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VizieR

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J/ApJS/219/39/master QSOs selection from SDSS and WISE (Richards+, 2015)
*Master quasar catalog (table 1) (original column names in green) (1604577 rows)
  recno=977047
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200014 01 15.20493 "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 53 47.0000 "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)
_RAB195013 58 42.60664 "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+02 08 14.7884 "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)
_Glon339.41981449 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+59.72736249 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)
977047recno 977047  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000210.313354 deg (i) Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+01.896389 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)

C 1  Link to photometry details for this QSO candidate (meta.ref.url)

Run1462   [94/8162] SDSS run number (Note 1)   (meta.id;meta.main)
Rerun301   [301] SDSS rerun number (meta.id;obs)
Camcol3   [1/6] SDSS camera column (meta.id;instr)
Field567   [11/999] SDSS field number (meta.id;obs.field)
ID 160   [1/8138] SDSS ID number within the field (meta.id;obs.field)
OBJC_TYPE6   [3/6] SDSS object type (stellar=3, extended=6) (OBJC_TYPE) (src.class)
OBJC_FLAGS 268435472  SDSS object flags (OBJC_FLAGS) (Note 2)   (meta.code.error)
OBJC_FLAGS2 8208  SDSS object flags (OBJC_FLAGS2) (meta.code.error)
EXTINCTION_U 0.172 mag [0.01/6.2] Magnitudes of Galactic extinction in u-band (EXTINCTION_U) (phys.absorption)
EXTINCTION_G 0.126 mag [0.009/4.6] Magnitudes of Galactic extinction in g-band (EXTINCTION_G) (phys.absorption)
EXTINCTION_R 0.092 mag [0.006/3.3] Magnitudes of Galactic extinction in r-band (EXTINCTION_R) (phys.absorption)
EXTINCTION_I 0.070 mag [0.005/2.5] Magnitudes of Galactic extinction in i-band (EXTINCTION_I) (phys.absorption)
EXTINCTION_Z 0.049 mag [0.003/1.8] Magnitudes of Galactic extinction in i-band (EXTINCTION_Z) (phys.absorption)
PSFFLUX_U 17.0   [-27.7/2882.1] PSF flux in u-band (PSFFLUX_U) (phot.mag;em.opt.U)
PSFFLUX_G 18.0   [-10.9/8313] PSF flux in g-band (PSFFLUX_G) (phot.mag;em.opt.B)
PSFFLUX_R 18.1   [-0.6/11314.1] PSF flux in r-band (PSFFLUX_R) (phot.mag;em.opt.R)
PSFFLUX_I 24.9   [-31.1/12356.4] PSF flux in i-band (PSFFLUX_I) (phot.mag;em.opt.I)
PSFFLUX_Z 23.7   [-2.1/12640.6] PSF flux in z-band (PSFFLUX_Z) (phot.mag;em.opt.I)
PSFFLUX_IVAR_U 3.4   [0/232.2] Inverse variance of point-spread function flux in u-band (PSFFLUX_IVAR_U) (phot.mag;em.opt.U)
PSFFLUX_IVAR_G 7.0   [0/645.8] Inverse variance of point-spread function flux in g-band (PSFFLUX_IVAR_G) (phot.mag;em.opt.B)
PSFFLUX_IVAR_R 6.3   [0/307.8] Inverse variance of point-spread function flux in r-band (PSFFLUX_IVAR_R) (phot.mag;em.opt.R)
PSFFLUX_IVAR_I 4.3   [0/106.8] Inverse variance of point-spread function flux in i-band (PSFFLUX_IVAR_I) (phot.mag;em.opt.I)
PSFFLUX_IVAR_Z 0.5   [0/8] Inverse variance of point-spread function flux in z-band (PSFFLUX_IVAR_Z) (phot.mag;em.opt.I)
PSFFLUX_CLEAN_U 17.0   [-6.5/2882.1] Co-added point-spread function flux in u-band (PSFFLUX_CLEAN_U) (phot.mag;em.opt.U)
PSFFLUX_CLEAN_G 18.0   [-11/8313] Co-added point-spread function flux in g-band (PSFFLUX_CLEAN_G) (phot.mag;em.opt.B)
PSFFLUX_CLEAN_R 18.1   [-3/11314.1] Co-added point-spread function flux in r-band (PSFFLUX_CLEAN_R) (phot.mag;em.opt.R)
PSFFLUX_CLEAN_I 24.9   [-4.4/12356.4] Co-added point-spread function flux in i-band (PSFFLUX_CLEAN_I) (phot.mag;em.opt.I)
PSFFLUX_CLEAN_Z 23.7   [-19.8/12640.6] Co-added point-spread function flux in z-band (PSFFLUX_CLEAN_Z) (phot.mag;em.opt.I)
PSFFLUX_CLEAN_IVAR_U 3.4   [0/722.2] Inverse variance of co-added point-spread function flux in u-band (PSFFLUX_CLEAN_IVAR_U) (phot.mag;em.opt.U)
PSFFLUX_CLEAN_IVAR_G 7.0   [0/2902] Inverse variance of co-added point-spread function flux in g-band (PSFFLUX_CLEAN_IVAR_G) (phot.mag;em.opt.B)
PSFFLUX_CLEAN_IVAR_R 6.3   [0/1215.2] Inverse variance of co-added point-spread function flux in r-band (PSFFLUX_CLEAN_IVAR_R) (phot.mag;em.opt.R)
PSFFLUX_CLEAN_IVAR_I 4.3   [0/579.1] Inverse variance of co-added point-spread function flux in i-band (PSFFLUX_CLEAN_IVAR_I) (phot.mag;em.opt.I)
PSFFLUX_CLEAN_IVAR_Z 0.5   [0/36] Inverse variance of co-added point-spread function flux in z-band (PSFFLUX_CLEAN_IVAR_Z) (phot.mag;em.opt.I)
PSF_CLEAN_NUSE_U 1   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_U) (meta.code)
PSF_CLEAN_NUSE_G 1   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_G) (meta.code)
PSF_CLEAN_NUSE_R 1   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_R) (meta.code)
PSF_CLEAN_NUSE_I 1   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_I) (meta.code)
PSF_CLEAN_NUSE_Z 1   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_Z) (meta.code)
ZBEST1 1.853   [0.06/5.5] First zBest value (ZBEST1) (src.redshift.phot)
ZBEST2    [0.1/3.6] Second zBest value (ZBEST2) (src.redshift.phot)
ZBEST3    [0.06/4.9] Third zBest value (ZBEST3) (src.redshift.phot)
ZBEST4    [0.1/5.2] Fourth zBest value (ZBEST4) (src.redshift.phot)
ZBEST5    [-8/5] Fifth zBest value (ZBEST5) (src.redshift.phot)
ZBEST6    [0.1/4.2] Sixth zBest value (ZBEST6) (src.redshift.phot)
ZBEST7    [5.7/6.5] Seventh zBest value (ZBEST7) (src.redshift.phot)
ZBEST8    [0.03/5.9] Eighth zBest value (ZBEST8) (src.redshift.phot)
ZBEST9    [0.1/3.9] Ninth zBest value (ZBEST9) (src.redshift.phot)
ZBEST10 1.845   [-1/6.3] Tenth zBest value (ZBEST10) (src.redshift.phot)
ZBEST11 1.792   [0.3/5.5] Eleventh zBest value (ZBEST11) (src.redshift.phot)
ZBEST12    [0.07/3.6] Twelfth zBest value (ZBEST12) (src.redshift.phot)
ZBEST13    [3.8/5.1] Thirteenth zBest value (ZBEST13) (src.redshift.phot)
ZBEST14    [0.1/4.2] Fourtheenth zBest value (ZBEST14) (src.redshift.phot)
SOURCEBIT 1537   [1/10113] Redshift source flag (SOURCEBIT) (Note 3)   (meta.ref;pos.frame)
SDSS_UNIFORM0   [0/1] Indicates whether the SDSS object fell in the "uniform" selection area (SDSS_UNIFORM) (Note 4)   (meta.code)
AGES_QSO0   [0/1] AGES flag (AGES_QSO) (Note 5)   (meta.code)
AGES_CODE06 0   [-782208/786384] AGES flag (AGES_CODE06) (Note 5)   (meta.code)
KDE_ZPHOTLO 1.61   [-1/6] Minimum photometric redshift (KDE_ZPHOTLO) (Note 6)   (src.redshift.phot)
KDE_ZPHOTHI 1.95   [-1/6.5] Maximum photometric redshift (KDE_ZPHOTHI) (Note 6)   (src.redshift.phot)
KDE_ZPHOTPROB 0.80   [-1/1] Photometric redshift probability (6) (KDE_ZPHOTPROB) (stat.fit.goodness)
KDE_LOWZORUVX1   [0/1] Flag indicating a UV-excess or low-redshift source (KDE_LOWZORUVX) (Note 6)   (meta.code)
XDQSOZ_PEAKPROB 0.99   [0/1] Peak of the redshift probability (XDQSOZ_PEAKPROB) (Note 7)   (stat.fit.goodness)
XDQSOZ_PEAKFWHM 0.12   [0/3.2] FWHM of the redshift peak (7) (XDQSOZ_PEAKFWHM) (stat.error)
XDQSOZ_NPEAKS1   [0/8] Number of peaks in photo-z distribution (XDQSOZ_NPEAKS) (Note 7)   (meta.number)

SloanSloan  Display the online SDSS data for the nearest object (meta.ref.url)
  
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Rules of usage of VizieR data

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