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Table 4.
Spectral parameters of the HE γ-ray spectra from Fermi-LAT data.
| Epoch | Time interval | f0 | E0 | Spectral index | f (0.3 − 300 GeV) | TS |
|---|---|---|---|---|---|---|
| [MJD] | [10−7 TeV−1 cm−2 s−1] | [GeV] | α | [10−9 cm−2 s−1] | ||
| E1 | 55131.0–55622.0 | 2.1 ± 0.2 | 3 | 1.64 ± 0.08 | 4.2 ± 0.6 | 336 |
| E2 | 56981.0–56993.0 | 6.1 ± 2.4 | 3 | 1.54 ± 0.25 | 13.9 ± 6.8 | 41 |
| E3 | 58814.0–58826.0 | 7.5 ± 2.4 | 3 | 1.68 ± 0.22 | 20.2 ± 8.7 | 44 |
| E4 | 59197.5–59206.5 | 17.8 ± 4.9 | 3 | 1.58 ± 0.17 | 33.0 ± 0.1 | 84 |
Notes. The TS value is the likelihood test statistic resulting from the fit to the model.
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