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J/AJ/144/49
  Quasars from SDSS-DR7, WISE and UKIDSS surveys (Wu+, 2012)
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1.J/AJ/144/49/table1(c)A catalog of 37842 SDSS-WISE quasars (37842 rows)
2.J/AJ/144/49/table2The color-redshift relations of SDSS-WISE quasars (80 rows)
3.J/AJ/144/49/table3(c)A catalog of 5614 SDSS-UKIDSS-WISE quasars (5614 rows)
4.J/AJ/144/49/table4The color-redshift relations of SDSS-UKIDSS-WISE quasars (82 rows)
5.J/AJ/144/49/table5(c)A catalog of 101853 SDSS-WISE quasars by matching the WISE all-sky data (101853 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1+3+5)RAJ2000 deg (i) SDSS Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  (1+3+5)DEJ2000 deg (i) SDSS Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  (1+5)Off arcsec [0/6] SDSS-WISE positional offset (pos.angDistance)
   (ALL)z   [0.06/5.47] Redshift (src.redshift)
  (1+3+5)umag mag (n) [15.3/26.8] SDSS u band PSF AB magnitude (Note G1)   (phot.mag;em.opt.U)
  (1+3+5)e_umag mag (n) Error in umag (stat.error;phot.mag;em.opt.U)
  (1+3+5)gmag mag (n) [15.3/26.5] SDSS g band PSF AB magnitude (Note G1)   (phot.mag;em.opt.B)
  (1+3+5)e_gmag mag (n) Error in gmag (stat.error;phot.mag;em.opt.B)
  (1+3+5)rmag mag (n) [15.2/22.9] SDSS r band PSF AB magnitude (Note G1)   (phot.mag;em.opt.R)
  (1+3+5)e_rmag mag (n) Error in rmag (stat.error;phot.mag;em.opt.R)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+3+5)imag mag (n) [14.8/22.1] SDSS i band PSF AB magnitude (Note G1)   (phot.mag;em.opt.I)
  (1+3+5)e_imag mag (n) Error in imag (stat.error;phot.mag;em.opt.I)
  (1+3+5)zmag mag (n) [14.8/22.7] SDSS z band PSF AB magnitude (Note G1)   (phot.mag;em.opt.I)
  (1+3+5)e_zmag mag (n) Error in zmag (stat.error;phot.mag;em.opt.I)
  (1+5)Au mag [0.0/3.8] Extinction in the u band (Note 2)   (phys.absorption)
  (1+3+5)W1mag mag [9.8/19.1] WISE W1 (3.4um) band Vega magnitude (phot.mag;em.IR.3-4um)
  (1+3+5)e_W1mag mag (n) Error in W1mag (stat.error;phot.mag)
  (1+3+5)W2mag mag (n) [8.8/17.9] WISE W2 (4.6um) band Vega magnitude (phot.mag;em.IR.4-8um)
  (1+3+5)e_W2mag mag (n) Error in W2mag (stat.error;phot.mag)
  (1+5)W3mag mag (n) [4.1/13.8] WISE W3 (12um) band Vega magnitude (phot.flux.density;em.IR.8-15um)
  (1+5)e_W3mag mag (n) Error in W3mag (stat.error;phot.mag)
  (1+5)W4mag mag (n) [-0.7/10.4] WISE W4 (22um) band Vega magnitude (phot.flux.density;em.IR.15-30um)
  (1+5)e_W4mag mag (n) Error in W4mag (stat.error;phot.mag)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+5)m20cm mag (n) 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)
  (1+5)logFX [ct/s] (n) log RASS full band count rate (phot.count;em.X-ray)
  (1+3+5)SDSS_Q (char) Display the data from the SDSS Quasar Catalog DR7 (Cat. VII/260) within 1.5" (meta.ref.url)
  (1+3+5)SDSS (char) Display the data from SDSS-DR7 and -DR9, Cat II/294 and V/139, within 1" (meta.ref.url)
  (1+3+5)Sloan (char) Display the SDSS data for this quasar (meta.ref.url)
  (2+4)u-g mag (n) SDSS (u-g) color index plot of u-g(z) (phot.color;em.opt.U;em.opt.B)
  (2+4)g-r mag SDSS (g-r) color index plot of g-r(z) (phot.color;em.opt.B;em.opt.R)
  (2+4)r-i mag SDSS (r-i) color index plot of r-i(z) (phot.color;em.opt.R;em.opt.I)
  (2+4)i-z mag SDSS (i-z) color index plot of i-z(z) (phot.color;em.opt.I;em.opt.I)
  (2)z-W1 mag The (SDSS z - WISE W1) color index plot of z-W1(z) (phot.color;em.IR;em.IR)
  (2+4)W1-W2 mag WISE (W1-W2) color index plot of W1-W2(z) (phot.color;em.IR;em.IR)
  (2)W2-W3 mag WISE (W2-W3) color index plot of W2-W3(z) (phot.color;em.IR;em.IR)
  (2)W3-W4 mag (n) WISE (W3-W4) color index plot of W3-W4(z) (phot.color;em.IR;em.IR)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Off1 arcsec [0/6] SDSS-UKIDSS positional offset (pos.angDistance)
  (3)Off2 arcsec [0/5] SDSS-WISE positional offset (pos.angDistance)
  (3)Ymag mag [14.7/20.4] UKIDSS Y band Vega magnitude (phot.mag;em.IR.J)
  (3)e_Ymag mag Error in Ymag (stat.error;phot.mag;em.opt.B)
  (3)Jmag mag [14.2/20.1] UKIDSS J band Vega magnitude (phot.mag;em.IR.J)
  (3)e_Jmag mag Error in Jmag (stat.error;phot.mag;em.IR.J)
  (3)Hmag mag [13.5/19.4] UKIDSS H band Vega magnitude (phot.mag;em.IR.H)
  (3)e_Hmag mag Error in Hmag (stat.error;phot.mag;em.IR.H)
  (3)Kmag mag [12.3/18.7] UKIDSS K band Vega magnitude (phot.mag;em.IR.K)
  (3)e_Kmag mag Error in Kmag (stat.error;phot.mag;em.IR.K)
  (3)ULAS (char) Display the data from the DR9 data of the UKIDSS/LAS (Cat. II/319) within 5" (meta.ref.url)
  (4)z-Y mag [0.388/1.101] The (SDSS z - UKIDSS Y) color index plot of z-Y(z) (phot.color;em.IR;em.IR)
  (4)Y-J mag [0.03/0.85] UKIDSS (Y-J) color index plot of Y-J(z) (phot.color;em.IR;em.IR)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)J-H mag [0.193/0.859] UKIDSS (J-H) color index plot of J-H(z) (phot.color;em.IR.J;em.IR.H)
  (4)H-K mag [0.252/1.117] UKIDSS (H-K) color index plot of H-K(z) (phot.color;em.IR.H;em.IR.K)
  (4)K-W1 mag [0.536/1.608] The (UKIDSS K - WISE W1) color index plot of K-W1(z) (phot.color;em.IR;em.IR)
  (5)WISE (char) Display the data from the WISE all-sky data (Cat. II/311) within 5" (meta.ref.url)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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