VizieR

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VizieR

  
J/ApJS/257/39
  NH3 isotope ratios of Galactic disk sources (Chen+, 2021)
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2021ApJS..257...39C
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Post annotation 		img(gal)
1.J/ApJS/257/39/table5Total 14NH3 and 15NH3 column densities with and without opacity corrections and their ratios (23 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) (i) Object identifier (meta.id;meta.main)
  Tel (char) Telescope identifier (meta.id;instr.tel)
  Nt14NH3 cm-2 (n) [2.3e+14/1.2e+16] 14NH3 column density without opacity corrections (phys.columnDensity)
  Nt15NH3 cm-2 [4.2e+12/3.2e+14] 15NH3 column density without opacity corrections (phys.columnDensity)
  Ntc14NH3 cm-2 (n) [2.5e+14/3.1e+16] 14NH3 column density accounting for opacity effect (phys.columnDensity)
  Ntc15NH3 cm-2 [4.6e+12/6e+14] 15NH3 column density accounting for opacity effect (Note 1)   (phys.columnDensity)
  Ratio   [8/321] Ratio of the column densities, 14NH3/15NH3, neglecting opacity corrections (phys.columnDensity;arith.ratio)
  e_Ratio   [5/171] Ratio uncertainty (stat.error;arith.ratio)
  Ratioc   [13/603] Opacity-corrected values of 14NH3/15NH3 (phys.columnDensity;arith.ratio)
  e_Ratioc   [6/213] Ratioc uncertainty (stat.error)
  Dist kpc (n) [0.21/8.4] Heliocentric distance from the parallax-based distance calculator (pos.distance)
  e_Dist kpc (n) [0.11/1.3] Dist uncertainty (stat.error)
  Rgc kpc (n) [0.31/10.3] Galactocentric distance from the heliocentric distance (pos.distance;pos.galactocentric)
  e_Rgc kpc (n) [0.11/2] Rgc uncertainty (stat.error)
  Class (char) Source classification (Note 2)   (meta.code.class)
  r_Class (char) References for the classification from the literature (Note 3)   (meta.ref;pos.frame)
  Notes (char) Notes (Note 4)   (meta.note)

ALL cols		    
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