Table 3
Results of the SLIM fits of the species analysed towards AG318−c9. Only a portion of the table is shown here. The complete table is available in Appendix D.1.
| Species | Tex (K) | N (×1016 cm−2) | X (×10−9) | FWHM (km s−1) | V (km s−1) | N° transitions |
|---|---|---|---|---|---|---|
| 13CO(a) | 167 | 42 ± 3 | 57 ± 4 | 3.2 ± 0.3 | −31.59 ± 0.12 | 1 |
| C18O | 167 | 30.4 ± 1.3 | 41.3 ± 1.7 | 5.4 ± 0.3 | −33.66 ± 0.11 | 1 |
| SO(b) | 12.2 ± 1.1 | 16.5 ± 1.4 | 9.0 ± 0.3 | −33.34 ± 0.16 | 1 | |
| 33SO | 167 | 0.136 ± 0.010 | 0.185 ± 0.014 | 5.0 | −33.9 ± 0.3 | 4 |
| SiO | 167 | 0.054 ± 0.002 | 0.073 ± 0.003 | 15.0 ± 0.6 | −32.9 ± 0.3 | 1 |
| SiS | 167 | 0.039 ± 0.003 | 0.053 ± 0.004 | 5.2 ± 0.5 | −31.9 ± 0.2 | 4 |
| SO2(b) | 24.3 ± 1.4 | 33.1 ± 1.9 | 5.7 ± 0.6 | −36.0 ± 0.2 | 2 | |
| 34SO2 | 167 | 0.77 ± 0.07 | 1.05 ± 0.10 | 10.0 | −36.4 ± 0.5 | 2 |
| DCN | 167 | 0.130 ± 0.002 | 0.178 ± 0.003 | 8.13 ± 0.15 | −34.35 ± 0.07 | 1 |
| ⁝ | ⁝ | ⁝ | ⁝ | ⁝ | ⁝ | ⁝ |
Notes. The derived physical parameters (Tex, N, 
, FWHM, and V) are listed along with their associated uncertainties. The last column indicates the number of transitions used to fit the spectrum. The parameters we fixed during the fitting procedure are reported without uncertainties. When Tex is fixed, 
is assumed (see Appendix A). HC3N* represents the group composed of HC3N, HC3N (v6 = 1), HC3N (v7 = 1), and HC3N (v7 = 2). (a)Species exhibiting a unique self-absorbed transition, resulting in a lower limit on the column density. (b)The column density was estimated from the less abundant isotopologues using the isotopic ratios 12C/13C = 46.6 ± 10 (Yan et al. 2019), 32S/34S = 20.7 ± 1.2 (Yan et al. 2023), and 32S/33S = 88.9 ± 7.7 (Yan et al. 2023).
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