Table 1
Relevant spectroscopic line properties of the targeted CH3OH transitions, as well as the beam size, beam position angle (PA), and channel rms in the imaged line cubes.
| Transition | v (GHz) | log10 Aul (s−1) | Eu (K) | gu | Program | Beam size (″) | Beam PA (°) | channel rms (mJy/beam) |
|---|---|---|---|---|---|---|---|---|
| 3(−1,2)−2(−0,2) E | 310.1930 | −4.056 | 34.98 | 28 | 2022.1.00905.S | 0.83 × 0.65 | −47.83 | 0.76 |
| 6(1,5)−6(0,6) A* | 311.8526 | −3.466 | 63.71 | 52 | 2017.1.01178.S | 0.39 × 0.35 | −28.57 | 2.04 |
| 6(1,5)−6(0,6) A | 311.8526 | −3.466 | 63.71 | 52 | 2022.1.00905.S | 0.82 × 0.65 | −47.92 | 0.70 |
| 7(1,7)−6(1,6) A | 335.5820 | −3.789 | 78.97 | 60 | 2017.1.01178.S | 0.34 × 0.32 | −24.10 | 2.98 |
| 7(1,7)−6(1,6) A** | 335.5820 | −3.789 | 78.97 | 60 | 2019.1.00393.S | 0.64 × 0.39 | −49.53 | 2.53 |
| 7(1,6)−7(0,7) A* | 314.8585 | −3.456 | 80.09 | 60 | 2017.1.01178.S | 0.38 × 0.35 | −28.98 | 2.10 |
| 7(−1,6)−6(−2,5) E | 313.5968 | −4.327 | 86.05 | 60 | 2022.1.00905.S | 0.81 × 0.66 | −49.07 | 0.70 |
| 9(1,8)−9(0,9) A* | 322.2395 | −3.433 | 119.88 | 76 | 2017.1.01178.S | 0.34 × 0.32 | −23.91 | 4.85 |
| 9(1,8)−9(0,9) A | 322.2395 | −3.433 | 119.88 | 76 | 2022.1.00905.S | 0.78 × 0.64 | −46.99 | 1.60 |
| 10(−0,10)−9(−1,8) E* | 314.3511 | −4.108 | 140.60 | 84 | 2017.1.01178.S | 0.39 × 0.35 | −28.87 | 2.08 |
| 12(1,11)−12(0,12) A** | 336.8651 | −3.390 | 197.08 | 100 | 2019.1.00393.S | 0.63 × 0.39 | −49.56 | 2.27 |
| Stacked lines* | / | / | / | / | 2017.1.01178.S | 0.38 × 0.35 | −28.25 | 1.18 |
| Stacked lines** | / | / | / | / | 2019.1.00393.S | 0.63 × 0.39 | −49.56 | 1.61 |
Notes. The spectroscopic line properties are from from the CDMS database (Müller et al. 2001, 2005; Endres et al. 2016; Xu et al. 2008). All methanol lines were imaged with a 1 km s−1 channel spacing. The channel rms is computed after the 1 km s−1 binning.(*) Lines covered in program 2017.1.01178.S used to create the Stacked lines* entry.(**) Same as above, but for program 2019.1.00393.S.
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