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/154/269
  A new photo-z method for quasars in Stripe 82 (Yang+, 2017)
ReadMe+ftp
2017AJ....154..269Y
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/154/269/table4Photometric quasar sample in S82 (45505 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) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  gmag mag [-1/30.75] Magnitude in g filter, galactic extinction corrected (phot.mag;em.opt.B)
  rmag mag [16.62/23] Magnitude in r filter, galactic extinction corrected (phot.mag;em.opt.R)
  zphot   [0.1/5.1] Photometric redshift (src.redshift.phot)
  z1   [0.05/5] The lower limit of zphot (z1 in Equation 8) (src.redshift.phot)
  z2   [0.15/5.15] The upper limit of zphot (z2 in Equation 8) (src.redshift.phot)
  Pprob   [0.052/1] The probability that the redshift locates within (z1, z2) (Pprob in Equation 8) (stat.fit.goodness)
  logPqso [-] [-2/1.361] The logarithmic likelihood of an object to be a quasar over the whole redshift range (LQSO in Equation 9) (stat.likelihood)
  logPstar [-] (n) [-322.829/-3.792] The logarithmic likelihood of an object to be a star (LStar in Equation 15) (stat.likelihood)
  logPgal [-] (n) [-322.829/-5.145] The logarithmic likelihood of an object being a galaxy (L'galaxy in Equation 20) (stat.likelihood)

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