Table B.1
Rest frequencies (ν0), upper energy levels (Eup) and Einstein coefficients for spontaneous emission (Au,l) from upper level u to lower level l of the molecular transitions investigated in this work.
| Molecule | Transition | ν 0 | E up | A u,l |
| [MHz] | [K] | [s-1] | ||
|
|
||||
| H13CO+ | 1 − 0 | 86 754.288 | 4.2 | 3.85 × 10-5 |
| c-C3H2-o | 21,2 − 10,1 | 85 338.894 | 4.1 | 2.32 × 10-5 |
| CH3OH | 20,1,0 − 10,1,0 | 96 741.371 | 7.0 | 3.41 × 10-6 |
| 13CH3OH | 20,2,0 − 10,1,0 | 94 407.129 | 6.8 | 3.17 × 10-6 |
| CH3CN | 50,0 − 40,0 | 91 987.088 | 13.2 | 6.33 × 10-5 |
| 60,0 − 50,0 | 110 383.500 | 18.5 | 1.11 × 10-4 | |
| CH3CHO | 21,2,0 − 10,1,0 | 84 219.749 | 5.0 | 3.38 × 10-6 |
| 50,5,0 − 40,4,0 | 95 963.459 | 13.8 | 2.95 × 10-5 | |
| 31,3,1 − 20,2,2 | 101 343.441 | 7.7 | 3.91 × 10-6 | |
| HC3N | 10 − 9 | 90 979.023 | 24.0 | 5.81 × 10-5 |
| 11 − 10 | 100 076.392 | 28.8 | 7.77 × 10-5 | |
| NH2CHO | 40,4 − 30,3 | 84 542.330 | 10.2 | 4.09 × 10-5 |
| 41,3 − 31,2 | 87 848.874 | 13.5 | 4.30 × 10-5 | |
| 51,5 − 41,4 | 102 064.267 | 17.7 | 7.06 × 10-5 | |
| 50,5 − 40,4 | 105 464.219 | 15.2 | 8.11 × 10-5 | |
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