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

  
J/A+A/584/A44
  Photometric classification of QSO from RCS-2 (Carrasco+, 2015)
ReadMe+ftp
2015A&A...584A..44C
Similar Catalogs
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

Simple ConstraintList Of Constraints
 
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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)RAJ2000 deg Right ascension in decimal hours (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
   (ALL)DEJ2000 deg Declination in decimal degrees (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)gmag mag AB magnitude in the g band from RCS-2 ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
   (ALL)e_gmag mag Photometric error in the g band from RCS-2 ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))
   (ALL)rmag mag AB magnitude in the r band from RCS-2 ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
   (ALL)e_rmag mag Photometric error in the r band from RCS-2 ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))
   (ALL)imag mag AB magnitude in the i band from RCS-2 ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
   (ALL)e_imag mag Photometric error in the i band from RCS-2 ((unassigned);phys.veloc.orbital;arith.diff;time.age;stat.probability;(unassigned);(unassigned))
   (ALL)zmag mag AB magnitude in the z band from RCS-2 ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
   (ALL)e_zmag mag Photometric error in the z band from RCS-2 (time.equinox;(unassigned);arith.factor;time.age;stat.probability;(unassigned);(unassigned))

ALL cols		    
 (i)indexed column
  (1+3)DS2   [0/1] Whether the object is classified as a quasar from DS2 (1: true) ((unassigned);stat.error;arith.factor;pos.eq.dec)
  (1+2)DS3   [0/1] Whether the object is classified as a quasar from DS3 (1: true) ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
   (ALL)all (char) Display the data of this source in the 3 catalogs, if exist ((unassigned);stat.error;arith.factor;pos.geocentric)
  (2)NUV mag AB magnitude in the NUV band from GALEX ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (2)e_NUV mag Photometric error in the NUV band from GALEX ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2+3)DS1   [0/1] Whether the object is classified as a quasar from DS1 (1: true) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (3)W1mag mag AB magnitude in the W1 band from WISE ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (3)e_W1mag mag Photometric error in the W1 band from WISE ((unassigned);(unassigned);(unassigned);time.age;stat.probability)
  (3)W2mag mag AB magnitude in the W2 band from WISE ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (3)e_W2mag mag Photometric error in the W2 band from WISE ((unassigned);(unassigned);(unassigned);time.age;stat.probability)

ALL cols		    
 (i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846511808 Where phase=3 and catid=35840044
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846511808 Where phase=3 and catid=35840044
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2137973.err (2026-10-28T14:10:07)
-3
-source=J/A+A/584/A44
-ref=VIZ6ae2023f209f75
elapse time 1