VizieR

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VizieR

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J/AJ/154/269/table4 A new photo-z method for quasars in Stripe 82 (Yang+, 2017)
Photometric quasar sample in S82 (45505 rows)
  recno=26252
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ColumnValue  Explain   (UCD)
_RAJ200002 27 47.6475744 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-01 10 19.654968 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195002 25 14.7832302 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-01 23 43.831442 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon168.6491107388 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-55.2491599918 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
26252recno 26252  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000036.94853156 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-01.17212638 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
gmag23.38 mag [-1/30.75] Magnitude in g filter, galactic extinction corrected (phot.mag;em.opt.B)
rmag22.45 mag [16.62/23] Magnitude in r filter, galactic extinction corrected (phot.mag;em.opt.R)
zphot 1.30   [0.1/5.1] Photometric redshift (src.redshift.phot)
z1 1.20   [0.05/5] The lower limit of zphot (z1 in Equation 8) (src.redshift.phot)
z2 1.45   [0.15/5.15] The upper limit of zphot (z2 in Equation 8) (src.redshift.phot)
Pprob 0.550   [0.052/1] The probability that the redshift locates within (z1, z2) (Pprob in Equation 8) (stat.fit.goodness)
logPqso-1.852 [-] [-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 -36.919 [-] [-322.829/-3.792] The logarithmic likelihood of an object to be a star (LStar in Equation 15) (stat.likelihood)
logPgal -20.318 [-] [-322.829/-5.145] The logarithmic likelihood of an object being a galaxy (L'galaxy in Equation 20) (stat.likelihood)
  
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