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J/AJ/126/2579
 SDSS quasar catalog. II. First data release (Schneider+, 2003) This catalogue is obsoleted by VII/243
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img(gal)
1.J/AJ/126/2579/table1The SDSS Quasar Catalog II (16713 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  DR1 (char) Object Designation (Note 1)   (meta.id;meta.main)
  RAJ2000 deg Right Ascension expressed in degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg Declination expressed in degrees (J2000) (pos.eq.dec;meta.main)
  z  Redshift (src.redshift)
  f_DR1  Source of object (Note 2)   (meta.code)
  umag mag SDSS u band PSF magnitude (Note 3)   (phot.mag;em.opt.U)
  e_umag mag Error in umag (stat.error;phot.mag;em.opt.U)
  gmag mag SDSS g band PSF magnitude (Note 3)   (phot.mag;em.opt.B)
  e_gmag mag Error in gmag (stat.error;phot.mag;em.opt.B)
  rmag mag SDSS r band PSF magnitude (Note 3)   (phot.mag;em.opt.R)

ALL cols
    
   
  e_rmag mag Error in rmag (stat.error;phot.mag;em.opt.R)
  imag mag SDSS i band PSF magnitude (Note 3)   (phot.mag;em.opt.I)
  e_imag mag Error in imag (stat.error;phot.mag;em.opt.I)
  zmag mag SDSS z band PSF magnitude (Note 3)   (phot.mag;em.opt.I)
  e_zmag mag Error in zmag (stat.error;phot.mag;em.opt.I)
  Au mag Galactic absorption in u band (Note 4)   (phys.absorption.gal)
  F20cm mag (n) FIRST Peak flux density at 20cm (Note 5)   (phot.flux.density;em.radio.750-1500MHz)
  F-S/N  (n) S/N ratio for FIRST flux (stat.snr)
  SF-Sep arcsec The SDSS/FIRST separation (pos.angDistance)
  logCtR [ct/s] (n) RASS (Xray) BSC/FSC full band count rate (Note 6)   (phot.count;em.X-ray)
  X-S/N  S/N ratio for RASS count rate (stat.snr)
  SX-Sep arcsec SDSS/RASS separation (pos.angDistance)
  Jmag mag (n) 2MASS J band magnitude (Note 7)   (phot.mag;em.IR.J)

ALL cols
    
(n) indicates a possible blank or NULL column  
  e_Jmag mag (n) Error in Jmag (stat.error;phot.mag;em.IR.J)
  Hmag mag (n) 2MASS H band magnitude (Note 7)   (phot.mag;em.IR.H)
  e_Hmag mag (n) Error in Hmag (stat.error;phot.mag;em.IR.H)
  Kmag mag (n) 2MASS K band magnitude (Note 7)   (phot.mag;em.IR.K)
  e_Kmag mag (n) Error in Kmag (stat.error;phot.mag;em.IR.K)
  S2-Sep arcsec SDSS/2MASS separation (pos.angDistance)
  iMag mag Absolute SDSS i band magnitude (Note 8)   (phys.magAbs;em.opt.I)
  MFlag   [0,1] Morphology flag (Note 9)   (meta.code;src.morph)
  Plate   [1,13] Target selection in plate drilling (Note 10)   (meta.code)
  TLow-z   [0,1] TARGET Low-z Quasar (color selection only) target flag (Note 11)   (meta.code)
  THigh-z   [0,1] TARGET High-z Quasar (color selection only) target flag (Note 11)   (meta.code)
  TFIRST   [0,1] TARGET FIRST target flag (Note 11)   (meta.code)
  TROSAT   [0,1] TARGET ROSAT target flag (Note 11)   (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column  
  TSerend   [0,1] TARGET Serendipity target flag (Note 11)   (meta.code)
  TStar   [0,1] TARGET Star target flag (Note 11)   (meta.code)
  TGal   [0,1] TARGET Galaxy target flag (Note 11)   (meta.code)
  BLow-z   [0,1] BEST Low-z Quasar (color selection only) target flag (Note 11)   (meta.code)
  BHigh-z   [0,1] BEST High-z Quasar (color selection only) target flag (Note 11)   (meta.code)
  BFIRST   [0,1] BEST FIRST target flag (Note 11)   (meta.code)
  BROSAT   [0,1] BEST ROSAT target flag (Note 11)   (meta.code)
  BSerend   [0,1] BEST Serendipity target flag (Note 11)   (meta.code)
  BStar   [0,1] BEST Star target flag (Note 11)   (meta.code)
  BGal   [0,1] BEST Galaxy target flag (Note 11)   (meta.code)
  RNum  SDSS Imaging Run Number for BEST photometry (meta.id;obs)
  B-MJD "Y:M:D" BEST observation Modified Julian Date (time.epoch)
  S-MJD "Y:M:D" Spectroscopic observation Modified Julian Date (time.epoch)
  PNum  Spectroscopic Plate Number (obs.field)
  FNum  Spectroscopic Fiber Number (meta.note)
  Name (char) Object Name if previously published (Note 12)   (meta.id)
  FIRST  Display the spectrum (meta.ref.url)
  2MASS  Display the spectrum (meta.ref.url)
  ROSAT  Display the spectrum (meta.ref.url)

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