VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

  
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/table1Catalog of SiIV Absorption Line Systems[spectrum] (716 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. (meta.record)
  Pair   [1/358] ID number of a NAL pair (meta.id)
  SDSS (char) SDSS object name (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  Plate  SDSS spectra plate ID (meta.id;instr.plate)
  MJD d SDSS spectra modified Julian Date of observation (time.epoch)
  Fiber  SDSS spectra fiber ID (meta.id)
  zem   [1.75/4.26] Redshift, quasar (src.redshift)
  zabs   [1.73/4.14] Redshift, absorption line system, blue line of the SiIV doublet (src.redshift)
  EW1393 0.1nm [0.05/4] Equivalent width at rest frame, SiIV 1393Å (spect.line.eqWidth)
  e_EW1393 0.1nm [0/0.6] Uncertainty in EW1393 (Note 1)   (stat.error)
  EW1402 0.1nm [0.04/3.8] Equivalent width at rest frame, SiIV 1402Å (spect.line.eqWidth)
  e_EW1402 0.1nm [0/0.7] Uncertainty in EW1402 (Note 1)   (stat.error)
  F1350 10-19W/m2/nm [6/422] Continuum 1350Å flux, rest frame; in 10–17erg/s/cm2/Å units (phot.flux)
  e_F1350 10-19W/m2/nm [0.2/5] Uncertainty in flux1350 (stat.error)
  Vr km/s [-4498/28417] Offset velocity, SiIV absorption line system to quasar redshift (Note G1)   (phys.veloc;arith.diff)
  ID   [1/295] Identification number of the SiIV absorption line system (meta.id)
  Sys  (n) [-2/2] System category (Note 2)   (meta.code)
  SL  (n) [0/17.4] Significance level of the variation (Note 3)   (stat.fit.goodness)
  Sp  Interactive spectrum from SDSS-DR14 (meta.ref.url)
spectrum

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  
elapse time 0