VizieR

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CDS

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/260
  The SDSS-DR7 quasar catalog (Schneider+, 2010)
ReadMe+ftp
2010AJ....139.2360S
Similar Catalogs
Post annotation 		img(gal)
1.VII/260/table5Quasars lacking CAS (Catalog Archive Server) photometry (207 rows)

Simple ConstraintList Of Constraints
 
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)
  SDSS (char) SDSS DR7 object designation (Note 1)   (meta.id;meta.main)
  z  Redshift (src.redshift)
  umag mag (n) SDSS u band PSF magnitude (Note 2)   (phot.mag;em.opt.U)
  e_umag mag (n) Error in umag (stat.error;phot.mag;em.opt.U)
  gmag mag (n) SDSS g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
  e_gmag mag (n) Error in gmag (stat.error;phot.mag;em.opt.B)
  rmag mag (n) SDSS r band PSF magnitude (Note 2)   (phot.mag;em.opt.R)
  e_rmag mag (n) Error in rmag (stat.error;phot.mag;em.opt.R)
  imag mag (n) SDSS i band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
  e_imag mag (n) Error in imag (stat.error;phot.mag;em.opt.I)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  zmag mag (n) SDSS z band PSF magnitude (Note 2)   (phot.mag;em.opt.I)
  e_zmag mag (n) Error in zmag (stat.error;phot.mag;em.opt.I)
  Au mag Galactic extinction in u filter (phys.absorption)
  Mph   [0/1] Morphology; 0=star and 1=galaxy (src.class.starGalaxy)
  fPT  Primary Target Flag (meta.code)
  run  Photometric run number (meta.id)
  rerun  SDSS Photometric Processing Rerun number (meta.id)
  Cam  SDSS Camera Column Number (meta.id;instr)
  Field  Field identification (meta.id;obs.field)
  obj  Object identification (meta.id)
  MJD-sp d Modified Julian Date of spectroscopy (time.epoch)
  Plate  Spectroscopic Plate Number (meta.id;instr.plate)
  Fiber  Spectroscopic Fiber Number (meta.id)
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
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usage  Display UCD1+    UCD1  
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