Table A.1.
Spectroscopic parameters of methanol lines observed by us.
| Tuning | Line | Rest freq. (a) | Redshifted freq. | Elow(b) | Sul | Aul | Kμ(c) |
|---|---|---|---|---|---|---|---|
| (JK, type) | (MHz) | (z = 0.88582, GHz) | (K) | (10−4 s−1) | |||
| B4 | CH3OH 30–2−1 E | 302369.773 (0.012) | 160.339 | 12.54 | 0.49 | 0.47 | −2.282 |
| CH3OH 1−1–10 A | 303366.921 (0.011) | 160.867 | 2.32 | 1.43 | 3.21 | −1.904 | |
| CH3OH 2−1–20 A | 304208.348 (0.011) | 161.314 | 6.96 | 2.38 | 3.23 | −1.902 | |
| CH3OH 3−1–30 A | 305473.491 (0.010) | 161.984 | 13.93 | 3.32 | 3.26 | −1.898 | |
| 13CH3OH 1−1–10 A | 303692.682 (0.050) | 161.040 | 2.27 | 1.43 | 3.22 | −1.904 | |
| 13CH3OH 2−1–20 A | 304494.300 (0.050) | 161.465 | 6.80 | 2.38 | 3.24 | −1.902 | |
| 13CH3OH 3−1–30 A | 305699.456 (0.050) | 162.104 | 13.59 | 3.32 | 3.27 | −1.898 | |
| B5 | CH3OH 40–3−1 E | 350687.662 (0.013) | 185.960 | 19.50 | 0.75 | 0.87 | −2.105 |
| CH3OH 11–00 A | 350905.100 (0.011) | 186.076 | 0.00 | 0.95 | 3.32 | −1.782 | |
| B6 | CH3OH 2−2–2−1 E | 423439.696 (0.012) | 224.539 | 12.54 | 0.81 | 2.96 | −1.292 |
| CH3OH 3−2–3−1 E | 423468.647 (0.011) | 224.554 | 19.50 | 1.42 | 3.73 | −1.292 | |
| CH3OH 4−2–4−1 E | 423538.272 (0.011) | 224.591 | 28.79 | 2.00 | 4.07 | −1.291 | |
| CH3OH 5−2–5−1 E | 423675.185 (0.011) | 224.664 | 40.39 | 2.56 | 4.27 | −1.291 | |
| CH3OH 6−2–6−1 E | 423912.719 (0.010) | 224.790 | 54.31 | 3.12 | 4.42 | −1.290 | |
| CH3OH 7−2–7−1 E (d) | 424291.030 (0.010) | 224.990 | 70.6 | 3.70 | 4.55 | −1.289 | |
| CH3OH 31–20 A | 445571.375 (0.011) | 236.275 | 6.96 | 1.91 | 5.82 | −1.615 | |
| CH3OH 60–5−1 E | 447118.364 (0.012) | 237.094 | 40.39 | 1.32 | 2.20 | −1.865 | |
| B7 | CH3OH 2−2–1−1 E | 520179.054 (0.012) | 275.837 | 7.90 | 1.44 | 9.76 | −1.237 |
Notes.
Rest frequencies are taken from the Cologne Database for Molecular Spectroscopy (Müller et al. 2001, 2005; Endres et al. 2016), based on the works by Xu et al. (2008) for CH3OH and Xu & Lovas (1997) for 13CH3OH.
Energy of the lower level, with respect to the ground state of A-CH3OH. For E-CH3OH, the ground state lies 7.90 K above that of A-CH3OH. This value needs to be subtracted to obtain the absolute Elow values for E-CH3OH.
Sensitivity coefficients to a varying μ, taken from Jansen et al. (2011a; see also Appendix D).
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