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/MNRAS/309/48
  QSOs redshifts and spectra in ESO/SERC field 927 (Clowes+ 1999)
ReadMe+ftp
1999MNRAS.309...48C
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/309/48/table2Observations of the confirmed QSO candidates (63 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);meta.version;arith.diff;phys.veloc)
  RA50 "h:m:s" Right ascension (B1950.0) ((unassigned);meta.version;arith.diff;(unassigned))
  DE50 "d:m:s" Declination (B1950.0) ((unassigned);meta.version;arith.diff;(unassigned))
  RAJ2000 "h:m:s" Right ascension (J2000.0) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 "d:m:s" Declination (J2000.0) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  Obs1 "Y:M:D" (n)Observation date ((unassigned);meta.query;stat.min;pos.centroid;stat.param)
  Obs2 d Last day of observation ((unassigned);meta.version;arith.diff;pos.centroid;stat.param)
  Tint s Integration time ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  LSP  (n) Automated Quasar Detection (AQD) Line-Strength Parameter value ((unassigned);meta.version;arith.diff;phys.atmol.qn.I;meta.main)
  n_LSP (char) [SW] 'S' for strong-lined (high LSP) 'W' for weak-lined (low LSP) ((unassigned);meta.version;arith.diff;phys.veloc.orbital)
  Bmag mag (n) BJ magnitude ((unassigned);meta.version;arith.diff;stat.filling;(unassigned);(unassigned))
  z  (n) Redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  u_z (char) [?] Uncertainty flag on z (meta.id.assoc;em.line.CO;arith.factor;pos.galactic.lon;pos.parallax;meta.main)
  l_EW (char) Limit flag in EW ((unassigned);pos.galactic.lon;arith.factor;pos.galactic.lon;phys.at.moment.magnetic;meta.main)
  EW 0.1nm (n) Equivalent width ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  Line  (n) Identity of the strongest emission line (Note 1)   ((unassigned);meta.version;arith.diff;spect.line.veloc;phys.angArea;meta.main)
  Com (char) Comment (Keable 1987 refers to Keable-s PhD thesis, Univ. Edinburgh) ((unassigned);meta.version;arith.diff;phys.veloc.orbital)
  Simbad  ask the Simbad data-base about this object ((unassigned);meta.version;arith.diff;phys.veloc.dispersion)

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=846457275 Where phase=3 and catid=73090048
**** 
**** --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/VR504121.err (2026-10-27T23:01:14)
-3
-source=J/MNRAS/309/48
-ref=VIZ6ae12d3a7b139
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