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Table 2
Number of levels, super-levels, and bound–bound transitions for each atomic species included in our basic models.
| Ion | Full levels | Super-levels | b–b transitions |
|---|---|---|---|
| H I | 30 | 30 | 435 |
| He I | 69 | 69 | 905 |
| He II | 30 | 30 | 435 |
| C III | 243 | 99 | 5528 |
| C IV | 64 | 64 | 1446 |
| N III | 287 | 57 | 6223 |
| N IV | 70 | 44 | 440 |
| N V | 49 | 41 | 519 |
| O III | 104 | 36 | 761 |
| O IV | 64 | 30 | 359 |
| O V | 56 | 32 | 314 |
| Mg II | 44 | 36 | 348 |
| Si III | 50 | 50 | 232 |
| Si IV | 66 | 66 | 1090 |
| S V | 144 | 37 | 1673 |
| Fe III | 607 | 65 | 5482 |
| Fe IV | 1000 | 100 | 25 241 |
| Fe V | 1000 | 139 | 25 173 |
| Fe VI | 1000 | 59 | 24 798 |
Notes. CMFGEN approach for a faster computational treatment. For more details see, for example, Hillier & Miller (1998).
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