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Table 4.
MAGIC spectral parameters for epochs of interest obtained from a power-law fit (dN/dE = f0(E/E0)−ΓVHE) between 100 GeV and 2 TeV.
| Epoch | Date | Flux > 300 GeV | f0 | ΓVHE | χ2/d.o.f. | |
|---|---|---|---|---|---|---|
| [10−11 cm−2 s−1] | [10−11 cm−2 s−1 TeV−1] | |||||
| August 6, 2019 | 2.58 ± 0.47 | 3.5 ± 0.6 | 1.9 ± 0.2 | 7.3/3 | ||
| VHE flare period | August 7, 2019 | 1.55 ± 0.38 | 2.3 ± 0.5 | 2.5 ± 0.2 | 7.3/4 | |
| August 8, 2019 | 0.73 ± 0.30 | 1.0 ± 0.4 | 2.5 ± 0.5 | 0.1/1 | ||
| Soft X-ray flare | October 5, 2019 | 0.98 ± 0.31 | 1.3 ± 0.4 | 1.8 ± 0.3 | 3.4/3 | |
| Hard low X-ray state | September 21, 2020 | 0.54 ± 0.23 | 0.5 ± 0.3 | 2.1 ± 0.5 | 3.2/1 | |
| Deep exposure 1 | July 23, 2020 | 0.46 ± 0.16 | 0.7 ± 0.2 | 2.5 ± 0.3 | 7.8/3 | |
| Deep exposure 2 | August 6, 2021 | 0.26 ± 0.12 | 0.3 ± 0.2 | 2.4 ± 0.4 | 1.8/1 | |
| 2020 Average | 0.44 ± 0.06 | 0.7 ± 0.1 | 2.4 ± 0.1 | 6.7/4 | ||
| 2021 Average | 0.21 ± 0.07 | 0.3 ± 0.1 | 2.3 ± 0.4 | 1.5/3 | ||
Notes. The normalisation energy is 500 GeV and the data are corrected for EBL absorption using the EBL template of Domínguez et al. (2011).
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