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/ApJS/180/67
  Photometric selection of quasars from SDSS. II. (Richards+, 2009)
ReadMe+ftp
2009ApJS..180...67R
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/180/67/catalogCatalog of quasar candidates from non-parametric Bayes classifier kernel density estimate (NBC KDE) (tables 1 and 3 of paper) (1172157 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  Seq  (i) Unique catalog number ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  SDSS (char) SDSS name (JHHMMSS.ss+DDMMSS.s) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  zph  Photometric redshift; see Weinstein et al., 2004ApJS..155..243W ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  zph.L  Lower limit of zphot ((unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  zph.U  Upper limit of zphot ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);meta.main)
  zpprob  Photometric redshift range probability ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);meta.main)
  umag mag u band PSF ubercalibrated asinh magnitude (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  e_umag mag Error in umag ((unassigned);phys.veloc.orbital;arith.diff;time.age;stat.probability;(unassigned);(unassigned))
  gmag mag g band PSF ubercalibrated asinh magnitude (Note 1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  e_gmag mag Error in gmag ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))

ALL cols		    
 (i)indexed column
  rmag mag r band PSF ubercalibrated asinh magnitude (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  e_rmag mag Error in rmag ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))
  imag mag i band PSF ubercalibrated asinh magnitude (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  e_imag mag Error in imag ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))
  zmag mag z band PSF ubercalibrated asinh magnitude (Note 1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  e_zmag mag Error in zmag ((unassigned);obs.atmos;arith.factor;time.age;stat.probability;(unassigned);(unassigned))
  E(B-V) mag The (B-V) extinction (Note 2)   ((unassigned);(unassigned);(unassigned);pos.lsr)
  c mag Concentration for star/galaxy separation (Note 3)   ((unassigned);(unassigned);(unassigned);(unassigned);instr.offset)
  F20cm mJy (n) the 20cm (1.5GHz) flux density ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  FX ct/s (n) RASS full-band count rate (0.1-2keV) ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))
  pm mas/yr (n) Proper motion ((unassigned);instr.det.psf;arith.grad;instr.offset;meta.main)
  mov   [-1/1] Flag to indicate possible moving object (Note 4)   (stat.fit.goodness;(unassigned);(unassigned);pos.eq.dec)
  fz   [0/1] Full z range flag, 95% star prior ((unassigned);phys.veloc.escape;(unassigned);pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  lz   [0/1] Low z range flag (z<=2.2), 98% star prior ((unassigned);instr.det.psf;arith.grad;pos.eq.dec)
  mz   [0/1] Mid z range flag (2.2<z<3.5), 98% star prior ((unassigned);(unassigned);arith.factor;pos.eq.dec)
  hz   [0/1] High z range flag (z>=3.5), 98% star prior ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  uv   [0/1] UV-excess flag, 88% star prior; see Paper I, Cat. J/ApJS/155/257 ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  log(q) [-] Kernel density estimate (KDE) quasar probability ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);meta.main)
  log(s) [-] Kernel density estimate (KDE) star probability (src.class.distance;em.IR.30-60um;arith.factor;(unassigned);meta.main)
  good   [-6/6] Quality flag (Note 5)   ((unassigned);(unassigned);(unassigned);pos.cartesian)
  Class (char) Previous catalog object classification (Note 6)   ((unassigned);(unassigned);(unassigned);pos.galactic;phys.atmol.sweight;phys.veloc.pulsat)
  z  (n) Previous catalog object redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  Sloan  Display the SDSS data from the SDSS site ((unassigned);(unassigned);(unassigned);pos.geocentric)
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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