Open Access
Table 7
Indicator energies for flare 2.
| Indicator | Band L | Peak L | Energy | τ (a) |
|---|---|---|---|---|
| [1027 erg s−1] | [1026 erg s−1] | [1029 erg] | [s] | |
| Hα Index | 3.57 | 45.55 | 136.33 | 2993 |
| Hα Broad | 17.41 | 50.12 | 371.98 | ... |
| Hα BW | 3.70 | 9.83 | 11.68 | 1188 |
| Hα RW | 3.62 | 6.27 | 23.20 | 3700 |
| Hα EBW | 3.50 | 3.86 | 1.76 | 458 |
| Hα ERW | 3.49 | 2.65 | 5.40 | 2038 |
| He I D3 | 1.07 | 3.61 | 16.96 | 4697 |
| Na I D1 | 0.42 | 7.70 | 4.93 | 6400 |
| Na I D2 | 0.35 | 7.93 | 5.80 | 7304 |
| Ca II IRT | 6.54 | 5.90 | 34.67 | 5878 |
Notes. (a) e-folding decay time (see Sect. 4.1), Hα broad component does not have a decay value as it does not exhibit an exponential-like decay profile.
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