\begin{table}%T3
\caption{\label{tab:fit1}Best fit parameters for an absorbed power-law model fitted simultaneously to the three EPIC spectra on the
point-like and extended sources. }
\small%\centering
\par
\begin{tabular}{cccl}
\hline \hline \noalign{\smallskip} 
    Parameter   &    Point &Extended& Unit\\
\hline\noalign{\smallskip} 
    $N_{\rm H}$                         &$\rm 13_{-4}^{+6}$            &$\rm 11_{-2.7}^{+2.2}$   &$10^{22}$ cm$^{-2}$\\
    $\Gamma $                 &$\rm 2.6_{-0.8}^{+1.3} $   &$\rm 3.4_{-0.8}^{+0.6} $   &\\
    $F_{\rm 2{-}10~keV}$   &$\rm 2.3_{-1.0}^{+0.3} $   &$\rm 4.3 _{-0.4}^{+0.8} $  &$\rm 10^{-13}$ erg cm$^{-2}$ s$^{-1}$\\
    $\chi^2_\nu$               &1.8                                 &1.9              &\\
\hline 
\end{tabular}
\tablefoot{Reported errors correspond to ${1\sigma}$ uncertainties (68\%). The 2$-$10~keV fluxes are corrected for the absorption.}
\end{table}