Table A.1
Parameters of molecular transitions
| molecules | θsource | Tk | Ns | ΔV | Ntrans | frequency | weights | database |
|---|---|---|---|---|---|---|---|---|
| ″ | K | × 1015 cm−2 | km/s | GHz | ||||
| 97.678803 | 0.22 | JPL | ||||||
| CH3OH (C1) | 1.6 | 100 | 200 | 5 | 3 | 98.030648 | 0.10 | JPL |
| 100.638872 | 3.87 | JPL | ||||||
| 98.190658 | 0.52 | JPL | ||||||
| 98.270501 | 0.23 | JPL | ||||||
| 98.278921 | 0.95 | JPL | ||||||
| 98.424207 | 0.67 | JPL | ||||||
| 98.431803 | 0.94 | JPL | ||||||
| 98.435802 | 0.74 | JPL | ||||||
| 98.682615 | 0.81 | JPL | ||||||
| 98.712001 | 0.65 | JPL | ||||||
| CH3OCHO (C1) | 1.2 | 123 | 32 | 5 | 17 | 98.747906 | 0.73 | JPL |
| 98.792289 | 0.73 | JPL | ||||||
| 99.133272 | 0.24 | JPL | ||||||
| 99.135762 | 0.17 | JPL | ||||||
| 100.294604 | 0.95 | JPL | ||||||
| 100.308179 | 0.79 | JPL | ||||||
| 100.482241 | 1.01 | JPL | ||||||
| 100.490682 | 1.14 | JPL | ||||||
| 100.681545 | 1.31 | JPL | ||||||
| 98.523872 | 3.17 | JPL | ||||||
| 98.533987 | 0.42 | JPL | ||||||
| 98.544164 | 0.69 | JPL | ||||||
| C2H5CN (C3) | 1.4 | 140 | 1.2 | 4.5 | 8 | 98.559927 | 0.12 | JPL |
| 98.566615 | 1.59 | JPL | ||||||
| 98.701070 | 1.63 | JPL | ||||||
| 99.681461 | 1.76 | JPL | ||||||
| 100.614281 | 1.86 | JPL | ||||||
| 97.535908 | 0.23 | JPL | ||||||
| 98.230313 | 0.32 | JPL | ||||||
| C2H5OH (C1) | 1.6 | 100 | 9 | 4 | 5 | 98.583898 | 0.28 | JPL |
| 98.983548 | 0.29 | JPL | ||||||
| 99.524091 | 0.29 | JPL | ||||||
| CH3OCH3 (C1) | 1.6 | 95 | 30 | 4 | 2 | 99.324430 | 1.38 | JPL |
| 99.836443 | 0.32 | JPL | ||||||
| 98.863314 | 0.67 | JPL | ||||||
| CH3CHO (C1) | 1.6 | 100 | 3.8 | 5 | 3 | 100.127164 | 0.10 | JPL |
| 100.645229 | 0.10 | JPL | ||||||
| 98.800398 | 0.29 | JPL | ||||||
| CH3COCH3 (C2) | 1.4 | 140 | 20 | 5 | 4 | 99.052559 | 0.37 | JPL |
| 99.256107 | 0.16 | JPL | ||||||
| 99.542604 | 0.13 | JPL | ||||||
Notes: Column 1 lists the molecule names. Columns 2 to 5 provide the best-fit molecular parameters from XCLASS, as used in Peng et al. (2022), including beam-deconvolved source size, rotational temperature, and column density. Column 6 shows the number of transitions (Ntrans) listed here for stacking. Column 7 contains the rest frequencies of the transitions, and Column 8 indicates the weights. All molecules are sourced from the JPL molecular database.
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