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Table 1
Observed transitions.
| Molecule | Transition | Frequency |
|
| [GHz] | [K] | ||
|
|
|||
| 12CH3OHb | 2-1 → 1-1 E | 96.739363 | 4.65 |
| 20 → 10 A+ | 96.741377 | 6.96 | |
| 20 → 10 E | 96.744549 | 12.2 | |
| 2 + 1 → 1+1 E | 96.755507 | 20.1 | |
| 13CH3OHc | 2-1 → 1-1 E | 94.405163 | 4.53 |
| 20 → 10 A+ | 94.407129 | 6.80 | |
| 20 → 10 E | 94.411016 | 12.0 | |
| 2 + 1 → 1+1 E | 94.420449 | 20.0 | |
| 12C18Oc | 1 → 0 | 109.7821734 | 5.27 |
| 13C18Oc | 1 → 0 | 104.7114035 | 5.03 |
Notes.
(a)
Energies for the E-type CH3OH transitions are given relative to the lowest lying E-level, (J,K) = (1, − 1).
(b)
Data from Mekhtiev et al. (1999).
(c)
Data from the Cologne Database for Molecular Spectroscopy1(CDMS, Müller et al. 2005).
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