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J/AJ/144/49/table1 Quasars from SDSS-DR7, WISE and UKIDSS surveys (Wu+, 2012)
A catalog of 37842 SDSS-WISE quasars (37842 rows)
  recno=19391
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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 46.9790 "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 14.7674 "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)
_Glon339.41980836 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+59.72735754 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)
19391recno 19391  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000210.313354 deg (i) SDSS Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+01.896383 deg (i) SDSS Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
Off 0.492 arcsec [0/6] SDSS-WISE positional offset (pos.angDistance)
z 1.857   [0.06/5.47] Redshift (src.redshift)
umag19.422 mag [15.3/26.8] SDSS u band PSF AB magnitude (Note G1)   (phot.mag;em.opt.U)
e_umag 0.036 mag Error in umag (stat.error;phot.mag;em.opt.U)
gmag19.368 mag [15.3/26.5] SDSS g band PSF AB magnitude (Note G1)   (phot.mag;em.opt.B)
e_gmag 0.022 mag Error in gmag (stat.error;phot.mag;em.opt.B)
rmag19.351 mag [15.2/22.9] SDSS r band PSF AB magnitude (Note G1)   (phot.mag;em.opt.R)
e_rmag 0.025 mag Error in rmag (stat.error;phot.mag;em.opt.R)
imag19.017 mag [14.8/22.1] SDSS i band PSF AB magnitude (Note G1)   (phot.mag;em.opt.I)
e_imag 0.025 mag Error in imag (stat.error;phot.mag;em.opt.I)
zmag19.053 mag [14.8/22.7] SDSS z band PSF AB magnitude (Note G1)   (phot.mag;em.opt.I)
e_zmag 0.062 mag Error in zmag (stat.error;phot.mag;em.opt.I)
Au 0.172 mag [0.0/3.8] Extinction in the u band (Note 2)   (phys.absorption)
W1mag16.695 mag [9.8/19.1] WISE W1 (3.4um) band Vega magnitude (phot.mag;em.IR.3-4um)
e_W1mag 0.141 mag Error in W1mag (stat.error;phot.mag)
W2mag 14.836 mag [8.8/17.9] WISE W2 (4.6um) band Vega magnitude (phot.mag;em.IR.4-8um)
e_W2mag 0.097 mag Error in W2mag (stat.error;phot.mag)
W3mag 11.606 mag [4.1/13.8] WISE W3 (12um) band Vega magnitude (phot.flux.density;em.IR.8-15um)
e_W3mag 0.234 mag Error in W3mag (stat.error;phot.mag)
W4mag 8.822 mag [-0.7/10.4] WISE W4 (22um) band Vega magnitude (phot.flux.density;em.IR.15-30um)
e_W4mag  mag Error in W4mag (stat.error;phot.mag)
m20cm  mag FIRST (Cat. VIII/90) 20cm peak flux density expressed as AB magnitude (0 = no detection; -1.0 = source is not in FIRST area) (phot.flux.density;em.radio.750-1500MHz)
logFX  [ct/s] log RASS full band count rate (phot.count;em.X-ray)

SDSS_QSDSS_Q  Display the data from the SDSS Quasar Catalog DR7 (Cat. VII/260) within 1.5" (meta.ref.url)
SDSSDR7+DR9  Display the data from SDSS-DR7 and -DR9, Cat II/294 and V/139, within 1" (meta.ref.url)
SloanSloan  Display the SDSS data for this quasar (meta.ref.url)
  
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