Table 4.
Simulation parameters used for the H II region test with the HII40 Lexington benchmark model (Ferland 1995; Ercolano et al. 2003; Haworth & Harries 2012).
| Stellar parameters (Unit) | Test 1 | Test 2 | Test 3 |
|---|---|---|---|
| Teff(K) | 40 000 | ||
| Spectral energy distribution | Blackbody | ||
| R*(R⊙) | 1.865 | 18.65 | 186.5 |
| L* (1039 erg s−1) | 0.0307 | 3.07 | 307.0 |
| Q0 (1049 s−1) | 0.0426 | 4.26 | 426.0 |
| ISM properties (Unit) | Test 1 | Test 2 | Test 3 |
| ρ (10−22 g cm−3) | 0.236 | 2.36 | 23.6 |
| XH | 7.0933 × 10−01 | ||
| XHe | 2.8373 × 10−01 | ||
| XC | 1.8725 × 10−03 | ||
| XN | 3.9726 × 10−04 | ||
| XO | 3.7452 × 10−03 | ||
| XNe | 7.1647 × 10−04 | ||
| XSi | 1.9932 × 10−09 | ||
| XS | 0 | ||
| XFe | 0 | ||
| Domain size (cm) | 1.8 × 1019 | ||
| ncells | 256 | ||
| Finish time (1013 s) | 31.56 | 3.156 | 0.3156 |
Notes. Test 2 is the HII40 model, and Tests 1 and 3 have gas density 10 times lower and higher, respectively, with adjustments to the radiation field such that the Strömgren radius remains the same. Note in the benchmark test Si and Fe are not included and so we exclude them from our calculations.
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