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Table 5
Comparison of fractional abundances with observational templates.
| HH-PDR | TMC 1-CP | Orion KL | Comets (% wrt H2O) | |
|---|---|---|---|---|
| CS | (4.5 ± 1.1) × 10−10 | 1.4 × 10−9 | 7.0 × 10−8 | 0.02−0.2 |
| SO | (3.9 ± 0.5) × 10−10 | 7.5 × 10−10 | 8.0 × 10−8 | 0.04−0.3 |
| o-H2CS | (2.4 ± 0.3) × 10−11 | 3.0 × 10−10 | 5.6 × 10−9 | 0.009−0.09 |
| OCS | (5.0 ± 0.8) × 10−11 | 1.1 × 10−9 | 5.0 × 10−8 | 0.03−0.4 |
| CCS | (8.0 ± 2.6) × 10−12 | 3.5 × 10−9 | 8.0 × 10−11 | |
| SO2 | (1.2 ± 0.2) × 10−10 | 1.5 × 10−10 | 1.9 × 10−7 | 0.2 |
| SO+ | (1.7 ± 0.5) × 10−11 | |||
| HCS+ | (1.1 ± 0.2) × 10−11 | 1.5 × 10−10 | ||
| NS | (1.0 ± 0.2) × 10−10 | 4.0 × 10−10 | 3.4 × 10−9 | 0.006−0.012 |
| NS+ | (3.0 ± 0.6) × 10−12 | 2.4 × 10−12 | ||
| H2S | (3.1 ± 0.5) × 10−10 | <2.5 × 10−10 | 1.5 × 10−6 | 0.13−1.5 |
| S2H | (8.7 ± 3.1) × 10−11 | |||
| Sulphur budget | ~1.5 × 10−9 | ~8 × 10−9 | 1.9 × 10−6 | 4 × 10−6 (n(H2O)/nH=2.7 × 10−4) |
References. TMC1: Agúndez & Wakelam (2013); Cernicharo et al. (2018) and references therein. Orion-KL: Tercero et al. (2010); Esplugues et al. (2014); Crockett et al. (2014). Comets: Calmonte et al. (2016); Bockelée-Morvan & Biver (2017).
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