VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/AJ/123/567
  SDSS quasar catalog, I: Early Data Release (Schneider+, 2002) This catalogue is obsoleted by J/AJ/126/2579
Post annotation
img(gal)
1.J/AJ/123/567/table1(c)SDSS spectroscopic plate information (92 rows)
2.J/AJ/123/567/table3(c)The SDSS Quasar Catalog I (3814 rows)
3.J/AJ/123/567/table5Discrepant redshifts (20 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+2)Plate  (i) Plate number (obs.field)
  (1)RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  (1)N  Number of quasars in the catalog contained on this plate (meta.number)
  (1)QSOs (char) Display the list of QSOs found on this plate (meta.ref.url)
  (2)f5 (char) [*] Discrepant redshift (see table5) (meta.code)
   (2+3)SDSS (char) (i) Object name, hhmmss.ss+ddmmss.s (Note 1)   (meta.id;meta.main)
  (2)RArad "h:m:s" (i) Right Ascension (J2000) (in 10–7 radians) (pos.eq.ra;meta.main)
  (2)DErad "d:m:s" (i) Declination (J2000) (in 10–7 radians) (pos.eq.dec;meta.main)
  (2)z  Redshift (src.redshift)

ALL cols
    
 (i)indexed column
  (2)r_SDSS  Source of object (Note 2)   (meta.ref;pos.frame)
  (2)u*mag mag The u* band magnitude (Note 7)   (phot.mag;em.opt.U)
  (2)e_u*mag mag The error in u*mag (stat.error;phot.mag;em.opt.U)
  (2)g*mag mag The g* band magnitude (Note 7)   (phot.mag;em.opt.B)
  (2)e_g*mag mag The error in g*mag (stat.error;phot.mag)
  (2)r*mag mag The r* band magnitude (Note 7)   (phot.mag;em.opt.R)
  (2)e_r*mag mag The error in r*mag (stat.error;phot.mag)
  (2)i*mag mag The i* band magnitude (Note 7)   (phot.mag;em.opt.I)
  (2)e_i*mag mag The error in i*mag (stat.error;phot.mag)
  (2)z*mag mag The z* band magnitude (Note 7)   (phot.mag;em.opt.I)
  (2)e_z*mag mag The error in z*mag (stat.error;phot.mag)
  (2)uAbs mag Galactic absorption in u band (phys.absorption.gal)
  (2)PFlux mJy (n) FIRST peak flux density at 20cm (1.4GHz) (phot.flux.density;em.radio.750-1500MHz)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)logCR [ct/s] (n) Log of ROSAT full band count rate (phot.count;em.X-ray)
  (2)i*Mag mag Absolute i* band magnitude (Note 3)   (phys.magAbs)
  (2)Morph   [0,1] Morphologically extended flag (Note 4)   (meta.code)
  (2)QFlag   [0,1] Quasar target flag (Note 6)   (meta.code)
  (2)FFlag   [0,1] FIRST target flag (Note 6)   (meta.code)
  (2)RFlag   [0,1] ROSAT target flag (Note 6)   (meta.code)
  (2)SFlag   [0,1] Serendipity target flag (Note 6)   (meta.code)
  (2)StFlag   [0,1] Star target flag (Note 6)   (meta.code)
  (2)GFlag   [0,1] Galaxy target flag (Note 6)   (meta.code)
  (2)SNum  SDSS Imaging Run Number for photometric measurements (obs.image)
  (2)ObsDate Y:M:D Modified Julian Date (MJD=JD-2400000.5) of spectroscopic observation (time.epoch;obs)
  (2)Fiber  Spectroscopic Fiber Number (meta.id)
  (2)OName (char) Object Name if not discovered by SDSS (meta.id)
  (3)zSDSS  SDSS redshift (src.redshift.phot)
  (3)Dz  (n) NED-SDSS redshift (src.redshift;arith.diff)
  (3)Name (char) NED Object Name (meta.id)
  (3)NED (char) ask the NED data-base about this object

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