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/ApJ/923/223
  VLT/X-SHOOTER & Keck/ESI spectra of z~5 QSOs (Zhu+, 2021)
ReadMe+ftp
2021ApJ...923..223Z
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/923/223/table1QSO spectra used in this work (55 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);(unassigned);(unassigned);phys.veloc)
  Seq   [1/55] Runing sequence number ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  QSO (char) (i) QSO designation ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  zem   [5.5/6.6] QSO redshift ((unassigned);em.IR.15-30um;arith.factor;pos.parallax;meta.main)
  r_zem (char) zem reference (Note 1)   (spect.index;obs.field;arith.factor;phys.veloc.dispersion;€?**ucdid=0**?)
  Source (char) Source of the spectrum used for dark gap statistics (Note 2)   ((unassigned);(unassigned);arith.factor;phys.veloc.orbital)
  Inst (char) Instrument ("X-Shooter" or "ESI") ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;meta.code.qual)
  S/N   [21/224] Continuum signal-to-noise ratio (Note 3)   (time.equinox;em.wl.effective;stat.min;meta.abstract;(unassigned);meta.main)
  B19  (n)Display data from Becker+ 2019, J/ApJ/883/163 (pos.cylindrical;stat.Fourier.amplitude;(unassigned);pos.geocentric)
  Ndg  (n)Number of dark gaps for this QSO (link to Table 2) ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (time.equinox;(unassigned);arith.factor;spect.line.veloc)
  _RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  _DE deg Declination (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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=846455048 Where phase=3 and catid=19230223
**** 
**** --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/VR450102.err (2026-10-27T22:24:08)
-3
-source=J/ApJ/923/223/table1
-ref=VIZ6ae124886de36
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