Open Access
Table 1.
Observed lines.
| Molecule | Transitions | Frequency | Eup | Aij | ncrit |
|---|---|---|---|---|---|
| (MHz) | (K) | (10−5 s−1) | (104 cm−3) | ||
| CH2DOH | 11, 0-10, 1E0 | 85296.90 | 6.2 | 0.45 | – |
| 21, 1-20, 2E0 | 86668.86 | 10.6 | 0.46 | – | |
| 20, 2-10, 1E0 (a) | 89407.91 | 6.4 | 0.20 | – | |
| CHD2OH | 20, 1-10, 1E0 | 83289.63 | 6.0 | 0.22 | – |
| 21, 2-11, 2E0 | 82165.82 | 9.1 | 0.16 | – | |
| CH3OH | 51, 5-40, 4E2 | 84521.17 | 40.4 | 0.20 | 57.1 |
| 21, 2-11, 1E2 | 96739.35 | 12.5 | 0.26 | 1.3 | |
| 20, 2-10, 1A | 96741.37 | 7.0 | 0.34 | 0.7 | |
| 20, 2-10, 1E1 | 96744.54 | 20.0 | 0.34 | 15.4 | |
| 21, 2-11, 1E1 | 96755.50 | 28.0 | 0.26 | 31.5 | |
| 2−1, 2-1−1, 1A | 97582.80 | 21.6 | 0.26 | 59.4 | |
Notes. The laboratory spectroscopy references for CH2DOH are Coudert et al. (2014) (for rest frequencies) and Pearson et al. 2012, for CHD2OH is Drozdovskaya et al. (2022), and for CH3OH Xu et al. (2008).
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