Table 1
Spectroscopic parameters of the observed methanol lines.
| Line | Rest frequency | E u / k b | g u a | A |
| (MHz) | (K) | (10-5 s-1) | ||
|
|
||||
| CH3OH | ||||
| 20,2 − 10,1, A+ | 96 741.375 | 6.96 | 5 | 0.3408 |
| 21,2 − 11,1, E2 | 96 739.362 | 12.53b | 5 | 0.2558 |
| 20,2 − 10,1, E1 | 96 744.550 | 20.08b | 5 | 0.3407 |
| 00,0 − 11,1, E1 − E2 | 108 893.963 | 13.12b | 1 | 1.471 |
| CH2DOH | ||||
| 20,2 − 10,1, e0 | 89 407.817 | 6.40 | 5 | 0.202 |
| 30,3 − 20,2, e0 | 134 065.381 | 12.83 | 7 | 0.730 |
| CH3OD | ||||
| 11,0 − 10,1, A− − A+ | 133 925.423 | 8.6 | 3 | 2.982 |
Notes. Data are taken from Xu & Lovas (1997) for CH3OH, from Pearson et al. (2012) for CH2DOH, and from Anderson et al. (1988) for CH3OD. Energy relative to the ground 00,0, A rotational state.
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