VizieR

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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

  
J/A+A/584/A44
  Photometric classification of QSO from RCS-2 (Carrasco+, 2015)
Post annotation
img(gal)
1.J/A+A/584/A44/table1(c)Quasar candidates from DS1 (21501 rows)
2.J/A+A/584/A44/table2(c)Quasar candidates from DS2 (6529 rows)
3.J/A+A/584/A44/table3(c)Quasar candidates from DS3 (21834 rows)
Help Xmatch is

 
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)
   (ALL)RAJ2000 deg (i) Right ascension in decimal hours (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
   (ALL)gmag mag AB magnitude in the g band from RCS-2 (phot.mag;em.opt.B)
   (ALL)e_gmag mag Photometric error in the g band from RCS-2 (stat.error;phot.mag;em.opt.B)
   (ALL)rmag mag AB magnitude in the r band from RCS-2 (phot.mag;em.opt.R)
   (ALL)e_rmag mag Photometric error in the r band from RCS-2 (stat.error;phot.mag;em.opt.R)
   (ALL)imag mag AB magnitude in the i band from RCS-2 (phot.mag;em.opt.I)
   (ALL)e_imag mag Photometric error in the i band from RCS-2 (stat.error;phot.mag;em.opt.I)
   (ALL)zmag mag AB magnitude in the z band from RCS-2 (phot.mag;em.opt.I)
   (ALL)e_zmag mag Photometric error in the z band from RCS-2 (stat.error;phot.mag;em.opt.I)

ALL cols
    
 (i)indexed column
  (1+3)DS2   [0/1] Whether the object is classified as a quasar from DS2 (1: true) (meta.code)
  (1+2)DS3   [0/1] Whether the object is classified as a quasar from DS3 (1: true) (meta.code)
   (ALL)all (char) Display the data of this source in the 3 catalogs, if exist (meta.ref.url)
  (2)NUV mag AB magnitude in the NUV band from GALEX (phot.mag;em.UV)
  (2)e_NUV mag Photometric error in the NUV band from GALEX (stat.error)
  (2+3)DS1   [0/1] Whether the object is classified as a quasar from DS1 (1: true) (meta.code)
  (3)W1mag mag AB magnitude in the W1 band from WISE (phot.mag;em.IR.3-4um)
  (3)e_W1mag mag Photometric error in the W1 band from WISE (stat.error;phot.mag)
  (3)W2mag mag AB magnitude in the W2 band from WISE (phot.mag;em.IR.4-8um)
  (3)e_W2mag mag Photometric error in the W2 band from WISE (stat.error;phot.mag)

ALL cols
    
 (i)indexed column
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