\begin{table}%t2
\caption{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.}\label{tab2}
%\centering
\par
\begin{tabular}{ccccccc}
\hline\hline
{\small Flux, erg cm}$^{-2}${\small \ s}$^{-1}$ & \multicolumn{2}{c}{10$^8$}
& \multicolumn{2}{c}{10$^{10}$} & \multicolumn{2}{c}{10$^{12}$} \\ \hline
$\gamma $ & \multicolumn{6}{c}{$\delta _{\rm low}$ / $\delta _{\rm high}$} \\ 
\hline
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 \\ 
\hline
\end{tabular}
\end{table}