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J/ApJS/257/39
-1
NH3 isotope ratios of Galactic disk sources (Chen+, 2021)
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2021ApJS..257...39C
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1.
J/ApJS/257/39/table5
Total
14
NH
3
and
15
NH
3
column densities with and without opacity corrections and their ratios
(23 rows)
meta
J/ApJS/257/39/table5
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Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
ID
(char)
(i)
Object identifier
(
meta.id;meta.main
)
(
ID_MAIN
)
Tel
(char)
Telescope identifier
(
meta.id;instr.tel
)
(
TEL_ID
)
Nt14NH3
cm-2
(n)
[2.3e+14/1.2e+16]
14
NH
3
column density without opacity corrections
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
Nt15NH3
cm-2
[4.2e+12/3.2e+14]
15
NH
3
column density without opacity corrections
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
Ntc14NH3
cm-2
(n)
[2.5e+14/3.1e+16]
14
NH
3
column density accounting for opacity effect
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
Ntc15NH3
cm-2
[4.6e+12/6e+14]
15
NH
3
column density accounting for opacity effect
(Note 1)
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
Ratio
[8/321] Ratio of the column densities,
14
NH
3
/
15
NH
3
, neglecting opacity corrections
(
phys.columnDensity;arith.ratio
)
(
FIT_RATIO
)
e_Ratio
[5/171] Ratio uncertainty
(
stat.error;arith.ratio
)
(
ERROR
)
Ratioc
[13/603] Opacity-corrected values of
14
NH
3
/
15
NH
3
(
phys.columnDensity;arith.ratio
)
(
FIT_RATIO
)
e_Ratioc
[6/213] Ratioc uncertainty
(
stat.error
)
(
ERROR
)
Dist
kpc
(n)
[0.21/8.4] Heliocentric distance from the parallax-based distance calculator
(
pos.distance
)
(
POS_GAL_HC
)
e_Dist
kpc
(n)
[0.11/1.3] Dist uncertainty
(
stat.error
)
(
ERROR
)
Rgc
kpc
(n)
[0.31/10.3] Galactocentric distance from the heliocentric distance
(
pos.distance;pos.galactocentric
)
(
POS_GAL_GC
)
e_Rgc
kpc
(n)
[0.11/2] Rgc uncertainty
(
stat.error
)
(
ERROR
)
Class
(char)
Source classification
(Note 2)
(
meta.code.class
)
(
CLASS_CODE
)
r_Class
(char)
References for the classification from the literature
(Note 3)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
Notes
(char)
Notes
(Note 4)
(
meta.note
)
(
NOTE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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