Table 2: The comparison of the spectral indices in "broken'' HXR spectra. The low-energy indices $\delta _{\rm low}$ are measured between 10 and 40 keV, while high-energy indices $\delta _{\rm high}$ are measured in the range 80-240 keV.
Flux, erg cm^-2 s^-1 10⁸ 10¹⁰ 10¹²

$\gamma$ $\delta _{\rm low}$ / $\delta _{\rm high}$

3 4.3 4.4 3.1 4.4 1.8 4.4

5 6.1 6.4 4.1 6.4 2.9 6.3

7 7.8 8.3 5.3 8.3 3.9 8.2

**Table 2:** The comparison of the spectral indices in "broken'' HXR spectra. The low-energy indices $\delta _{\rm low}$ are measured between 10 and 40 keV, while high-energy indices $\delta _{\rm high}$ are measured in the range 80-240 keV.
Flux, erg cm^-2 s^-1	10⁸	10¹⁰	10¹²
$\gamma$	$\delta _{\rm low}$ / $\delta _{\rm high}$
3	4.3	4.4	3.1	4.4	1.8	4.4
5	6.1	6.4	4.1	6.4	2.9	6.3
7	7.8	8.3	5.3	8.3	3.9	8.2

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	1 Introduction
	2 The formulation of the problem
	3 Results and discussion
	4 Conclusions
	References
	Online Material