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Table 4

Best-fit model parameters obtained for βX,opt = βX   ϵ    [1.05;1.25] i.e., the interval of the theoretically expected X-ray photon index for an electron spectral index p ~ 2.1−2.5 and νc < νX.

Epoch Extinction curve βX,opt A3000

0.47 days SMC 0.92 0.60
MEC 1.19 0.69 1.68 0.81
Calzetti 1.22 0.99 1.35 0.74
MECatt 1.25 1.39 2.60 0.92
SN-type 0.02 0.02

1.25 days SMC 0.07 0.02
MEC 0.09 0.04
Calzetti 0.08 0.03
MECatt 0.11 0.04
SN-type 0.11 0.04

3.4 days SMC 0.13 0.12
MEC 0.30 0.26
Calzetti 0.22 0.20
MECatt 0.46 0.37
SN-type 0.04 0.04

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