Open Access

Table B.2

Radiative transition data for transitions between sub-levels of atomic hydrogen, taken from the NIST database (Kramida et al. 2019) except for two-photon Einstein coefficient (transition 9).

idx i j Êij (K) Âij (s−1)
1 6 4 21 916.79964698 4.2097(+06)
2 7 4 21 916.94026154 1.0775(+07)
3 9 4 21 916.99224887 6.4651(+07)
4 5 3 21 917.26020112 2.2449(+07)
5 6 2 21 917.32607838 2.1046(+06)
6 8 3 21 917.41618038 2.2448(+07)
7 7 2 21 917.46669294 5.3877(+07)
8 2 1 118 352.24454327 6.2649(+08)
9 3 1 118 352.29531193 8.2000(+00)
10 4 1 118 352.77097467 6.2648(+08)
11 5 1 140 269.55551305 1.6725(+08)
12 6 1 140 269.57062165 1.1090(− 06)
13 7 1 140 269.71123621 5.9380(+02)
14 8 1 140 269.71149231 1.6725(+08)
15 9 1 140 269.76322354 5.9370(+02)

Notes. Numbers in parentheses denote powers of 10.

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