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Table 1.
Parameters of the spectral fit to the VHE SED obtained with MAGIC data.
Power-law with exponential cutoff:  with the cutoff energy EC given in units of TeV |
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|---|---|---|---|---|---|
| Epoch | f0 | Γ | EC | χ2/d.o.f. | Prob. |
| Low state | 1.14 ± 0.32 | 2.28 ± 0.22 | 0.36 ± 0.11 | 3.7/5 | 0.60 |
| 2017 Jan. 1 | 16.1 ± 2.3 | 2.11 ± 0.14 | 0.56 ± 0.11 | 2.5/5 | 0.78 |
| 2017 Jan. 2–3 | 15.4 ± 4.5 | 1.61 ± 0.25 | 0.25 ± 0.05 | 3.81/4 | 0.43 |
log-parabola:  |
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| Epoch | f0 | Γ | β | χ2/d.o.f. | Prob. |
| Low state | 0.40 ± 0.01 | 3.33 ± 0.04 | 0.40 ± 0.08 | 30.65/5 | 1.1 × 10−5 |
| 2017 Jan. 1 | 9.52 ± 0.48 | 2.77 ± 0.05 | 0.84 ± 0.15 | 7.68/5 | 0.17 |
| 2017 Jan. 2–3 | 4.55 ± 0.29 | 2.98 ± 0.08 | 1.37 ± 0.26 | 7.81/4 | 0.10 |
Notes. The fit range is 64 GeV–2.1 TeV, for 2017 Jan. 1 and for the low state and 64 GeV–1.4 TeV for 2017 Jan. 2–3. The flux normalization f0 is given in units of 10−10 Te V−1 cm−2 s−1. Only statistical errors are given.
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