VizieR

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

VizieR

  
J/MNRAS/467/3172
  HI photoionization rate at z<0.5 for 79 QSOs (Gaikwad+, 2017)
ReadMe+ftp
2017MNRAS.467.3172G
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/467/3172/tablea1Fitted parameters from the VIPER line catalogue (1284 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)
  QSO (char) QSO name (meta.id;meta.main)
  lambda 0.1nm Wavelength (em.wl)
  e_lambda 0.1nm rms uncertainty on lambda (stat.error)
  log(NHI) [cm-2] log of HI Column Density (phys.columnDensity)
  e_log(NHI) [cm-2] rms uncertainty on log(NHI) (stat.error)
  b km/s b parameter (in km/s) (stat.param)
  e_b km/s rms uncertainty on b (stat.error)

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usage  Display UCD1+    UCD1  
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