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J/ApJS/243/2
  SiIV and NV absorption line SDSS quasar systems (Chen+, 2019)
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2019ApJS..243....2C
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1.J/ApJS/243/2/table2Catalog of NV Absorption Line Systems (584 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)
  Pair   [1/292] Identification number of a NAL pair ((unassigned);phys.mol.dipole.electric;arith.diff;spect.line.veloc)
  SDSS (char) SDSS object name (HHMMSS.ss+DDMMSS.s; J2000) ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  Plate  SDSS spectra plate ID ((unassigned);meta.version;arith.diff;spect.line.veloc;phys.atmol.qn.F)
  MJD d SDSS spectra modified Julian Date of observation ((unassigned);meta.version;arith.diff;pos.centroid;meta.main)
  Fiber  SDSS spectra fiber ID ((unassigned);meta.version;arith.diff;spect.line.veloc)
  zem   [1.95/4.45] Redshift, quasar ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  zabs   [1.90/4.37] Redshift, absorption line system, blue line of the NV doublet ((unassigned);meta.version;arith.diff;pos.parallax;meta.main)
  EW1238 0.1nm [0.1/3.3] Equivalent width at rest frame, NV1238Å ((unassigned);meta.version;arith.diff;phys.at.moment.magnetic;meta.main)
  e_EW1238 0.1nm [0.02/0.5] Uncertainty in EW1238 (Note 1)   ((unassigned);meta.version;arith.diff;time.age;meta.main)
  EW1242 0.1nm [0.09/3.3] Equivalent width at rest frame, NV1242Å ((unassigned);meta.version;arith.diff;phys.at.moment.magnetic;meta.main)
  e_EW1242 0.1nm [0.01/0.5] Uncertainty in EW1242 (Note 1)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  F1350 10-19W/m2/nm [2.5/291] Continuum flux, rest frame, 1350Å; in 10–17erg/s/cm2/Å units ((unassigned);meta.version;arith.diff;meta.abstract)
  e_F1350 10-19W/m2/nm [0.2/3] Uncertainty in flux1350 ((unassigned);meta.version;arith.diff;time.age;meta.main)
  Vr km/s [-4382/5445] Offset velocity, NV absorption line system to quasar redshift (Note G1)   ((unassigned);meta.version;arith.diff;spect.index;instr.bandpass)
  ID   [1/257] Identification number of the NV absorption line system ((unassigned);meta.version;arith.diff;spect.line.veloc)
  Sys  (n) [-1/1] System category (Note 2)   ((unassigned);meta.version;arith.diff;pos.eq.dec)
  SL  (n) [0/13.1] Significance level of the variation (Note 3)   ((unassigned);meta.version;arith.diff;phys.polarization.circular;meta.main)
  Sp  Interactive spectrum from SDSS-DR14 ((unassigned);meta.version;arith.diff;pos.geocentric)
spectrum

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The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846439674 Where phase=3 and catid=22430002
**** 
**** --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/VR129131.err (2026-10-27T18:07:51)
-3
-source=J/ApJS/243/2/table2
-ref=VIZ6ae0e87a1f86b
elapse time 4