Table 4
Parameters of our best-fit LTE model and population diagram fit of methanol, formaldehyde, thioethenylidene, cyanoacetylene, thioformaldehyde, carbon monosulfide, and cyclopropenylidene.
| Molecule | Parameters of the best-fit LTE model |
Results of the population diagram method |
|||||
|---|---|---|---|---|---|---|---|
| Source size (a) | NWeeds (b) | Trot (c) | ∆v (d) |  (e) |
Npop(f) | Trot (g) | |
| (″) | (cm−2) | K | (km s−1) | (cm−2) | K | ||
| CH3OH | 30″ | 3.3 × 1013 | 12.0 | 1.42 | 2.8 × 10−09 | 2.8 × 1013 ± 1.0× 1013 | 11.7 ± 1.9 |
| H2CO | 30″ | 2.0× 1013 | 9.7 | 1.27 | 1.7 × 10−09 | 1.6× 1013 ±4.2× 1012 | 10.6 ± 1.3 |
| CCS | 30″ | 3.0× 1012 | 9.4 | 1.14 | 2.8 × 10−10 | 3.3 × 1012 ± 1.2× 1012 | 8.1 ± 0.8 |
| HC3N | 25″ | 5.0× 1012 | 14.5 | 1.19 | 3.5 × 10−10 | 4.2× 1012 ±5.7 × 1011 | 14.4 ± 0.7 |
| H2CS | 30″ | 1.5 × 1012 | 14.0 | 1.29 | 1.2 × 10−10 | 1.4× 1012 ± 1.5 × 1012 | 14.8 ±9.5 |
| CS | 30″ | 2.2× 1013 | 10.5 | 1.33 | 1.9 × 10−09 | 1.7 × 1013 ±5.4× 1012 | 10.5 ± 1.5 |
| c-C3H2 | 30″ | 6.0× 1012 | 9.0 | 1.09 | 4.7 × 10−10 | 5.5 × 1012 ± 1.5 × 1012 | 8.6 ± 0.7 |
Notes. (a)Emission diameter (FWHM). (b)Column density. (c)Temperature. (d) Average line width of all detected transitions. (e)Abundance values with respect to the H2 column density using Ntot values from the best-fit LTE model. (f) Column density from the population diagram method. (g) Rotational temperature from the population diagram method.
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