Table 2
Column densities (N), rotational temperatures, and abundances (X) relative to H2 of the sulphur-bearing molecules detected in B 335.
| Species | Nrot × 1013 (cm−2) | Trot (K) | (a)NLVG × 1013 (cm−2) | (b)X × 10−9 |
|---|---|---|---|---|
| CS | 8 ± 2 | 3.6 ± 0.8 | 12.00 (34.2) | 11.0 |
| 13CS | 0.8 ± 0.1 | 2.8 ± 0.9 | 0.73 | 0.24 |
| C34S | 2.1 ± 0.8 | 2.7 ± 0.7 | 1.40 | 0.45 |
| C34S | 0.18 ± 0.09 | 2.9 ± 0.5 | 0.13 | 0.04 |
| CCS | 5.4 ± 0.8 | 5 ± 0.5 | 4.40 | 1.42 |
| 0.19 ± 0.06 | 15 ± 1 | |||
| CC34S | 0.27 ± 0.01 | 6.4 ± 0.3 | 0.90 | 0.29 |
| CCCS | 1.8 ± 0.4 | 7.4 ± 0.8 | 0.65 | 0.02 |
| CCC34S | 0.14 ± 0.07 | 2.8 ± 0.9 | 0.12 | 0.04 |
| OCS | 3.8 ± 0.5 | 7.0 ± 0.8 | 2.00 | 0.65 |
| HCS+ | 0.5 ± 0.2 | 3.8 ± 0.4 | 0.55 (1.5) | 0.05 |
| HC34S+ | 0.08 ± 0.02 | 6 ± 1 | 0.06 | 0.01 |
| SO | 1.8 ± 0.6 | 7.2 ± 0.1 | 6.10 | 1.97 |
| 34SO | – | – | 0.25 | 0.08 |
| o-H2CS | 1.6 ± 0.7 | 4.5 ± 0.5 | 1.00 | 0.32 |
| p-H2CS | 0.6 ± 0.2 | 5.4 ± 0.2 | 0.70 | 0.22 |
| NS | – | – | 0.13 | 0.04 |
| SO2 | – | – | 0.47 | 0.21 |
| H2S | – | – | 6.50 | 2.10 |
| H234S | – | – | 0.11 | 0.04 |
| HSCN | – | – | 0.10 | 0.03 |
| HNCS | – | – | 0.47 | 0.15 |
| Total N | 6.2 × 1014 | |||
| Total X | 2.0 × 10−8 | |||
Notes. Numbers in parentheses are obtained from its corresponding 34S isotopologue considering 32S/34S = 24.4 (Mauersberger et al. 2004). (a) LVG calculations assuming 
and TK = 15 K (Shirley et al. 2011; Cabedo et al. 2021). (b) Considering 
(Cabedo et al. 2021).
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