Table 4.
Results of the best fits to the LST-1 and Fermi/LAT data for each peak and model.
| SmoothBPWL | ϕ0 (cm−2 s−1 TeV−1) | Γ1 | Γ2 | Eb (GeV) | γ | –2log L | AIC | BIC |
|---|---|---|---|---|---|---|---|---|
| P1 | (1.27 ± 0.06) ⋅ 10−4 | 1.811 ± 0.013 | 4.09 ± 0.20 | 6.8 ± 1.5 | 3.0 ± 0.4 | 25.5 | 35.5 | 42.8 |
| P2 | (3.21 ± 0.20) ⋅ 10−5 | 1.97 ± 0.03 | 3.15 ± 0.11 | 4.9 ± 0.9 | 1.1 ± 0.3 | 33.2 | 43.2 | 50.5 |
| ExpCutPWL | ϕ0 (cm−2 s−1 TeV−1) | Γ | λ (GeV−1) | β (10−1) | –2log L | AIC | BIC | |
| P1 | (4.5 ± 0.4) ⋅ 10−4 | 1.562 ± 0.015 | 6.0 ± 0.9 | 3.58 ± 0.08 | 35.9 | 43.9 | 49.8 | |
| P2 | (2.8 ± 0.7) ⋅ 10−4 | 1.58 ± 0.03 | 29 ± 16 | 2.56 ± 0.12 | 57.2 | 65.2 | 71.1 | |
| BridgeM | (2.1 ± 0.4) ⋅ 10−4 | 1.42 ± 0.05 | 1.3 ± 0.5 | 4.5 ± 0.3 | 34.4 | 42.4 | 47.1 | |
| BridgeE | (2.1 ± 0.6) ⋅ 10−5 | 1.16 ± 0.09 | 0.8 ± 0.5 | 5.1 ± 0.6 | 31.2 | 39.2 | 43.9 | |
Notes. The fit was performed in the energy range from 100 MeV to 450 GeV (for P1) and 700 GeV (for P2). The statistical tests used to compare the models (i.e., AIC and BIC) are also shown. The reference energy was fixed to E0 = 1 GeV for all the cases. The fits for the bridge region were done between 200 MeV and 200 GeV (see the main text). Only the sub-exponential cutoff model was successfully fit.
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