Open Access
Table C.1
Transitions detected in the IRAM 30 m observations.
| Species | Transition | Rest freq.(a) | Eup∕kb(a) | Aul(a) |
|---|---|---|---|---|
| (GHz) | (K) | (s−1) | ||
| SO | 55−44 | 215.220653 | 44.1 | 1.19 × 10−4 |
| SiO(b) | 5−4 | 217.104980 | 31.3 | 5.20 × 10−4 |
| DCN | 3−2 | 217.238538 | 20.9 | 4.57 × 10−4 |
| c−C3H2 | 6−5(c) | 217.822148 | 38.6 | 5.40 × 10−4 |
| c-C3H2 | 51,4−42,3 | 217.940046 | 35.4 | 4.03 × 10−4 |
| H2CO | 30,3−20,2 | 218.222192 | 21.0 | 2.82 × 10−4 |
| HC3N | 24−23 | 218.324723 | 131.0 | 8.26 × 10−4 |
| E-CH3OH | 42,2−31,2 | 218.440050 | 45.5 | 4.69 × 10−5 |
| H2CO | 32,2−22,1 | 218.475632 | 68.1 | 1.57 × 10−4 |
| H2CO | 32,1−22,0 | 218.760066 | 68.1 | 1.58 × 10−4 |
| C18O | 2−1 | 219.560354 | 15.8 | 6.01 × 10−7 |
| SO | 65−54 | 219.949442 | 35.0 | 1.34 × 10−4 |
| 13CO | 2−1 | 220.398684 | 15.9 | 3.04 × 10−7 |
| 12CO | 2−1 | 230.538000 | 16.6 | 6.91 × 10−7 |
| H2CS | 71,7−61,6 | 236.727020 | 58.6 | 1.92 × 10−4 |
Notes. (a) Taken from the Cologne Database for Molecular Spectroscopy (CDMS, Müller et al. 2001, 2005). (b) Not detected towards W3 IRS4. (c) Blend of two lines with different quantum numbers but the same Eup at the same frequency. The highest Aul is given.
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