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/ApJ/871/35
  HST/COS spectra of QSOs with SiIV data (Zheng+, 2019) Query spectra/fits /fits
spectrum/fits
Post annotation
img(gal)
1.J/ApJ/871/35/table1Si IV data sample[spectrum/fits] (132 rows)

 
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)
  Seq   [1/132] Running sequence number (meta.id)
  ID (char) HSLA-V1 identifier (Note 1)   (meta.id;meta.file)
  z  (n) [0.002/3] SIMBAD redshift (src.redshift)
  SNRSiIV   [12.5/154.2] S/N per resolution element for the absorption-free region between 1394Å and 1401Å (Note 2)   (stat.snr)
  Q   [-1/1] Quality flag (Note 3)   (meta.code.qual)
  logN1393   [13.2/14.3] Log of apparent column density for SiIV 1393Å integrated from -100 to 100km/s (phys.columnDensity)
  e_logN1393   [0.002/0.07] logN1393 uncertainty (stat.error)
  N1393 cm-2 Apparent column density for SiIV 1393Å integrated from -100 to 100km/s (phys.columnDensity)
  e_N1393 cm-2 N1393 uncertainty (stat.error)
  V1393 km/s [-51.4/40.1] Centroid velocity for SiIV 1393Å integrated from -100 to 100km/s (spect.dopplerVeloc)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  e_V1393 km/s (n) [0.3/9] V1393 uncertainty (stat.error)
  logN1402   [13.2/14.1] Log of apparent column density for SiIV 1402Å integrated from -100 to 100km/s (phys.columnDensity)
  e_logN1402   [0.003/0.2] logN1402 uncertainty (stat.error)
  N1402 cm-2 Apparent column density for SiIV 1402Å integrated from -100 to 100km/s (phys.columnDensity)
  e_N1402 cm-2 N1402 uncertainty (stat.error)
  V1402 km/s [-50.5/42.7] Centroid velocity for SiIV 1402Å integrated from -100 to 100km/s (spect.dopplerVeloc)
  e_V1402 km/s (n) [0.5/17] V1402 uncertainty (stat.error)
  OName (char) SIMBAD name (meta.id;meta.main)
  _RA deg (i) Positions from SIMBAD (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SIMBAD (declination part) (pos.eq.dec;meta.main)
  Grism1 (char) Grism(s) used for the HST/COS spectrum; column added by CDS (meta.id;obs)
spectrum/fits
  Grism2 (char) Grism used for the second HST/COS spectrum if any; column added by CDS (meta.id;obs)
spectrum/fits
  Img  Preview of the spectrum (stacked) (meta.ref.url)

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