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Table 1
Summary of the observations.
| Line series | Frequency | Beam FWHM | ηMB | ΔV | rms noisea | Telescope |
| [GHz] | [′′] | [km s-1] | [K] | |||
|
|
||||||
| CH3CN (5–4) | 92 | 26.̋7, 35′′ | 0.81, 0.49 | 0.64, 0.88 | 0.04, 0.04 | IRAM-30 m, MOPRA |
| CH3CN (6–5) | 110 | 22.̋4 | 0.81 | 0.53 | 0.06 | IRAM-30 m |
| CH3CN (19–18) | 349 | 17.̋9 | 0.73 | 1.00 | 0.03 | APEX |
| CH3CCH (5–4) | 86 | 28.̋6, 35′′ | 0.81, 0.49 | 0.69, 0.95 | 0.04, 0.05 | IRAM-30 m, MOPRA |
| CH3CCH (6–5) | 103 | 23.̋9 | 0.81 | 0.57 | 0.05 | IRAM-30 m |
| CH3CCH (20–19) | 342 | 18.̋2 | 0.73 | 0.53 | 0.07 | APEX |
| CH3OH (7–6) | 338 | 18.̋5 | 0.73 | 1.00 | 0.05 | APEX |
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