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=243310
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ColumnValue  Explain   (UCD)
_RAJ200009 02 42.53907 "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+30 23 04.5670 "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)
_RAB195008 59 41.13328 "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+30 34 56.6817 "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)
_Glon194.83081896 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+40.29572718 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)
243310recno 243310  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000135.677246 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+30.384602 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
ClassQSO  Spectral classification (QSO, GALAXY, STAR, CELG, ??, or U) (Note 1)   (src.class)
zsp 0.59039   [0/6.7] Spectroscopic redshift (src.redshift)
umag18.716 mag [15/31.7] SDSS u-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.U)
e_umag 0.019 mag [0.003/99.99] Error on u-band magnitude (stat.error;phot.mag;em.opt.U)
gmag18.384 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)
rmag18.505 mag [15/25.9] SDSS r-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.R)
e_rmag 0.010 mag [0.002/18] Error on r-band magnitude (stat.error;phot.mag;em.opt.R)
imag18.332 mag [14.9/25] SDSS i-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.I)
e_imag 0.013 mag [0.002/21] Error on i-band magnitude (stat.error;phot.mag;em.opt.I)
zmag18.439 mag [15/24.5] SDSS z-band AB magnitude, corrected for Galactic extinction (phot.mag;em.opt.I)
e_zmag 0.022 mag [0.003/16] Error on z-band magnitude (stat.error;phot.mag;em.opt.I)
3.6mag17.202 mag [12.8/23.8] 3.6um AB magnitude, corrected for Galactic extinction (phot.mag;em.IR.3-4um)
e_3.6mag 0.031 mag [0.02/0.7] Error on 3.6um magnitude (stat.error)
4.5mag17.006 mag [12.5/24.2] 4.5um AB magnitude, corrected for Galactic extinction (phot.mag;em.IR.4-8um)
e_4.5mag 0.038 mag [0.01/0.7] Error on 4.5um magnitude (stat.error)
Fu 29.53 3.63uJy [-101/810] SDSS u-band flux density in nanomaggies (phot.mag;em.opt.U)
e_Fu 0.51 3.63uJy [0.04/100] Error in u-band flux density (stat.error)
Fg 40.97 3.63uJy [-1/759] SDSS g-band flux density in nanomaggies (phot.mag;em.opt.B)
e_Fg 0.58 3.63uJy [0.02/54] Error in g-band flux density (stat.error)
Fr 37.55 3.63uJy [-0.3/805] SDSS r-band flux density in nanomaggies (phot.mag;em.opt.R)
e_Fr 0.34 3.63uJy [0.03/86] Error in r-band flux density (stat.error)
Fi 44.66 3.63uJy [-0.3/979] SDSS i-band flux density in nanomaggies (phot.mag;em.opt.I)
e_Fi 0.54 3.63uJy [0.04/163] Error in i-band flux density (stat.error)
Fz 40.88 3.63uJy [-4/945] SDSS z-band flux density in nanomaggies (phot.mag;em.opt.I)
e_Fz 0.83 3.63uJy [0.1/129] Error in z-band flux density (stat.error)
F3.6 475.55 uJy [1.1/25966] 3.6um flux density in microJy (phot.mag;em.IR.3-4um)
e_F3.6 13.58 uJy [0.09/551] Error in 3.6um flux density (stat.error)
F4.5 569.64 uJy [0.8/35613] 4.5um flux density in microJy (phot.mag;em.IR.4-8um)
e_F4.5 19.94 uJy [0.1/656] Error in 4.5um flux density (stat.error)
Ymag17.826 mag [14.6/26] Y-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.J)
e_Ymag 0.022 mag [0.003/46] Error in Y-band magnitude (stat.error;phot.mag;em.opt.B)
Jmag17.503 mag [13.9/21] J-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.J)
e_Jmag 0.024 mag [0.002/0.5] Error in J-band magnitude (stat.error;phot.mag;em.IR.J)
Hmag16.912 mag [13.2/20.3] H-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.H)
e_Hmag 0.049 mag [0.002/0.6] Error in H-band magnitude (stat.error;phot.mag;em.IR.H)
Kmag16.033 mag [11.8/19.6] K-band Vega magnitude from UKIDSS or VHS (Note 2)   (phot.mag;em.IR.K)
e_Kmag 0.032 mag [0.001/0.7] Error in K-band magnitude (stat.error;phot.mag;em.IR.K)
FUV19.665 mag [13.7/24.8] GALEX FUV magnitude (AB) (phot.mag;em.UV.100-200nm)
e_FUV 0.119 mag [0.008/0.6] Error in FUV magnitude (stat.error)
NUV18.973 mag [13.8/24.8] GALEX NUV magnitude (AB) (phot.mag;em.UV)
e_NUV 0.056 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 0.13 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 6.51   [0/402] Quasar density from KDE algorithm (stat.fit.param)
b_zphO 0.490   [0/100] Minimum photometric redshift [ugriz] (src.redshift.phot;stat.min)
zphO 0.605   [0.005/100] Best photometric redshift [ugriz] (ZPHOTBEST) (src.redshift.phot)
B_zphO 0.680   [0.01/100] Maximum photometric redshift [ugriz] (src.redshift.phot;stat.max)
zphOP 0.883   [0.005/100] Probability of ZPHOTBEST being between min and max (ZPHOTPROB) (stat.fit.goodness)
b_zphIR 0.45   [0/6] Minimum photometric redshift [ugrizJHK] (src.redshift.phot;stat.min)
zphIR 0.70   [0.05/6.3] Best photometric redshift (ugrizJHK) (ZPHOTBESTJHK) (src.redshift.phot)
B_zphIR 0.625   [0.02/6.3] Maximum photometric redshift (ugrizJHK) (ZPHOTMAXJHK) (src.redshift.phot;stat.max)
zphIRP 0.98   [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)
Uni1   [0/1] Indicates if object was selected according to Richards et al. (2002AJ....123.2945R) (meta.code)
Prim 3   [0/673192456] SDSS primary target selection flag; see Richards et al. (2002AJ....123.2945R) (meta.code)
pm 6.438 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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