Table 3
Overview of the sulphur line LTE modeling for the optically thin emission of Cygnus X-N12 targeting the cold chemistry.
| Molecules | Nsp (a) | Tex (a) | FWHM (a) |
|---|---|---|---|
| [cm−2] | [K] | [km s−1] | |
| OCS | 1.5 1014 |
13±5 | 3.0 |
| OC33S | 1.5 1013 |
15±5 | 3.5 |
| C34S | 4.5 1013 |
15±5 | 3.5 |
| C33S | 4.5 1012 |
15±5 | 2.5 |
| CS | 9.0 1014 |
22±5 | 3.0 |
| 13CS | 1.6 1013 |
15±5 | 3.0 |
| 13C34S | 6.0 1011 |
15±5 | 2.5 |
| H2CS | 1.3 1014 |
30±5 | 3.0 |
| H2C34S | 5.0 1012 |
23±5 | 3.0 |
| CCS | 1.6 1013 |
8+5 (b) | 1.5 |
| C3S | 2.5 1012 |
16±5 | 2.0 |
| CC13CS | 2.0 1012 |
14±5 | 2.0 |
| CH3SH | 1.0 1013 |
8±5 | 3.5 |
| H34SCN | 1.5 1011 |
15±5 | 5.5 |
| HSCN | 1.0 1012 |
13±5 | 2.5 |
| HCS+ | 1.1 1013 |
10+5 (b) | 3.5 |
| SO (c) | 2.7 1014 |
8–15 | 3.0 |
| SO2 (c) | 1.2–3 ×1014 | 10–40 | 3.0 |
| 34SO | 1.2 1013 |
15±5 | 3.0 |
| NS | 2.7 1013 |
15±5 | 3.0 |
| NS+ | 8.5 1011 |
15±5 | 2.2 |
Notes. (a)A source size of 18′′0 was used. (b)If only the upper or lower limit is given, the best model for the molecule was achieved at the given main value (i.e., Tex) and no lower or upper limit from this value was found. (c)The column density of the optically thick emission from SO and SO2 was determined using the isotopic ratios 32S/34S = 22.5.
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