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/ApJS/275/19
  High-z QSOs from DESI DR9 and machine-learning (Ye+, 2024)
ReadMe+ftp
2024ApJS..275...19Y
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/275/19/table11aHigh-z quasar candidate catalog; flux model (568188 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  RAJ2000 deg (i) Right Ascension (J2000) (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  DEJ2000 deg (i) [-68.2/84.8] Declination (J2000) (Note G1)   ((unassigned);obs.atmos;arith.factor;(unassigned);arith)
  gmag mag (n) [22/38] Apparent g-band AB magnitude (Note G1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  rmag mag (n) [18.9/37.2] Apparent r-band AB magnitude (Note G1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  zmag mag [15.4/21.5] Apparent z-band AB magnitude (Note G1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  W1mag mag [10.3/22.7] Apparent W1-band AB magnitude (G1) (Note G2)   (src.density;(unassigned);stat.min;stat.filling;(unassigned);(unassigned))
  W2mag mag [9.7/23] Apparent W2-band AB magnitude (G1) (Note G2)   (src.density;(unassigned);stat.min;stat.filling;(unassigned);(unassigned))
  grzmag mag (n) [17/32] Constructed grz-band magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;src.orbital.inclination;(unassigned);(unassigned))
  Wmag mag [10.1/22.6] Constructed W-band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;src.orbital.inclination;(unassigned);(unassigned))
  gFlux mW/m2/Hz [-39/1.6] g-band flux (Note G1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  rFlux mW/m2/Hz [-41.1/26.4] r-band flux (Note G1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  zFlux mW/m2/Hz [2.5/645] z-band flux (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  W1Flux mW/m2/Hz [0.8/69819] W1-band flux (Note G1)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  W2Flux mW/m2/Hz [0.6/129743] W2-band flux (Note G1)   (src.class.distance;pos.wcs.crval;arith.grad;stat.filling;(unassigned);(unassigned))
  grzFlux mW/m2/Hz [-0.9/141] Constructed grz-band flux ((unassigned);(unassigned);(unassigned);meta.abstract;src.orbital.inclination;(unassigned);(unassigned))
  WFlux mW/m2/Hz [0.9/84800] Constructed W-band flux ((unassigned);(unassigned);(unassigned);meta.abstract;src.orbital.inclination;(unassigned);(unassigned))
  HizProb   [0.16/0.98] Probability for high-z class ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);meta.main)
  zphot   [4.76/6.31] Photometric redshift from regression model ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);meta.main)
  zspec  (n) [5/6.5] Spectroscopic redshift determined from spectrum ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  DR8  Display data from DESI Legacy Imaging DR8 (VII/292) ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)

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=846492800 Where phase=3 and catid=22750019
**** 
**** --POSTGRES MSG db=1
**** 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/VR1003980.err (2026-10-28T08:53:19)
-3
-source=J/ApJS/275/19/table11a
-ref=VIZ6ae1b800f51cc
elapse time 1