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Table 1.

Best-fit results for the spectral VHE gamma-ray distribution of the high state of M 87.

Model −2lnℒ ϕ0 Γ β Ref. energy Energy range
PLxEBL finke2022 30.68 4.7 ± 0.3 1.81 ± 0.08 1.96 0.3–10
LPxEBL finke2022 18.69 6.0 ± 0.5 1.76 ± 0.10 0.38 ± 0.13 1.96 0.3–10

PLxEBL kneiske 36.23 3.7 ± 0.2 1.94 ± 0.06 2.15 0.3–32
LPxEBL kneiske 16.86 4.8 ± 0.4 1.81 ± 0.08 0.29 ± 0.07 2.15 0.3–32

PLxEBL finke2022 34.38 3.8 ± 0.2 1.92 ± 0.06 2.15 0.3–32
LPxEBL finke2022 17.04 4.9 ± 0.4 1.80 ± 0.08 0.27 ± 0.08 2.15 0.3–32

PLxEBL dominguez-upper 31.28 3.9 ± 0.2 1.88 ± 0.06 2.15 0.3–32
LPxEBL dominguez-upper 18.20 4.9 ± 0.4 1.79 ± 0.08 0.25 ± 0.08 2.15 0.3–32

Notes. We compared the PL and the respective LP best-fit spectral model for the reduced energy range and for the full energy range for each EBL model considered. The energy range is given in TeV and ϕ0 is given in units of 10−13 cm−2 s−1 TeV−1. The decorrelation energy of the PL spectral model was used as the reference energy, given in TeV in the table.

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