Table 1
Range of physical parameters explored for each of our two classes of medium: gas density nH, gas temperature Tgas, incident FUVradiation field intensity G0, line-of-sight visual extinction AV, cosmic-ray ionization rate ζ, H2 ortho-to-pararatio OPR
, depletion factor and sulfur gas-phase elemental abundance [S].
| Translucent medium | Cold dense medium | |
|---|---|---|
| nH [cm−3] | 3 × 102−3 × 103 | 103−106 |
| Tgas [K] | 15−100 | 7−20 |
| G0 | 1−1000 | 1 |
| AV | 2−6 | 5−20 |
| ζ [s−1] | 10−17−10−15 | 10−17−10−16 |
OPR |
0.1−3 | 10−4−10−1 |
| depletion factor | 1 | 1−10 |
| [S] | 1.86 × 10−8−1.86 × 10−5 | 1.86 × 10−8−1.86 × 10−5 |
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