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Table 3
Differences between luminosities of the Hnα lines calculated using the current model and the EPA model for a uniform spherical HC H II region with various Te, ne, and EM.
| Te = 6000 K | ne = 106 cm–3 | ne = 107 cm–3 | ne = 108 cm–3 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| EM (cm–6 pc) | H30α | H35α | H40α | H25α | H30α | H35α | H20α | H25α | H30α |
| 2 × 1010 | 12.20% | 30.99% | 38.08% | –0.34% | 0.04% | 0.20% | 0.00% | 0.01% | 0.00% |
| 1011 | … | … | … | 40.11% | 57.35% | 28.66% | 0.14% | 0.84% | 0.46% |
| 2 × 1011 | … | … | … | 104.63% | 161.03% | 165.89% | 4.20% | 0.57% | 1.28% |
| 1012 | … | … | … | … | … | … | 131.8% | 193.61% | 60.20% |
| Te = 10 000 K | ne = 106 cm–3 | ne = 107 cm–3 | ne = 108 cm–3 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| EM (cm–6 pc) | H30α | H35α | H40α | H25α | H30α | H35α | H20α | H25α | H30α |
| 2 × 1010 | –1.19% | –1.38% | –1.33% | –0.06% | –0.06% | –0.06% | 0.00% | 0.00% | –0.01% |
| 1011 | 19.88% | 42.08% | 56.24% | –0.78% | –0.28% | 0.28% | –0.01% | 0.04% | 0.03% |
| 2 × 1011 | … | … | … | 6.14% | 7.81% | –1.54% | –0.01% | 0.27% | 0.25% |
| 1012 | … | … | … | 114.65% | 199.59% | 307.31% | 15.42% | 3.77% | 1.49% |
| 2 × 1012 | … | … | … | … | … | … | 61.25% | 76.77% | –16.11% |
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