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Table 1

Spectral fit parameters for the H.E.S.S. and Fermi-LAT plus H.E.S.S. data sets.

Data χ2 /ndof Γ Φ0 (1 TeV) EcEb
×10−14 TeV cm-2 s-1
H.E.S.S. PL 3.9/2 2.32 ± 0.22 13.1 ± 4.3
Fermi-LAT + H.E.S.S PL 8.2/6 2.13 ± 0.05 9.7 ± 1.6
Fermi-LAT + H.E.S.S ECPL 6.4/5 2.08 ± 0.06 12.3 ± 2.9 Ec = 19 TeV
           
Fermi-LAT + H.E.S.S BPL 4.2/4 1.47 ± 0.43 2.31 ± 0.14 12.8 ± 2.9 Eb = 24 GeV

Notes. PL stands for “power law”, ECPL for “power law with an exponential cutoff”, and “BPL” for “broken power law” (see text for details).

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