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Table 1
Transitions covered by the instrumental setup.
| Species | Transition | Frequency | E L |
| (GHz) | (K) | ||
|
|
|||
| CH3CN | J = 12–11, K = 0 | 220.7473 | 58.3 |
| 13CO | J = 2–1 | 220.3987 | 5.3 |
| SO | J = 5–4 | 219.9494 | 24.4 |
| HNCO | J = 10–9, K = 0 | 219.7983 | 47.5 |
| C18O | J = 2–1 | 219.5604 | 5.3 |
| SO2 | J = 22–23, K = 7–6 | 219.2760 | 342.2 |
| H2CO | (32,1–22,0) | 218.7601 | 57.6 |
| H2CO | (32,2–22,1) | 218.4756 | 57.6 |
| CH3OH | J = 4–3, K = 2–1 E | 218.4401 | 35.0 |
| HC3N | J = 24–23 | 218.3247 | 120.5 |
| H2CO | (30,3–20,2) | 218.2222 | 10.5 |
| SiO | J = 5–4 | 217.1050 | 20.8 |
Notes. Column 1 lists the molecules; the transitions are described by the main quantum numbers in Col. 2; Cols. 3 and 4 give the rest frequencies and the lower state energies, respectively.
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