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Table 1
Emission lines studied in our paper.
| Line | λair (Å) | Transition | El (eV) | Formation regions |
|---|---|---|---|---|
| Hα | 6562.81 | 2P0–3S,D | 10.199 | Flares, facules |
| CaII (K) | 3933.66 | 42S1∕2–42P |
0.0 | Chromosphere |
| CaII (H) | 3968.47 | 42S1∕2–42P |
0.0 | Chromosphere |
| He5876 | 5875.64 | 23P0–33D | 20.964 | Flares, transition zone |
| He4026 | 4026.19 | 23P0–53D | 20.964 | Flares, transition zone |
| Hɛ | 3970.72 | 2P0–7S,D | 10.199 | Flares |
| NaI (D1) | 5889.95 | 32S1∕2 –32P |
0.0 | Chromosphere |
| NaI (D2) | 5895/92 | 32S1∕2 –32P |
0.0 | Chromosphere |
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