VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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J/ApJS/180/67/catalog Photometric selection of quasars from SDSS. II. (Richards+, 2009)
Catalog of quasar candidates from non-parametric Bayes classifier kernel density estimate (NBC KDE) (tables 1 and 3 of paper) (1172157 rows)
  recno=225321
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200009 43 11.75967 "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+50 43 34.7970 "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)
_RAB195009 39 51.41795 "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+50 57 19.2239 "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)
_Glon166.19925348 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+47.45814944 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)
225321recno 225321  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Seq 267006  (i) Unique catalog number (meta.id;meta.main)
SDSS094311.75+504334.7  SDSS name (JHHMMSS.ss+DDMMSS.s) (linked to SDSS-DR6 data) (meta.id)
zph 0.505  Photometric redshift; see Weinstein et al., 2004ApJS..155..243W (src.redshift)
zph.L 0.400  Lower limit of zphot (src.redshift.phot)
zph.U 0.630  Upper limit of zphot (src.redshift.phot)
zpprob 0.253  Photometric redshift range probability (stat.probability)
umag 20.814 mag u band PSF ubercalibrated asinh magnitude (Note 1)   (phot.mag;em.opt.U)
e_umag 0.081 mag Error in umag (stat.error;phot.mag;em.opt.U)
gmag20.303 mag g band PSF ubercalibrated asinh magnitude (Note 1)   (phot.mag;em.opt.B)
e_gmag 0.023 mag Error in gmag (stat.error;phot.mag;em.opt.B)
rmag19.978 mag r band PSF ubercalibrated asinh magnitude (Note 1)   (phot.mag;em.opt.R)
e_rmag 0.026 mag Error in rmag (stat.error;phot.mag;em.opt.R)
imag19.541 mag i band PSF ubercalibrated asinh magnitude (Note 1)   (phot.mag;em.opt.I)
e_imag 0.025 mag Error in imag (stat.error;phot.mag;em.opt.I)
zmag19.485 mag z band PSF ubercalibrated asinh magnitude (Note 1)   (phot.mag;em.opt.I)
e_zmag 0.073 mag Error in zmag (stat.error;phot.mag;em.opt.I)
E(B-V) 0.016 mag The (B-V) extinction (Note 2)   (phot.color.excess)
c 0.059 mag Concentration for star/galaxy separation (Note 3)   (phys.size;arith.ratio)
F20cm  mJy the 20cm (1.5GHz) flux density (phot.flux.density;em.radio.1500-3000MHz)
FX  ct/s RASS full-band count rate (0.1-2keV) (phot.count;em.X-ray)
pm 5.16 mas/yr Proper motion (pos.pm)
mov-1   [-1/1] Flag to indicate possible moving object (Note 4)   (meta.code)
fz1   [0/1] Full z range flag, 95% star prior (meta.code)
lz1   [0/1] Low z range flag (z≤2.2), 98% star prior (meta.code)
mz0   [0/1] Mid z range flag (2.2<z<3.5), 98% star prior (meta.code)
hz0   [0/1] High z range flag (z≥3.5), 98% star prior (meta.code)
uv1   [0/1] UV-excess flag, 88% star prior; see Paper I, Cat. J/ApJS/155/257 (meta.code)
log(q) 0.052 [-] Kernel density estimate (KDE) quasar probability (stat.probability)
log(s) -2.619 [-] Kernel density estimate (KDE) star probability (stat.probability)
good 0   [-6/6] Quality flag (Note 5)   (meta.code.qual)
ClassU  Previous catalog object classification (Note 6)   (meta.code.class;src.class;meta.table)
z    Previous catalog object redshift (src.redshift)

SloanSloan  Display the SDSS data from the SDSS site (meta.ref.url)

RAJ2000145.798999 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+50.726332 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  
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Rules of usage of VizieR data

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