Table 3
Model parameters for reproducing the observed spectra.
| Model | Source | αe | Ec,e [TeV] | We [erg] | B[μG] | αp | Ec,p [TeV] | Wp [erg] | Ngas[cm−3] | χ2/ndf |
|---|---|---|---|---|---|---|---|---|---|---|
| Leptonic | Head | 2.6 | 360 | 1.4 × 1047 | 3 | – | – | – | – | 5.0/7 |
| Tail | 2.6 | 120 (1200)(†) | 1.6 × 1047 | 3 | – | – | – | – | 103.1/31 (≫ 1)(†) | |
| Hadronic | Head | 2.5 | 60 | 1.8 × 1046 | 10 | 1.7 | 60 | 8.9 × 1045 | 100 | 5.3/7 |
| Tail | 2.5 | 35 | 2.0 × 1046 | 10 | 1.7 | 1000 | 8.2 × 1045 | 200 | 39.9/31 | |
Notes. α and Ec are the power-law index and the cutoff energy of the particle spectrum, respectively. W is the total energy of particles with energy above 1 GeV. The subscript e and p denote electrons and protons. B is the magnetic-field strength in unit of μG. Ngas is the target gas density in unit of cm−3. (†)In the top-right panel of Fig. 5, the model curve using the value in the parentheses is shown with the dashed line.
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