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Table 2.

Fitting parameters of the HE γ-ray and X-ray spectra from Fermi-LAT and Swift-XRT during the highest VHE-flux nights 2016.

Time Flux (a) in 0.3–300 GeV Flux (b) at 1.96 GeV Γ
(cm−2 ⋅ s−1) (MeV−1 ⋅ cm−2 ⋅ s−1)

Fermi-LAT 21:00 12th–09:00 14th June
(MJD 57551.875–57553.375) (9.6 ± 3.0)×10−8 (9.7 ± 2.9)×10−12 1.56 ± 0.20
Time Flux (c) in 2–10 keV Flux (c) in 0.5–5 keV Γ χ2/d.o.f
(erg ⋅ cm−2 ⋅ s−1) (erg ⋅ cm−2 ⋅ s−1)

02:47–03:57 13th June
Swift-XRT (MJD 57552.116–57552.165) 0.921

02:18–02:33 14th June
(MJD 57553.096–57553.106) 1.11

Notes. The fit function is PL defined in Sect. 2.1. The normalization energy is fixed at 1.96 GeV for the LAT and at 1 keV for the XRT.

(a)

Integral photon flux.

(b)

Differential flux density.

(c)

Integral energy flux.

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