Table 5
Overlapping N iii and O iii resonance lines around 374 Å.
| Transition(s) | λ | Low | gl | Up | gu | gf | Ratio |
| (Å) | |||||||
|
|
|||||||
| N iii (packed) | 2p 2P° | 6 | 3d 2D | 10 | 2.5 | ||
| N iii coupl. comp. | 374.434 | 2p 2P |
4 | 3d 2D5/2 | 6 | 1.5 | 0.60 |
|
|
|||||||
| O iii (packed) | 2p23P | 9 | 3s 3P° | 9 | 0.72 | ||
| O iii coupl. comp. | 374.432 | 2p23P2 | 5 | 3s 3P |
3 | 0.06 | 0.14 |
Notes. Packed levels/transitions and overlapping (“coupled”) ones. “low” = lower term/level, “up” = upper term/level, gl and gu corresponding statistical weights. “Ratio” indicates the opacity ratio between overlapping and packed lines. Individual components at 374.20...374.44 Å for N iii (3 components) and at 373.80...374.43 Å for O iii (6 components). Note that 0.01 Å correspond to 8 km s-1. Data from NIST database.
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