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/596/768
  Optical depths in 19 QSOs (Schaye+, 2003)
ReadMe+ftp
2003ApJ...596..768S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/596/768/table1(c)Observed quasars (19 rows)
2.J/ApJ/596/768/table4Recovered CIV optical depths (456 rows)
3.J/ApJ/596/768/table5Observed effective optical depth (42 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. ((unassigned);meta.version;arith.diff)
   (ALL)Name (char) (i) QSO name ((unassigned);meta.version;arith.diff)
  (1)zem  Emission redshift ((unassigned);meta.version;arith.diff)
  (1+3)zmin  Minimum absorption redshift
  (1+3)zmed  Median absorption redshift
  (1+3)zmax  Maximum absorption redshift
  (1)Lambdamin 0.1nm Minimum wavelength ((unassigned);meta.version;arith.diff)
  (1)Inst (char) Instrument (UVER or HIRES)
  (1)Ref (char) References (Note 1)   
  (1)SimbadName (char) Designation understandable by the Simbad data-base
  (1)NED (char) ask the NED data-base about this object

ALL cols		    
 (i)indexed column
  (1)_RA deg Computed Right Ascension for Equinox: J2000 ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)_DE deg Computed Declination for Equinox: J2000 ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (2)logtauHI [---] Recovered HI (1216) optical depth (Note 1)   (time.equinox;(unassigned);arith.factor)
  (2)logtauCIV-0.5 [---] (n) 30.85th percentile of the recovered CIV (1548) optical depth (phot.color;(unassigned);arith.diff)
  (2)n_logtauCIV-0.5 (char) [-] Note (Note 2)   
  (2)e_logtauCIV-0.5 [---] (n) 1{sigma} error in logtauCIV,-0.5
  (2)logtauCIV [---] (n) 50th percentile of the recovered CIV (1548) optical depth
  (2)n_logtauCIV (char) [-] Note (Note 2)   
  (2)e_logtauCIV [---] (n) 1{sigma} error in logtauCIV
  (2)logtauCIV+0.5 [---] (n) 69.15th percentile of the recovered CIV (1548) optical depth
  (2)n_logtauCIV+0.5 (char) [-] Note (Note 2)   
  (2)e_logtauCIV+0.5 [---] (n) 1{sigma} error in logtauCIV,+0.5
  (2)logtauCIV+1.0 [---] (n) 84.13th percentile of the recovered CIV (1548) optical depth

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)n_logtauCIV+1.0 (char) [-] Note (Note 2)   
  (2)e_logtauCIV+1.0 [---] (n) 1{sigma} error in logtauCIV,+1.0
  (2)logtauCIV+1.5 [---] (n) 93.32th percentile of the recovered CIV (1548) optical depth
  (2)n_logtauCIV+1.5 (char) [-] Note (Note 2)   ((unassigned);meta.version;arith.diff)
  (2)e_logtauCIV+1.5 [---] (n) 1{sigma} error in logtauCIV,+1.5
  (2)logtauCIV+2.0 [---] (n) 97.73th percentile of the recovered CIV (1548) optical depth ((unassigned);meta.version;arith.diff)
  (2)n_logtauCIV+2.0 (char) [-] Note (Note 2)   ((unassigned);meta.version;arith.diff)
  (2)e_logtauCIV+2.0 [---] (n) 1{sigma} error in logtauCIV,+2.0
  (3)zmedA  Median absorption redshift, all pixels
  (3)zminA  Minimum absorption redshift value, all pixels
  (3)zmaxA  Maximum absorption redshift value, all pixels
  (3)taueffA  Effective optical depth, all pixels (Note 1)   
  (3)e_taueffA  rms uncertainty on taueffA
  (3)taueff  Effective optical depth, after removal of contamination (Note 1)   
  (3)e_taueff  rms uncertainty on taueff

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