VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN 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/904/44
  Evolution of CIV absorbers. I. Absorber properties (Hasan+, 2020)
ReadMe+ftp
2020ApJ...904...44H
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/904/44/table1(c)List of QSO spectra (369 rows)
2.J/ApJ/904/44/table2Data of CIV absorber properties (1268 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)QSO (char) (i) Quasar name in J2000 format (Note 1)   (meta.id;meta.main)
   (ALL)z   [1.16/5.3] Quasar emission redshift (src.redshift)
  (1)Inst (char) Quasar spectrum observation facility (meta.id;instr)
  (1)wmin 0.1nm [2636/7648] Minimum wavelength CIV search space (Note 2)   (em.wl)
  (1)wmax 0.1nm [3302/9578] Maximum wavelength CIV search space (Note 3)   (em.wl)
  (1)Nprop  (n)Number of absorber properties (table2) (meta.number)
  (1)_RA deg (i) Position from QSO identifier (right ascension part) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Position from QSO identifier (declination part) (pos.eq.dec;meta.main)
  (2)W1548 0.1nm [0.05/4.23] CIV 1548 rest-frame equivalent width (spect.line.eqWidth)
  (2)e_W1548 0.1nm [0.001/0.2] Uncertainty in W1548 (stat.error)
  (2)l_Naod (char) Upper limit flag for Naod (meta.code.error)
  (2)Naod [cm-2] [13.1/15.5] log10 Apparent Optical Depth (AOD) column density, atoms/cm2 (phys.absorption.opticalDepth)
  (2)E_Naod [cm-2] (n) [0/0.1] Upward uncertainty in Naod (Note 1)   (stat.error;stat.max)
  (2)e_Naod [cm-2] (n) [0.01/0.2] Downward uncertainty in Naod (stat.error)

ALL cols		    
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