b}}=23\pm6$ km s$^{-1}$, $b_{\textrm{th}}=0$ km s$^{-1}$. The dashed curves show the $1\sigma$ errors.[]{data-label="fig5"}](fig5.eps){width="85mm"}

Spectral energy distribution {#sec3p3}
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[ l | r r c c c c c ]{}

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Extinction & Model & & $E(B-V)$ & & $\beta_1$ & $\beta_2$ & $E_{\textrm{break}}$\

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type & & & (mag) & ($10^{22}$ cm$^{-2}$)& & & (keV)\

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& PL & 517.2\[39\] & $0.10\pm0.01$ & $<0.03$ & $0.82\pm0.02$ & - & -\
SMC&BPL& 191.6\[37\] & $0.06\pm0.01$ & $0.38^{+0.19a}_{-0.17}$ & $0.71\pm0.02$ & $1.59\pm0.11$ & $1.40^{+0.09}_{-0.13}$\
& TBPL & 232.0\[38\] & $0.07\pm0.01$ & $0.27^{+0.18}_{-0.17}$ & $\Gamma_2-0.5$ & $1.23\pm0.02$ & $1.16^{+0.10}_{-0.12}$\
& & & & & & &\
& PL & 434.9\[39\] & $0.17\pm0.02$ & $<0.22$ & $0.91\pm0.02$ & - & -\
LMC & BPL & 194.4\[37\] & $0.10\pm0.02$ & $0.48^{+0.19}_{-0.18}$ & $0.77\pm0.03$ & $1.59^{+0.11}_{-0.10}$ & $1.41^{+0.10}_{-0.12}$\
& TBPL & 238.7\[38\] & $0.10\pm0.02$ & $0$ & $\Gamma_2-0.5$ & $1.28\pm0.03$ & $1.32\pm0.11$\
& & & & & & &\
& PL & 546.9\[39\] & $0.21\pm0.02$ & $<0.25$ & $0.91\pm0.03$ & - & -\
MW & BPL & 265.0\[37\] & $<0.02$ & $0.20^{+0.18}_{-0.16}$ & $0.63^{+0.03}_{-0.01}$ & $1.59\pm0.11$ & $1.39^{+0.09}_{-0.12}$\
& TBPL & 323.1\[38\] &$0.05\pm0.03$ & $0$ & $\Gamma_2-0.5$ & $1.20\pm0.03$ & $1.20\pm0.10$\
& & & & & 