Fig. 5

Gamma-ray spectrum for Cas A. The IC (solid line) and bremsstrahlung (dashed line) spectra are estimated for the whole remnant when parameters are based on S-region of the shell. Bremsstrahlung spectrum is calculated for nH = 10 cm-3. The thick solid line corresponds to total contribution to gamma-rays from leptons. The parameters for radio-emitting electrons are α = 2.54,γmax = 3.2 × 107.
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