Free Access

Table A.1.

N2H+ spectroscopy used in the analysis.

Frequency (GHz) Transition JF1F log I (nm2 MHz) log Aul (s1) Eup (K)
F1=1−1

93.1716157 11, 0−01, 1 -3.7697 -4.44039 4.47
93.1719106 11, 2−01, 1 -3.8803 -4.51336 4.47
93.1719106 11, 2−01, 2 -3.1439 -5.25086 4.47
93.1720477 11, 1−01, 0 -3.5859 -4.73351 4.47
93.1720477 11, 1−01, 1 -4.2155 -4.87021 4.47
93.1720477 11, 1−01, 2 -3.7225 -5.36401 4.47

F1=2−1

93.1734734 12, 2−01, 1 -3.1439 -4.51335 4.47
93.1734734 12, 2−01, 2 -3.8803 -5.25085 4.47
93.1737699 12, 3−01, 2 -2.9246 -4.44038 4.47
93.1739640 12, 1−01, 0 -3.7972 -4.62870 4.47
93.1739640 12, 1−01, 1 -3.4811 -4.94540 4.47
93.1739640 12, 1−01, 2 -4.6978 -5.84540 4.47

F1=0−1

93.1762595 10, 1−01, 0 -4.0417 -4.67019 4.47
93.1762595 10, 1−01, 1 -3.9256 -5.07359 4.47
93.1762595 10, 1−01, 2 -3.5224 -5.18909 4.47

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.