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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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  ID (char) (i) Object identifier ((unassigned);instr.det.noise;stat.min;spect.line.veloc;arith)
  Tel (char) Telescope identifier ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;phys.mol.quadrupole.magnetic)
  Nt14NH3 cm-2 (n) [2.3e+14/1.2e+16] 14NH3 column density without opacity corrections ((unassigned);(unassigned);(unassigned);(unassigned))
  Nt15NH3 cm-2 [4.2e+12/3.2e+14] 15NH3 column density without opacity corrections ((unassigned);(unassigned);(unassigned);(unassigned))
  Ntc14NH3 cm-2 (n) [2.5e+14/3.1e+16] 14NH3 column density accounting for opacity effect ((unassigned);(unassigned);(unassigned);(unassigned))
  Ntc15NH3 cm-2 [4.6e+12/6e+14] 15NH3 column density accounting for opacity effect (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  Ratio   [8/321] Ratio of the column densities, 14NH3/15NH3, neglecting opacity corrections ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);instr.offset)
  e_Ratio   [5/171] Ratio uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;instr.param)
  Ratioc   [13/603] Opacity-corrected values of 14NH3/15NH3 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);instr.offset)
  e_Ratioc   [6/213] Ratioc uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Dist kpc (n) [0.21/8.4] Heliocentric distance from the parallax-based distance calculator ((unassigned);phys.veloc.orbital;arith.diff;em.UV.10-50nm)
  e_Dist kpc (n) [0.11/1.3] Dist uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Rgc kpc (n) [0.31/10.3] Galactocentric distance from the heliocentric distance (XXXXXXX)
  e_Rgc kpc (n) [0.11/2] Rgc uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Class (char) Source classification (Note 2)   ((unassigned);(unassigned);(unassigned);pos.galactic)
  r_Class (char) References for the classification from the literature (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)
  Notes (char) Notes (Note 4)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846516340 Where phase=3 and catid=22570039
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****error getting UCD 1118117426102272 1016
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2498666.err (2026-10-28T15:25:39)
-3
-source=J/ApJS/257/39/table5
-ref=VIZ6ae213f426206a
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