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

  
VII/292
  DESI Legacy Imaging Surveys DR8 photometric redshifts (Duncan, 2022)
ReadMe+ftp
2022MNRAS.512.3662D
Similar Catalogs
Post annotation 		img(gal)
1.VII/292/north(c)Legacy Surveys DR8 North Photometric Redshifts catalog (323 213 867 sources) (323213867 rows)
 
2.VII/292/south(c)Legacy Surveys DR8 South Photometric Redshifts catalog (1 252 523 992 sources) (1252523992 rows)
 
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSort(Table#)Column  Constraint Explain   (UCD)
  (ALL)id  (i) Unique object identifier combining release, brickid and objid (id) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (ALL)RAJ2000 deg (i) Right Ascension (J2000.0) (ra) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (ALL)DEJ2000 deg (i) Declination (J2000.0) (dec) (time.scale;(unassigned);arith.grad;(unassigned);arith)
  (ALL)release  LS DR8 release number - denoting the camera and filter set used (release) ((unassigned);(unassigned);(unassigned);phys.electron.degen;phys.SFR)
  (ALL)brickid  (i) LS DR8 brick number (brickid) (obs.atmos;(unassigned);arith.diff;spect.line.veloc)
  (ALL)objid  (i) LS DR 8 catalogue object number within this brick (objid) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  (ALL)type (char) Optical morphological model: PSF, REX, DEV, EXP or COMP (type) (Note 1)   ((unassigned);(unassigned);(unassigned);pos.angDistance;src.orbital.meanAnomaly)
  (ALL)pstar  (n) Star likelihood based on colours from GMM star-QSO classification (pstar) ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;meta.main)
  (ALL)gmmcomp (char) Best-matching GMM component used to derive photo-z estimate (gmmcomp) ((unassigned);phys.atmol.qn.I;arith.grad;time.obs.end;meta.main)
  (ALL)zphot  Photo-z estimate - mean of the normally distributed photo-z posterior (zphot) ((unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  (ALL)e_zphot  (n) Uncertainty on zphot - standard deviation of the normally distributed photo-z posterior (zphot_err) ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (ALL)fclean  (n) Photometry reliability flag, =1 for sources free of blending or imaging artefacts (flag_clean) ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  (ALL)fqual  Photo-z reliability flag, =1 for sources expected to have well-constrained estimates and 'flag_clean = 1' (flag_qual) ((unassigned);(unassigned);(unassigned);pos.cartesian)

ALL cols		    
(n) indicates a possible blank or NULL column(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=846525305 Where phase=3 and catid=7292
**** 
**** --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=846525305 Where phase=3 and catid=7292
**** 
**** --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/VR3084925.err (2026-10-28T17:55:04)
-3
-source=VII/292
-ref=VIZ6ae236f92f127d
elapse time 1