\begin{table}%t3
%\centering
\par
\caption{Flux and power law statistic of \object{Crab} dataset. Fluxes in the 10--100~keV energy band are expressed in erg~cm$^{-2}$~s$^{-1}$~units.
\label{Table_Crab_stat}}
\footnotesize {
\begin{tabular}{c|cc|cc}
\hline\hline
& \multicolumn{2}{c}{Detection coordinates} & \multicolumn{2}{c}{Catalogue coordinates} \\
\hline
& \multicolumn{4}{c}{FLUX} \\
\hline
Coded fraction & Mean & rms & Mean & rms \\  
\hline
$>$0 & 2.28E-08 & 7.7\% & 2.28E-08 & 8.1\% \\  
$>$0.1 & 2.28E-08 & 5.0\% & 2.28E-08 & 5.9\% \\  
\hline
& \multicolumn{4}{c}{{PHOTON INDEX}} \\
\hline
$>$0 & 2.14 & 0.09 & 2.14 & 0.11 \\   
$>$0.1 & 2.14 & 0.07 & 2.14 & 0.08 \\  
\hline
\end{tabular}}
\end{table}