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

  
J/ApJS/243/2
  SiIV and NV absorption line SDSS quasar systems (Chen+, 2019)
ReadMe+ftp
2019ApJS..243....2C
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJS/243/2/qsos(c)List of SDSS quasars from Tables 1 and 2; table added by CDS (322 rows)
2.J/ApJS/243/2/table1Catalog of SiIV Absorption Line Systems[spectrum] (716 rows)
3.J/ApJS/243/2/table2Catalog of NV Absorption Line Systems (584 rows)

Simple ConstraintList Of Constraints
 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);meta.version;arith.diff;phys.veloc)
   (ALL)SDSS (char) (i) SDSS object name (HHMMSS.ss+DDMMSS.s; J2000) ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
   (ALL)zem   [1.7/4.5] Quasar redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (1)SiIV  (n)Display the SiIV data for this SDSS (link to Table1) ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)NV  (n)Display the NV data for this SDSS (link to Table2) ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)CIV (char) Display CIV data from Chen+, 2018, J/ApJS/239/23 ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)Simbad (char) ask the Simbad data-base about this object ((unassigned);meta.version;arith.diff;pos.geocentric)
  (1)NED (char) ask the NED data-base about this object ((unassigned);meta.version;arith.diff;pos.geocentric)
  (1)_RA deg Positions from SDSS names (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)_DE deg Positions from SDSS names (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (2+3)Pair   [1/358] ID number of a NAL pair ((unassigned);(unassigned);(unassigned);spect.line.veloc)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3)Plate  SDSS spectra plate ID ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.atmol.qn.F)
  (2+3)MJD d SDSS spectra modified Julian Date of observation ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  (2+3)Fiber  SDSS spectra fiber ID ((unassigned);stat.error;arith.factor;spect.line.veloc)
  (2+3)zabs   [1.73/4.14] Redshift, absorption line system, blue line of the SiIV doublet ((unassigned);meta.version;arith.diff;pos.parallax;meta.main)
  (2)EW1393 0.1nm [0.05/4] Equivalent width at rest frame, SiIV 1393Å ((unassigned);meta.version;arith.diff;phys.at.moment.magnetic;meta.main)
  (2)e_EW1393 0.1nm [0/0.6] Uncertainty in EW1393 (Note 1)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)EW1402 0.1nm [0.04/3.8] Equivalent width at rest frame, SiIV 1402Å ((unassigned);meta.version;arith.diff;phys.at.moment.magnetic;meta.main)
  (2)e_EW1402 0.1nm [0/0.7] Uncertainty in EW1402 (Note 1)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2+3)F1350 10-19W/m2/nm [6/422] Continuum 1350Å flux, rest frame; in 10–17erg/s/cm2/Å units ((unassigned);meta.version;arith.diff;meta.abstract)
  (2+3)e_F1350 10-19W/m2/nm [0.2/5] Uncertainty in flux1350 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2+3)Vr km/s [-4498/28417] Offset velocity, SiIV absorption line system to quasar redshift (Note G1)   ((unassigned);meta.version;arith.diff;spect.index;instr.bandpass)
  (2+3)ID   [1/295] Identification number of the SiIV absorption line system ((unassigned);phys.atmol.qn.J;arith.grad;spect.line.veloc)
  (2+3)Sys  (n) [-2/2] System category (Note 2)   ((unassigned);meta.version;arith.diff;pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3)SL  (n) [0/17.4] Significance level of the variation (Note 3)   ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)
  (2+3)Sp (char) Interactive spectrum from SDSS-DR14 ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (3)EW1238 0.1nm [0.1/3.3] Equivalent width at rest frame, NV1238Å ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (3)e_EW1238 0.1nm [0.02/0.5] Uncertainty in EW1238 (Note 1)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (3)EW1242 0.1nm [0.09/3.3] Equivalent width at rest frame, NV1242Å ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (3)e_EW1242 0.1nm [0.01/0.5] Uncertainty in EW1242 (Note 1)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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