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Table 1.
Atomic data for a collection of Fe I lines in the NUV.
| λ [nm] | Lower level | Lower level | El [eV] | Upper level | Upper level | Eu [eV] | log(gf) | eff. Landé |
|---|---|---|---|---|---|---|---|---|
| configuration | term | configuration | term | g-factor | ||||
| 271.90 | 3d6 4s2 | 5D4 | 0.00 | 3d6 4s 4p | 5P°3 | 4.56 | 0.042 | 1.26 |
| 296.69 | 3d6 4s2 | 5D4 | 0.00 | 3d7 4p | 5F°5 | 4.18 | -0.404 | 1.25 |
| 358.12 | 3d7 4s | 5F5 | 0.86 | 3d7 4p | 5G°6 | 4.32 | 0.406 | 1.16 |
| 371.99 | 3d6 4s2 | 5D4 | 0.00 | 3d6 4s 4p | 5F°5 | 3.33 | -0.432 | 1.20 |
| 373.49 | 3d7 4s | 5F5 | 0.86 | 3d7 4p | 5F°5 | 4.18 | 0.317 | 1.41 |
| 373.71 | 3d6 4s2 | 5D3 | 0.05 | 3d6 4s 4p | 5F°4 | 3.37 | -0.574 | 1.14 |
| 382.04 | 3d7 4s | 5F5 | 0.86 | 3d7 4p | 5D°4 | 4.10 | 0.119 | 1.21 |
| 385.99 | 3d6 4s2 | 5D4 | 0.00 | 3d6 4s 4p | 5D°4 | 3.21 | -0.710 | 1.50 |
| 404.58 | 3d7 4s | 3F4 | 1.48 | 3d7 4p | 3F°4 | 4.55 | 0.280 | 1.25 |
| 406.36 | 3d7 4s | 3F3 | 1.56 | 3d7 4p | 3F°3 | 4.61 | 0.062 | 1.09 |
| 407.17 | 3d7 4s | 3F2 | 1.61 | 3d7 4p | 3F°2 | 4.65 | -0.022 | 0.68 |
Notes. These lines appear to be strong and broad in the solar spectrum and are likely chromospheric. The energy levels and log(gf) were taken from NIST. The effective Landé g-factors were extracted from the VALD database. The empty circles indicate odd-parity terms.
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