Open Access
Table C.1
H2 rotational transition properties.
| Transition | λ (μm) | Eu (K) | gu | Au (s−1) |
|---|---|---|---|---|
| S(1) | 17.0348 | 1015.1 | 21 | 4.761 × 10−10 |
| S(2) | 12.2786 | 1681.6 | 9 | 2.775 × 10−9 |
| S(3) | 9.66491 | 2503.7 | 33 | 9.836 × 10−9 |
| S(4) | 8.02504 | 3474.5 | 13 | 2.643 × 10−8 |
| S(5) | 6.90951 | 4586.1 | 45 | 5.879 × 10−8 |
| S(6) | 6.10856 | 5829.8 | 17 | 1.142 × 10−7 |
| S(7) | 5.51118 | 7196.7 | 57 | 2.001 × 10−7 |
| S(8) | 5.05306 | 8677.1 | 21 | 3.236 × 10−7 |
Notes. λ: the transition wavelength; Eu: energy of the upper level measured from the ground ν = 0, J = 0 level; gu: statistical weight of the upper level; Au: electric quadrupole emission probability. Eu, gu, Au from Roueff et al. (2019).
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