy Error in F3.6 (stat.error)
  F4.5 uJy Spitzer/IRAC 4.5 micron band flux density (phot.mag;em.IR.4-8um)
  e_F4.5 uJy Error in F4.5 (stat.error)
  F5.8 uJy Spitzer/IRAC 5.8 micron band flux density (phot.flux.density;em.IR.4-8um)
  e_F5.8 uJy Error in F5.8 (stat.error)
  F8.0 uJy Spitzer/IRAC 8.0 micron band flux density (phot.flux.density;em.IR.8-15um)

ALL cols		    
 (i)indexed column
  e_F8.0 uJy Error in F8.0 (stat.error)
  Au mag The u band Galactic extinction (Note 2)   (phys.absorption)
  cl   [3/6] SDSS Morphology (6=point, 3=extended) (src.class.starGalaxy)
  wL   [0/1] Lacy wedge region flag (1=in, 0=out) (meta.code)
  wS   [0/1] Stern wedge region flag (1=in, 0=out) (meta.code)
  wSm   [0/1] Modified Stern wedge flag (1=in, 0=out) (meta.code)
  cl8   [0/1] 8-D Bayesian classification (1=in, 0=out) (meta.code.class)
  cl6   [0/1] 6-D Bayesian classification (1=in, 0=out) (meta.code.class)
  zph8  8-D photometric redshift (Note 5)   (src.redshift.phot)
  e_zph8  Lower limit on zph8 (stat.error)
  E_zph8  Upper limit on zph8 (stat.error;stat.max)
  zpr8  8-D photometric redshift range probability (stat.fit.goodness)
  zph6  6-D photometric redshift (Note 5)   (src.redshift.phot)
  e_zph6  Lower limit on zph6 (stat.error)
  E_zph6  Upper limit on zph6 (stat.error;stat.max)
  zpr6  6-D photometric redshift range probability (stat.fit.goodness)
  O   [0/1] Optical selection flag (Note 6)   (meta.code)
  P-ID (char) Previous catalog identification with morphological type (Note G1)   (meta.code;src.morph)
  P-z  Previous catalog object redshift (src.redshift)
  Sloan  Display the SDSS data for this quasar (meta.ref.url)
  DR6  Details from the SDSS-DR6 photometry (Cat. II/282) (meta.ref.url)

ALL cols		    
 (i)indexed column
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