VizieR

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

VizieR

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J/ApJS/219/39/cand QSOs selection from SDSS and WISE (Richards+, 2015)
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*Optical+MIR photometric quasar candidates catalog (table 2) (885503 rows) 		  recno=25163
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ColumnValue  Explain   (UCD)
_RAJ200000 28 53.52047 "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 05 29.3350 "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)
_RAB195000 26 19.78359 "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 04.1382 "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)
_Glon110.68192518 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-62.42578265 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)
25163recno 25163  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
RAJ2000007.223002 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-00.091482 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
ClassU  Spectral classification (QSO, GALAXY, STAR, CELG, ??, or U) (Note 1)   (src.class)
zsp    [0/6.7] Spectroscopic redshift (src.redshift)
umag20.919 mag [15/31.7] SDSS u-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.U)
e_umag 0.022 mag [0.003/99.99] Error on u-band magnitude (stat.error;phot.mag;em.opt.U)
gmag20.844 mag [15/27.4] SDSS g-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.B)
e_gmag 0.015 mag [0.003/44] Error on g-band magnitude (stat.error;phot.mag;em.opt.B)
rmag20.919 mag [15/25.9] SDSS r-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.R)
e_rmag 0.018 mag [0.002/18] Error on r-band magnitude (stat.error;phot.mag;em.opt.R)
imag20.730 mag [14.9/25] SDSS i-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.I)
e_imag 0.022 mag [0.002/21] Error on i-band magnitude (stat.error;phot.mag;em.opt.I)
zmag20.610 mag [15/24.5] SDSS z-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.I)
e_zmag 0.050 mag [0.003/16] Error on z-band magnitude (stat.error;phot.mag;em.opt.I)
3.6mag20.164 mag [12.8/23.8] 3.6um AB magnitude, corrected for Galactic extinction (phot.mag;em.IR.3-4um)
e_3.6mag 0.188 mag [0.02/0.7] Error on 3.6um magnitude (stat.error)
4.5mag19.882 mag [12.5/24.2] 4.5um AB magnitude, corrected for Galactic extinction (phot.mag;em.IR.4-8um)
e_4.5mag 0.292 mag [0.01/0.7] Error on 4.5um magnitude (stat.error)
Fu 3.96 3.63uJy [-101/810] SDSS u-band flux density in nanomaggies (phot.mag;em.opt.U)
e_Fu 0.08 3.63uJy [0.04/100] Error in u-band flux density (stat.error)
Fg 4.32 3.63uJy [-1/759] SDSS g-band flux density in nanomaggies (phot.mag;em.opt.B)
e_Fg 0.06 3.63uJy [0.02/54] Error in g-band flux density (stat.error)
Fr 4.11 3.63uJy [-0.3/805] SDSS r-band flux density in nanomaggies (phot.mag;em.opt.R)
e_Fr 0.07 3.63uJy [0.03/86] Error in r-band flux density (stat.error)
Fi 4.94 3.63uJy [-0.3/979] SDSS i-band flux density in nanomaggies (phot.mag;em.opt.I)
e_Fi 0.10 3.63uJy [0.04/163] Error in i-band flux density (stat.error)
Fz 5.47 3.63uJy [-4/945] SDSS z-band flux density in nanomaggies (phot.mag;em.opt.I)
e_Fz 0.26 3.63uJy [0.1/129] Error in z-band flux density (stat.error)
F3.6 31.10 uJy [1.1/25966] 3.6um flux density in microJy (phot.mag;em.IR.3-4um)
e_F3.6 5.39 uJy [0.09/551] Error in 3.6um flux density (stat.error)
F4.5 40.33 uJy [0.8/35613] 4.5um flux density in microJy (phot.mag;em.IR.4-8um)
e_F4.5 10.85 uJy [0.1/656] Error in 4.5um flux density (stat.error)
Ymag  mag [14.6/26] Y-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.J)
e_Ymag  mag [0.003/46] Error in Y-band magnitude (stat.error;phot.mag;em.opt.B)
Jmag19.798 mag [13.9/21] J-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.J)
e_Jmag 0.197 mag [0.002/0.5] Error in J-band magnitude (stat.error;phot.mag;em.IR.J)
Hmag19.111 mag [13.2/20.3] H-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.H)
e_Hmag 0.215 mag [0.002/0.6] Error in H-band magnitude (stat.error;phot.mag;em.IR.H)
Kmag18.028 mag [11.8/19.6] K-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.K)
e_Kmag 0.135 mag [0.001/0.7] Error in K-band magnitude (stat.error;phot.mag;em.IR.K)
FUV  mag [13.7/24.8] GALEX FUV magnitude (AB) (phot.mag;em.UV.100-200nm)
e_FUV  mag [0.008/0.6] Error in FUV magnitude (stat.error)
NUV  mag [13.8/24.8] GALEX NUV magnitude (AB) (phot.mag;em.UV)
e_NUV  mag [0.004/0.5] Error in NUV magnitude (stat.error)
gisig-0.9   [-1/1] Indicator of distance from mean g-i color at ZHOTBEST (GI_SIGMA) (stat.fit.param)
Au 0.10 mag [0.01/1] Extinction in SDSS u band (phys.absorption)
den* 0.00   [0/1.2] Star density from KDE algorithm (stat.fit.param)
denq 15.87   [0/402] Quasar density from KDE algorithm (stat.fit.param)
b_zphO 1.590   [0/100] Minimum photometric redshift [ugriz] (src.redshift.phot;stat.min)
zphO 1.925   [0.005/100] Best photometric redshift [ugriz] (ZPHOTBEST) (src.redshift.phot)
B_zphO 2.110   [0.01/100] Maximum photometric redshift [ugriz] (src.redshift.phot;stat.max)
zphOP 0.939   [0.005/100] Probability of ZPHOTBEST being between min and max (ZPHOTPROB) (stat.fit.goodness)
b_zphIR 1.95   [0/6] Minimum photometric redshift [ugrizJHK] (src.redshift.phot;stat.min)
zphIR 2.25   [0.05/6.3] Best photometric redshift (ugrizJHK) (ZPHOTBESTJHK) (src.redshift.phot)
B_zphIR 2.125   [0.02/6.3] Maximum photometric redshift (ugrizJHK) (ZPHOTMAXJHK) (src.redshift.phot;stat.max)
zphIRP 0.80   [0.2/1] Probability of ZPHOTBESTJHK being between min and max (ZPHOTPROBJHK) (stat.fit.goodness)
Leg1   [0/1] Indicates if object is in the SDSS Legacy footprint (meta.code)
Uni0   [0/1] Indicates if object was selected according to Richards et al. (2002AJ....123.2945R) (meta.code)
Prim 33554432   [0/673192456] SDSS primary target selection flag; see Richards et al. (2002AJ....123.2945R) (meta.code)
pm  mas/yr [0.005/193] Proper motion in milliarcseconds per year (pos.pm)
DB1   [1/7] Bitwise flag indicating low-z (20), mid-z (21), and high-z (22) sources (meta.code)
SloanSloan  Display the online SDSS data for the nearest object (meta.ref.url)
  
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