Table 4
Populations of a few Fe xii (n = 3) key levels.
| i | Lev. | POP(%) | RD(%) | EXC(%) | POP(%) | RD(%) | EXC(%) |
| DM05 | DM05 | DM05 | RM4 | RM4 | RM4 | ||
|
|
|||||||
| 1 | 3s2 3p34S3/2 | 94.98 | 92.1 | ||||
| 2 | 3s2 3p32D3/2 | 0.32 | 72.8 | 22 (1) | 0.57 | 76 | 19 (1) |
| 22 (3) | 24 (3) | ||||||
| 9 (5) | 10 (5) | ||||||
| 3 | 3s2 3p32D5/2 | 4.7 | 77 | 21 (1) | 7.2 | 80 | 18 (1) |
| 12 (39) | 13 (39) | ||||||
| 9 (16) | 8 (16) | ||||||
| 7 (32) | 6 (32) | ||||||
| 6 (19) | 6 (10) | ||||||
| 6 (11) | 6 (20) | ||||||
| 34 | 3s2 3p2 3d 2D5/2 | 2.4 × 10-11 | 1.6 | 98 | 3.7 × 10-11 | 6.9 | 93 |
| 91 (3) | 83 (3) | ||||||
| 7 (1) | 10 (1) | ||||||
| 39 | 3s2 3p2 3d 2F7/2 | 2.8 × 10-11 | 0.6 | 99 | 4.4 × 10-11 | 4.8 | 95 |
| 92 (3) | 87 (3) | ||||||
| 7 (1) | 8 (1) | ||||||
Notes. The relative populations POP are given as percentages. RD indicates how much of the population is due to radiative decay from higher levels. EXC indicates how much of the population is due to excitation from lower levels. Some fractional contributions are noted (level numbers i in parentheses). DM05 indicates values calculated with the previous ion model, RM4 with the present RM4 ion model. In both cases, the values are calculated at log Ne [cm-3] = 8 and log Te [K] = 6.2.
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