Table 1
The ten metallicities considered in our grids of models and the abundances of the five main elements of the ISM we are including in CLOUDY.
| 12 + log(O/H) | Metallicity | m Z /mH | Helium | Carbon | Nitrogen | Oxygen | Iron |
| in unit of Z⊙ | |||||||
|
|
|||||||
| 6.2 | 3.79 × 10-3 | 9.22 × 10-5 | 5.767 × 10-2 | 9.192 × 10-7 | 3.038 × 10-6 | 1.107 × 10-6 | 1.383 × 10-7 |
| 6.6 | 6.70 × 10-3 | 1.63 × 10-4 | 5.770 × 10-2 | 1.932 × 10-6 | 3.493 × 10-6 | 3.301 × 10-6 | 2.361 × 10-7 |
| 7.0 | 1.23 × 10-2 | 2.99 × 10-4 | 5.773 × 10-2 | 3.920 × 10-6 | 3.477 × 10-6 | 8.295 × 10-6 | 3.796 × 10-7 |
| 7.4 | 2.65 × 10-2 | 6.43 × 10-4 | 5.786 × 10-2 | 9.181 × 10-6 | 4.304 × 10-6 | 1.992 × 10-6 | 7.577 × 10-7 |
| 7.8 | 6.38 × 10-2 | 1.55 × 10-3 | 5.823 × 10-2 | 2.262 × 10-6 | 7.561 × 10-6 | 4.880 × 10-6 | 1.765 × 10-6 |
| 8.2 | 1.60 × 10-1 | 3.89 × 10-3 | 5.912 × 10-2 | 5.772 × 10-6 | 1.749 × 10-6 | 1.119 × 10-4 | 4.898 × 10-6 |
| 8.6 | 3.80 × 10-1 | 9.23 × 10-3 | 6.101 × 10-2 | 1.499 × 10-4 | 5.246 × 10-6 | 2.505 × 10-4 | 1.037 × 10-6 |
| 9.0 | 1 | 2.43 × 10-2 | 7.006 × 10-2 | 4.800 × 10-4 | 2.318 × 10-4 | 5.977 × 10-4 | 2.755 × 10-6 |
| 9.4 | 2.35 | 5.71 × 10-2 | 8.910 × 10-2 | 1.245 × 10-3 | 6.048 × 10-4 | 1.397 × 10-4 | 5.373 × 10-6 |
| 9.8 | 4.44 | 1.08 × 10-1 | 1.057 × 10-2 | 2.585 × 10-4 | 1.098 × 10-4 | 2.741 × 10-4 | 7.618 × 10-6 |
Notes. First column: average metallicity values, second column: equivalent solar metallicity fraction, third column: relative metal mass abundances to hydrogen mass and last five columns: abundances (number of element atoms to hydrogen atoms).
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