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J/AJ/170/74
-1
N2H+ & CCS abundances in HII star forming regions (Chen+, 2025)
ReadMe+ftp
2025AJ....170...74C
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1.
J/AJ/170/74/table5
Derived Parameters of CCS and N2H+ in HMSCs and HMPOs
(33 rows)
meta
J/AJ/170/74/table5
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(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Stage
(char)
Evolutionary State
(Note 1)
(
phys.atmol.ionStage
)
(
AT_ION_STAGE
)
Name
(char)
Object name
(
meta.id;meta.main
)
(
ID_MAIN
)
tau-N2H+
(n)
[0.1/5.0] Optical depth, {tau}, N2H+
(
phys.absorption.opticalDepth
)
(
PHYS_OPTICAL-DEPTH
)
e_tau-N2H+
(n)
[0.01/2.0] Uncertainty in tau-N2H+
(
stat.error;phys.absorption.opticalDepth
)
(
ERROR
)
Tex-N2H+
K
(n)
[3.0/44.1] Excitation temperature, N2H+
(
phys.atmol.excitation
)
(
PHYS_TEMP_EXCIT
)
e_Tex-N2H+
K
(n)
[0.05/4.0] Uncertainty in Tex-N2H
(
stat.error
)
(
ERROR
)
N-N2H+
10+13cm-2
(n)
[0.24/3.61] Column density, N2H+
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
e_N-N2H+
10+13cm-2
(n)
[0.05/2.27] Uncertainty in N-N2H+
(
stat.error;phys.columnDensity
)
(
ERROR
)
N-CCS
10+11cm-2
(n)
[0.51/18.83] Column density, CCS
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
e_N-CCS
10+11cm-2
(n)
[0.25/4.96] Uncertainty in N-CCS
(
stat.error;phys.columnDensity
)
(
ERROR
)
NRatio
(n)
[3.35/242.98] Column density Ratio, N(N2H+)/N(CCS)
(
phys.density;arith.ratio
)
(
PHYS_DENSITY_RATIO
)
e_NRatio
(n)
[1.41/161.78] Uncertainty in NRatio
(
stat.error;phys.density;arith.ratio
)
(
ERROR
)
Ref
(char)
References for measurements
(
meta.ref
)
(
REFER_CODE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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UCD1+
UCD1
http://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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