Open Access
Table 7
Model parameter for models discussed in Sect. 6.
| Parameter | Value | Comment |
|---|---|---|
| n0 | 104 cm→3 | Surface density |
| M | 50,1000 M→ | Clump mass |
| → | 1–106 | FUV in units of (Draine 1978) |
| → | 1.5 | Density power law index |
| Rcore | 0.2 | Constant density core fraction |
| FWHM | 1 km s→1 | Micro-turbulent line width |
| 10→16 s→1 | CR ionization rate | |
| dust composition | WD01-7 | (Weingartner & Draine 2001b, entry 7 in their Table 1) |
| →8 | PEHWD01-4 | Photo electric heating rate (Weingartner & Draine 2001a, entry 4 in their Table 2) |
 |
H2 formation described in (Röllig et al. 2013), formation on PAHs larger than acarb = 29 Å | |
 |
H2 self-shielding (Federman et al. 1979) | |
| [He]/[H] | 0.851 | He elem. abundance (Simón-Díaz & Stasinska 2011) |
| [C]/[H] | 2.34 × 10→4 | C elem. abundance (Simón-Díaz & Stasinska 2011) |
| [13C]/[H] | 3.52 × 10→6 | 13C elem. abundance (Simón-Díaz & Stasinska 2011) |
| [O]/[H] | 4.47 × 10→4 | O elem. abundance (Simón-Díaz & Stasinska 2011) |
| [N]/[H] | 8.32 × 10→5 | N elem. abundance (Simón-Díaz & Stasinska 2011) |
| [Si]/[H] | 3.17 × 10→6 | Si elem. abundance (Simón-Díaz & Stasinska 2011) |
| [S]/[H] | 7.41 × 10→6 | S elem. abundance (Simón-Díaz & Stasinska 2011) |
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