VizieR

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VizieR

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J/ApJS/219/39/cand QSOs selection from SDSS and WISE (Richards+, 2015)
*Optical+MIR photometric quasar candidates catalog (table 2) (885503 rows)
  recno=344797
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ColumnValue  Explain   (UCD)
_RAJ200010 34 57.92733 "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+02 00 53.9930 "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)
_RAB195010 32 23.25253 "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 16 25.7433 "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)
_Glon244.61487256 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+48.79725138 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)
344797recno 344797  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000158.741364 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+02.014998 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
ClassQSO  Spectral classification (QSO, GALAXY, STAR, CELG, ??, or U) (Note 1)   (src.class)
zsp 0.41450   [0/6.7] Spectroscopic redshift (src.redshift)
umag19.872 mag [15/31.7] SDSS u-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.U)
e_umag 0.046 mag [0.003/99.99] Error on u-band magnitude (stat.error;phot.mag;em.opt.U)
gmag19.672 mag [15/27.4] SDSS g-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.B)
e_gmag 0.022 mag [0.003/44] Error on g-band magnitude (stat.error;phot.mag;em.opt.B)
rmag19.568 mag [15/25.9] SDSS r-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.R)
e_rmag 0.019 mag [0.002/18] Error on r-band magnitude (stat.error;phot.mag;em.opt.R)
imag19.503 mag [14.9/25] SDSS i-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.I)
e_imag 0.025 mag [0.002/21] Error on i-band magnitude (stat.error;phot.mag;em.opt.I)
zmag19.070 mag [15/24.5] SDSS z-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.I)
e_zmag 0.058 mag [0.003/16] Error on z-band magnitude (stat.error;phot.mag;em.opt.I)
3.6mag17.611 mag [12.8/23.8] 3.6um AB magnitude, corrected for Galactic extinction (phot.mag;em.IR.3-4um)
e_3.6mag 0.035 mag [0.02/0.7] Error on 3.6um magnitude (stat.error)
4.5mag17.335 mag [12.5/24.2] 4.5um AB magnitude, corrected for Galactic extinction (phot.mag;em.IR.4-8um)
e_4.5mag 0.041 mag [0.01/0.7] Error on 4.5um magnitude (stat.error)
Fu 9.88 3.63uJy [-101/810] SDSS u-band flux density in nanomaggies (phot.mag;em.opt.U)
e_Fu 0.42 3.63uJy [0.04/100] Error in u-band flux density (stat.error)
Fg 12.23 3.63uJy [-1/759] SDSS g-band flux density in nanomaggies (phot.mag;em.opt.B)
e_Fg 0.25 3.63uJy [0.02/54] Error in g-band flux density (stat.error)
Fr 13.88 3.63uJy [-0.3/805] SDSS r-band flux density in nanomaggies (phot.mag;em.opt.R)
e_Fr 0.24 3.63uJy [0.03/86] Error in r-band flux density (stat.error)
Fi 15.00 3.63uJy [-0.3/979] SDSS i-band flux density in nanomaggies (phot.mag;em.opt.I)
e_Fi 0.35 3.63uJy [0.04/163] Error in i-band flux density (stat.error)
Fz 22.62 3.63uJy [-4/945] SDSS z-band flux density in nanomaggies (phot.mag;em.opt.I)
e_Fz 1.20 3.63uJy [0.1/129] Error in z-band flux density (stat.error)
F3.6 325.69 uJy [1.1/25966] 3.6um flux density in microJy (phot.mag;em.IR.3-4um)
e_F3.6 10.50 uJy [0.09/551] Error in 3.6um flux density (stat.error)
F4.5 420.34 uJy [0.8/35613] 4.5um flux density in microJy (phot.mag;em.IR.4-8um)
e_F4.5 15.87 uJy [0.1/656] Error in 4.5um flux density (stat.error)
Ymag18.673 mag [14.6/26] Y-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.J)
e_Ymag 0.056 mag [0.003/46] Error in Y-band magnitude (stat.error;phot.mag;em.opt.B)
Jmag18.169 mag [13.9/21] J-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.J)
e_Jmag 0.052 mag [0.002/0.5] Error in J-band magnitude (stat.error;phot.mag;em.IR.J)
Hmag17.321 mag [13.2/20.3] H-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.H)
e_Hmag 0.064 mag [0.002/0.6] Error in H-band magnitude (stat.error;phot.mag;em.IR.H)
Kmag16.334 mag [11.8/19.6] K-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.K)
e_Kmag 0.037 mag [0.001/0.7] Error in K-band magnitude (stat.error;phot.mag;em.IR.K)
FUV20.983 mag [13.7/24.8] GALEX FUV magnitude (AB) (phot.mag;em.UV.100-200nm)
e_FUV 0.073 mag [0.008/0.6] Error in FUV magnitude (stat.error)
NUV20.465 mag [13.8/24.8] GALEX NUV magnitude (AB) (phot.mag;em.UV)
e_NUV 0.047 mag [0.004/0.5] Error in NUV magnitude (stat.error)
gisig-0.7   [-1/1] Indicator of distance from mean g-i color at ZHOTBEST (GI_SIGMA) (stat.fit.param)
Au 0.17 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 7.07   [0/402] Quasar density from KDE algorithm (stat.fit.param)
b_zphO 0.230   [0/100] Minimum photometric redshift [ugriz] (src.redshift.phot;stat.min)
zphO 0.365   [0.005/100] Best photometric redshift [ugriz] (ZPHOTBEST) (src.redshift.phot)
B_zphO 0.440   [0.01/100] Maximum photometric redshift [ugriz] (src.redshift.phot;stat.max)
zphOP 0.770   [0.005/100] Probability of ZPHOTBEST being between min and max (ZPHOTPROB) (stat.fit.goodness)
b_zphIR 0.15   [0/6] Minimum photometric redshift [ugrizJHK] (src.redshift.phot;stat.min)
zphIR 0.45   [0.05/6.3] Best photometric redshift (ugrizJHK) (ZPHOTBESTJHK) (src.redshift.phot)
B_zphIR 0.375   [0.02/6.3] Maximum photometric redshift (ugrizJHK) (ZPHOTMAXJHK) (src.redshift.phot;stat.max)
zphIRP 0.96   [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 34603008   [0/673192456] SDSS primary target selection flag; see Richards et al. (2002AJ....123.2945R) (meta.code)
pm 4.631 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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