Open Access
Table A.2
Summary of the best-fit line parameters obtained using MCMC method considering a source size = 2″ and a Vlsr = 68 km/s.
| Species | Quantum numbers | Frequency (GHz) | Eu (K) | FWHM (Km s−1) | Best fitted column density (cm−2) | Best fitted Tex (K) | Optical depth (τ) |
|---|---|---|---|---|---|---|---|
| Vinyl cyanide and its isotopologues | |||||||
| C2H3CN | 62,4 → 61,5, v=0 | 130.763576 | 18.2 | 0.02 | |||
| 292,27 → 291,28, v=0 | 131.168737 | 209.5 | 0.05 | ||||
| 122,11 → 121,12, v=0 | 153.42175 | 44.1 | 8.2 | (3.4 ± 0.4) × 1017 | 209.8±18.02 | 0.03 | |
| 190,19 → 181,18, v=0 | 158.773785 | 85.5 | 0.06 | ||||
| 13CH2CHCN | 167,9 → 157,8 | 147.927607 | 164.8 | 0.03 | |||
| 163,14 → 153,13 | 147.986686 | 79.5 | 9.0 | (5.3±0.4) × 1015 | 125.8±13.67 | 0.07 | |
| 162,14 → 152,13 | 149.423715 | 69.2 | 0.07 | ||||
| 171,16 → 161,15 | 159.954635 | 71.2 | 0.08 | ||||
| Ethyl cyanide with its isotopologues and isomer | |||||||
| C2H5CN | 141,14 → 130,13, v=0 | 129.768140 | 44.8 | 0.20 | |||
| 213,19 → 212,20, v=0 | 130.693882 | 109.4 | 0.12 | ||||
| 244,20 → 243,21, v=0 | 148.293988 | 147.1 | 0.12 | ||||
| 102,9 → 91,8, v=0 | 148.36276 | 28.1 | 7.8 | (1.7 ± 0.10) × 1017 | 104.1±9.9 | 0.10 | |
| 283,26 → 282,27, v=0 | 153.589524 | 184.6 | 0.08 | ||||
| 214,17 → 213,18, v=0 | 154.47598 | 117.2 | 0.14 | ||||
| 262,25 → 261,26, v=0 | 154.55736 | 154.0 | 0.07 | ||||
| 208,13 → 217,14, v=0 | 158.742366 | 161.4 | 0.02 | ||||
| 174,13 → 173,14, v=0 | 159.3308 | 83.6 | 0.15 | ||||
| 13CH3CH2CN | 155,10 → 145,9, v=0 | 131.155447 | 77.8 | 0.05 | |||
| 1511,4 → 1411,3, v=0 | 131.161428 | 183.4 | 0.01 | ||||
| 154,12 → 144,11, v=0 | 131.233679 | 67.9 | 8.4 | (7.8 ± 1.1) × 1015 | 130.8±23.2 | 0.06 | |
| 154,11 → 144,10, v=0 | 131.249984 | 67.9 | 0.06 | ||||
| 181,17 → 171,16, v=0 | 159.10002 | 74.2 | 0.08 | ||||
| Methylacetylene and its isotopologue | |||||||
| CH3CCH | 96 → 86 | 153.71152 | 296.1 | 0.015 | |||
| 93 → 83 | 153.790769 | 101.7 | 10.0 | (8.7 ± 0.7) × 1016 | 219.1 ± 14.8 | 0.06 | |
| 92 → 82 | 153.805457 | 65.7 | 0.04 | ||||
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