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/ApJ/894/142
  Column densities from HST/COS SiIV AGN sight lines (Qu+, 2020)
ReadMe+ftp
2020ApJ...894..142Q
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/894/142/table1The column density measurements of the selected SiIV sample (232 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)
  ID (char) Sight line identifier (meta.id;meta.main)
  GLON deg [2.8/358.7] Galactic longitude (pos.galactic.lon)
  GLAT deg [-83.7/82.1] Galactic latitude (pos.galactic.lat)
  S/Ns   [9/153] Signal-to-Noise of strong line continuum (stat.snr)
  S/Nw   [7/158] Signal-to-Noise of weak line continuum (stat.snr)
  Vmin km/s [-500/270] Lower bound of absorption component (phys.absorption;stat.min)
  Vmax km/s [-400/410] Upper bound of absorption component (phys.absorption;stat.max)
  l_logN (char) Upper limit flag on logN (Note 1)   (meta.code.error)
  logN [cm-2] [12.36/14.1] Log total component column density (phys.columnDensity)
  e_logN [cm-2] [0/0.43] Uncertainty in logN (stat.error)
  Vc km/s [-450/339] Component line centroid (spect.dopplerVeloc)
  e_Vc km/s [0.3/20] Uncertainty in Vc (stat.error;pos.cartesian.y)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

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