Open Access
Table A.1
Ions, levels, and transitions (lines) considered in the models
| Elem. | ion | levels | lines | Elem. | ion | levels | lines |
|---|---|---|---|---|---|---|---|
| H | I | 30 | 435 | Mg | I | 1 | 0 |
| H | II | 1 | 0 | Mg | II | 32 | 496 |
| He | I | 45 | 990 | Mg | III | 43 | 903 |
| He | II | 30 | 435 | Mg | IV | 17 | 136 |
| He | III | 1 | 0 | Mg | V | 20 | 190 |
| N | I | 10 | 45 | Si | I | 20 | 190 |
| N | II | 38 | 703 | Si | II | 20 | 190 |
| N | III | 85 | 3570 | Si | III | 24 | 276 |
| N | IV | 38 | 703 | Si | IV | 55 | 1485 |
| N | V | 20 | 190 | Si | V | 52 | 1326 |
| N | VI | 14 | 91 | P | IV | 12 | 66 |
| C | I | 15 | 105 | P | V | 11 | 55 |
| C | II | 32 | 496 | P | VI | 1 | 0 |
| C | III | 40 | 780 | Al | I | 1 | 0 |
| C | IV | 25 | 300 | Al | II | 10 | 45 |
| C | V | 29 | 406 | Al | III | 10 | 45 |
| C | VI | 1 | 0 | Al | IV | 1 | 0 |
| O | I | 13 | 78 | Fe | I | 13 | 40 |
| O | II | 37 | 666 | Fe | II | 14 | 48 |
| O | III | 33 | 528 | Fe | III | 13 | 40 |
| O | IV | 29 | 406 | Fe | IV | 18 | 77 |
| O | V | 54 | 1431 | Fe | V | 22 | 107 |
| O | VI | 35 | 595 | Fe | VI | 29 | 194 |
| O | VII | 15 | 105 | Fe | VII | 19 | 87 |
| S | II | 32 | 496 | Fe | VIII | 14 | 49 |
| S | III | 23 | 253 | Fe | IX | 15 | 56 |
| S | IV | 25 | 300 | Fe | X | 1 | 0 |
| S | V | 20 | 190 | ||||
| S | VI | 22 | 231 |
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