\begin{table}%t3 \par \caption {\label{fitxmm}Best fit parameters for the broand band ${\it Suzaku}$ (photoionization scenario) and XMM-$Newton$ spectra. } %\centerline {\begin{tabular}{cccccccc} \hline\hline & $\Gamma_{\rm s}$ & $\Gamma_{\rm h}$ & $N_{\rm H}$ & $R$ & $E_{\rm line}$ & {\it EW} & $\chi^2_r$/d.o.f. \\ & & & (10$^{23}$ cm$^{-2}$) & & (keV) & (eV) & \\ \hline ${\it Suzaku}$ & $1.71\pm0.12$ & (=$\Gamma_{\rm s}$) & $\rm 3.33^{+0.17}_{-0.15}$ & $\rm 1.28^{+0.81}_{-0.56}$ & $6.397\pm0.009$ & $218\pm 24$ & 1.16/219 \\ XMM-$Newton$ & $2.49\pm0.23$ & $\rm 1.62^{+0.11}_{-0.23}$ & $\rm 1.76^{+0.13}_{-0.21}$ & $<$2.1 & $6.44\pm0.05$ & $133\pm 63$ & 1.21/70 \\ \hline \end{tabular}} \par \smallskip Note: from left to right: the indices of the soft ($\Gamma_{\rm s}$) and hard ($\Gamma_{\rm h}$) power laws; the column density of the intrinsic absorber; the relative normalization of the Compton reflection component, $R$; the centroid energy, $E_{\rm line}$ and equivalent width ({\it EW}) of the iron line; the reduced $\chi^2$ and the d.o.f. \end{table}