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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=1533640
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200022 43 21.56253 "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)
_DEJ2000-00 06 53.9600 "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)
_RAB195022 40 47.68787 "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)
_DEB1950-00 22 38.6623 "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)
_Glon068.90412433 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-49.06948190 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)
1533640recno 1533640  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000340.839844 deg (i) Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-00.114989 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)

C 0  Link to photometry details for this QSO candidate (meta.ref.url)

Run4207   [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)
Field243   [11/999] SDSS field number (meta.id;obs.field)
ID 364   [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 16785424  SDSS object flags (OBJC_FLAGS2) (meta.code.error)
EXTINCTION_U 0.331 mag [0.01/6.2] Magnitudes of Galactic extinction in u-band (EXTINCTION_U) (phys.absorption)
EXTINCTION_G 0.244 mag [0.009/4.6] Magnitudes of Galactic extinction in g-band (EXTINCTION_G) (phys.absorption)
EXTINCTION_R 0.177 mag [0.006/3.3] Magnitudes of Galactic extinction in r-band (EXTINCTION_R) (phys.absorption)
EXTINCTION_I 0.134 mag [0.005/2.5] Magnitudes of Galactic extinction in i-band (EXTINCTION_I) (phys.absorption)
EXTINCTION_Z 0.095 mag [0.003/1.8] Magnitudes of Galactic extinction in i-band (EXTINCTION_Z) (phys.absorption)
PSFFLUX_U 0.8   [-27.7/2882.1] PSF flux in u-band (PSFFLUX_U) (phot.mag;em.opt.U)
PSFFLUX_G 2.9   [-10.9/8313] PSF flux in g-band (PSFFLUX_G) (phot.mag;em.opt.B)
PSFFLUX_R 4.9   [-0.6/11314.1] PSF flux in r-band (PSFFLUX_R) (phot.mag;em.opt.R)
PSFFLUX_I 5.2   [-31.1/12356.4] PSF flux in i-band (PSFFLUX_I) (phot.mag;em.opt.I)
PSFFLUX_Z 4.9   [-2.1/12640.6] PSF flux in z-band (PSFFLUX_Z) (phot.mag;em.opt.I)
PSFFLUX_IVAR_U 12.2   [0/232.2] Inverse variance of point-spread function flux in u-band (PSFFLUX_IVAR_U) (phot.mag;em.opt.U)
PSFFLUX_IVAR_G 23.0   [0/645.8] Inverse variance of point-spread function flux in g-band (PSFFLUX_IVAR_G) (phot.mag;em.opt.B)
PSFFLUX_IVAR_R 17.3   [0/307.8] Inverse variance of point-spread function flux in r-band (PSFFLUX_IVAR_R) (phot.mag;em.opt.R)
PSFFLUX_IVAR_I 9.0   [0/106.8] Inverse variance of point-spread function flux in i-band (PSFFLUX_IVAR_I) (phot.mag;em.opt.I)
PSFFLUX_IVAR_Z 0.7   [0/8] Inverse variance of point-spread function flux in z-band (PSFFLUX_IVAR_Z) (phot.mag;em.opt.I)
PSFFLUX_CLEAN_U 1.3   [-6.5/2882.1] Co-added point-spread function flux in u-band (PSFFLUX_CLEAN_U) (phot.mag;em.opt.U)
PSFFLUX_CLEAN_G 3.0   [-11/8313] Co-added point-spread function flux in g-band (PSFFLUX_CLEAN_G) (phot.mag;em.opt.B)
PSFFLUX_CLEAN_R 4.8   [-3/11314.1] Co-added point-spread function flux in r-band (PSFFLUX_CLEAN_R) (phot.mag;em.opt.R)
PSFFLUX_CLEAN_I 5.3   [-4.4/12356.4] Co-added point-spread function flux in i-band (PSFFLUX_CLEAN_I) (phot.mag;em.opt.I)
PSFFLUX_CLEAN_Z 4.8   [-19.8/12640.6] Co-added point-spread function flux in z-band (PSFFLUX_CLEAN_Z) (phot.mag;em.opt.I)
PSFFLUX_CLEAN_IVAR_U134.1   [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 234.0   [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 113.0   [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 67.4   [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 7.5   [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_U14   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_U) (meta.code)
PSF_CLEAN_NUSE_G14   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_G) (meta.code)
PSF_CLEAN_NUSE_R14   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_R) (meta.code)
PSF_CLEAN_NUSE_I14   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_I) (meta.code)
PSF_CLEAN_NUSE_Z14   [0/35] Flag indicating whether co-added (CLEAN) flux should be used (PSF_CLEAN_NUSE_Z) (meta.code)
ZBEST1    [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 1.395   [-1/6.3] Tenth zBest value (ZBEST10) (src.redshift.phot)
ZBEST11    [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 512   [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 1.17   [-1/6] Minimum photometric redshift (KDE_ZPHOTLO) (Note 6)   (src.redshift.phot)
KDE_ZPHOTHI 1.42   [-1/6.5] Maximum photometric redshift (KDE_ZPHOTHI) (Note 6)   (src.redshift.phot)
KDE_ZPHOTPROB 0.13   [-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 0.00   [0/1] Peak of the redshift probability (XDQSOZ_PEAKPROB) (Note 7)   (stat.fit.goodness)
XDQSOZ_PEAKFWHM 0.00   [0/3.2] FWHM of the redshift peak (7) (XDQSOZ_PEAKFWHM) (stat.error)
XDQSOZ_NPEAKS0   [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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