Table 1
Model abbreviations.
| Items | Parameter | Value | Abbreviation |
|---|---|---|---|
| 1 | HC/UCHII region model | mHII | |
| HHMC model | mHHMC | ||
| HMC model | mHMC | ||
| 2 | Size of the HII region | 0.015 | r0.015 |
| (pc) | 0.05 | r0.05 | |
| 0.10 | r0.10 | ||
| 3 | Density at the | 106 | n6 |
| ionization front (cm−3) | 107 | n7 | |
| 4 | Initial conditions | ini1 | |
| ini2 | |||
| 5 | Cut-off density (cm−3) | 10 | c1 |
| 106 | c6 | ||
| Appendix B.1 | Number of species | 183 | s183 |
| in the network | 334 | s334 | |
| Appendix B.2 | Plummer exponent γ | 1 | p1 |
| 2.5 | p2.5 |
Notes. The reference model values are shown in bold. The results for the last two items are shown in the Appendix. For the models p1 the density at the ionization front is 107 cm−3 for the HII region with a radius of 0.015 pc. The density at the ionization front is lower for the other cases (1.56×106 cm−3 for 0.05 pc, and 4.15×105 cm−3 for 0.1 pc)
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