Table 4.
FFDs: Results.
| Cluster | Tmin | Tmax | n* | nflares | α | logβ | logβ2 | logEmin |
|---|---|---|---|---|---|---|---|---|
| M 44 | 3000 | 7000 | 766 | 155 | 2.21 ± 0.02 | 40.14 ± 0.70 |  |
32.89 |
| M 44 | 3000 | 3249 | 206 | 22 | 2.05 ± 0.02 | 34.50 ± 0.90 |  |
33.05 |
| M 44 | 3250 | 3499 | 164 | 55 | 2.13 ± 0.05 | 37.50 ± 1.79 |  |
32.76 |
| M 44 | 3500 | 3749 | 152 | 88 | 2.02 ± 0.03 | 34.00 ± 1.00 |  |
32.56 |
| M 44 | 3750 | 4000 | 47 | 13 | 2.01 ± 0.07 | 33.39 ± 2.61 |  |
32.60 |
| M 45 | 3000 | 7000 | 737 | 596 | 2.16 ± 0.01 | 39.03 ± 0.53 |  |
32.93 |
| M 45 | 3000 | 3249 | 224 | 94 | 2.05 ± 0.01 | 34.89 ± 0.65 |  |
32.68 |
| M 45 | 3250 | 3499 | 195 | 262 | 2.14 ± 0.02 | 38.37 ± 0.92 |  |
32.77 |
| M 45 | 3500 | 3749 | 130 | 179 | 2.37 ± 0.03 | 46.13 ± 1.21 |  |
32.88 |
| M 45 | 3750 | 4000 | 47 | 53 | 2.15 ± 0.06 | 39.07 ± 2.20 |  |
32.99 |
Notes. Power law parameters to the FFDs as in Eq. (12). n*, nflares: number of stars and flares in the respective Tmin − Tmax bins. We note that the numbers in nflares partly do not sum up, because the median flare energy thresholds in each Teff bin vary slightly. The largest bin also overlaps with the 250 K bins. β2 indicates a least-square fit with α ≡ 2. Emin designates the low-energy detection threshold derived from synthetic flare injection.
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