VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
VII/243
  SDSS quasar catalog. III. (Schneider+, 2005) This catalogue is obsoleted by 7252
Post annotation
img(gal)
1.VII/243/dr3qsoThe SDSS quasar catalog III (46420 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  SDSS (char) Object Designation (Note 1)   
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  z  Redshift ((unassigned);phys.veloc.orbital;arith.diff)
  umag mag SDSS u band PSF magnitude (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_umag mag Error in umag ((unassigned);phys.veloc.orbital;arith.diff)
  gmag mag SDSS g band PSF magnitude (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_gmag mag Error in gmag ((unassigned);phys.veloc.orbital;arith.diff)
  rmag mag SDSS r band PSF magnitude (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_rmag mag Error in rmag ((unassigned);phys.veloc.orbital;arith.diff)

ALL cols
    
 (i)indexed column
  imag mag SDSS i band PSF magnitude (Note 2)   
  e_imag mag Error in imag ((unassigned);phys.veloc.orbital;arith.diff)
  zmag mag SDSS z band PSF magnitude (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_zmag mag Error in zmag ((unassigned);phys.veloc.orbital;arith.diff)
  Au mag Galactic absorption in u band (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff)
  logHI [cm-2] Log of the Galactic HI column density ((unassigned);phys.veloc.orbital;arith.diff)
  F20cm mag FIRST 20cm peak flux density in AB mags (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff)
  w_F20cm  The S/N ratio for FIRST flux ((unassigned);phys.veloc.orbital;arith.diff)
  sepR arcsec The SDSS/FIRST separation ((unassigned);phys.veloc.orbital;arith.diff)
  fRo   [0,1] FIRST flux at optical position but no source in FIRST catalog flag (Note 5)   ((unassigned);phys.veloc.orbital;arith.diff)
  fR1  FIRST source a distance between 2"-30" from the optical position (Note 6)   ((unassigned);phys.veloc.orbital;arith.diff)
  logX [ct/s] (n) RASS BSC/FSC full band count rate (Note 7)   ((unassigned);phys.veloc.orbital;arith.diff)
  w_logX  The S/N ratio for RASS count rate

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  sepX arcsec The SDSS/RASS separation
  Jmag mag (n) The 2MASS J magnitude (Note 8)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_Jmag mag Error in Jmag ((unassigned);phys.veloc.orbital;arith.diff)
  Hmag mag (n) The 2MASS H magnitude (Note 8)   
  e_Hmag mag Error in Hmag
  Kmag mag (n) The 2MASS K magnitude (Note 8)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_Kmag mag Error in Kmag
  sepH arcsec The SDSS/2MASS separation
  iMAG mag Absolute i magnitude (Note 9)   
  Mph   [0,1] The morphology flag (Note 10)   
  S1   [0,1] The SCIENCEPRIMARY flag (Note 11)   
  mode   [1,3] SDSS mode (blends, overlapping scans) flag (Note 12)   ((unassigned);phys.veloc.orbital;arith.diff)
  tFlagB  Target selection flag (BEST) ((unassigned);phys.veloc.orbital;arith.diff)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  Lz   [0,1] Low-z Quasar (color selection only) target flag (Note 13)   ((unassigned);phys.veloc.orbital;arith.diff)
  Hz   [0,1] High-z Quasar (color selection only) target flag (Note 13)   ((unassigned);phys.veloc.orbital;arith.diff)
  fR   [0,1] FIRST target flag (Note 13)   ((unassigned);phys.veloc.orbital;arith.diff)
  fX   [0,1] ROSAT target flag (Note 13)   ((unassigned);phys.veloc.orbital;arith.diff)
  fS   [0,1] Serendipity target flag (Note 13)   
  f*   [0,1] Star target flag (Note 13)   ((unassigned);phys.veloc.orbital;arith.diff)
  fG   [0,1] Galaxy target flag (Note 13)   ((unassigned);phys.veloc.orbital;arith.diff)
  run  Imaging run number for photometric measurements ((unassigned);phys.veloc.orbital;arith.diff)
  MJD-Im  Modified Julian Date of imaging obs.
  MJD-Sp  Modified Julian Date of spectroscopic obs. ((unassigned);phys.veloc.orbital;arith.diff)
  Pnum  Spectroscopic Plate Number
  Fnum  Spectroscopic Fiber Number ((unassigned);phys.veloc.orbital;arith.diff)
  rerun  SDSS Photometric Processing Rerun Number ((unassigned);phys.veloc.orbital;arith.diff)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  Cam  SDSS Camera Column Number ((unassigned);phys.veloc.orbital;arith.diff)
  Frame  SDSS Frame Number
  Obj  SDSS Object Number ((unassigned);phys.veloc.orbital;arith.diff)
  Ch  SDSS Chunk Number
  tFlagT  Target selection flag (TARGET) ((unassigned);phys.veloc.orbital;arith.diff)
  uPSF mag (n) SDSS (TARGET) u band PSF magnitude (Note 14)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_uPSF mag Error in uPSF ((unassigned);phys.veloc.orbital;arith.diff)
  gPSF mag (n) SDSS (TARGET) g band PSF magnitude (Note 14)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_gPSF mag Error in gPSF ((unassigned);phys.veloc.orbital;arith.diff)
  rPSF mag (n) SDSS (TARGET) r band PSF magnitude (Note 14)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_rPSF mag Error in rPSF ((unassigned);phys.veloc.orbital;arith.diff)
  iPSF mag (n) SDSS (TARGET) i band PSF magnitude (Note 14)   ((unassigned);phys.veloc.orbital;arith.diff)
  e_iPSF mag Error in iPSF
  zPSF mag (n) SDSS (TARGET) z band PSF magnitude (Note 14)   
  e_zPSF mag Error in zPSF
  Prev (char) Object name if previously published (Note 15)   
  2MASS  Display the 2MASS data
  X  Display the X-ray sources closer than 1'
  Radio  Display the radio sources closer than 1'

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