VizieR

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

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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

  
J/AJ/121/2308
  Sloan Digital Sky Survey quasar photometry (Richards+, 2001)
ReadMe+ftp
2001AJ....121.2308R
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/121/2308/table2SDSS (Sloan Digital Sky Survey) quasar photometry (898 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)
  Name (char) Quasar name (meta.id;meta.main)
  Simbad  ask the SIMBAD data-base about this object (meta.ref)
  z  Redshift (src.redshift)
  RAJ2000 "h:m:s" (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  DelPos arcsec Difference between SDSS and cataloged positions (pos.eq.dec;arith.diff)
  u*mag mag The SDSS u* band photometry (Note 1)   (phot.mag;em.opt.U)
  e_u*mag mag Uncertainty in umag (stat.error)
  g*mag mag The SDSS g* band photometry (Note 1)   (phot.mag;em.opt.B)
  e_g*mag mag Uncertainty in gmag (stat.error)
  r*mag mag The SDSS r* band photometry (Note 1)   (phot.mag;em.opt.R)
  e_r*mag mag Uncertainty in rmag (stat.error)
  i*mag mag The SDSS i* band photometry (Note 1)   (phot.mag;em.opt.I)
  e_i*mag mag Uncertainty in imag (stat.error)
  z*mag mag The SDSS z* band photometry (Note 1)   (phot.mag;em.opt.I)
  e_z*mag mag Uncertainty in zmag (stat.error)
  RedVec mag Reddening vector in E(g* - r*) (Note 2)   (phot.color.excess)
  r_Name (char) Source catalog of each object (Note 3)   (meta.ref)

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