\begin{table}%t1 \par \caption{\label{fit}Best fit parameters for the baseline model, for $E>4$ keV. } %\centerline {\begin{tabular}{ccccccccc} \hline\hline & $\Gamma$ & $N_{\rm H}$ & $R$ & $E_{\rm line}$ & $F_{\rm line}$ & {\it EW} & $\chi^2_r$/d.o.f. & Flux (XIS0; 4--10 keV) \\ & & (10$^{23}$ cm$^{-2}$) & & (keV) & 10$^{-5}$ ph cm$^{-2}$ s$^{-1}$ & (eV) & & 10$^{-12}$ erg cm$^{-2}$ s$^{-1}$ \\ \hline Total & $1.87\pm0.18$ & $\rm 3.30^{+0.22}_{-0.23}$ & $\rm 2.0^{+1.7}_{-0.9}$ & $6.398\pm0.009$ & $\rm 4.34^{+0.55}_{-0.53}$ & $206\pm 26$ & 0.91/150 & 4.26 \\ & & & & & & & & \\ Low & $1.90\pm0.33$ & $\rm 3.23^{+0.51}_{-0.66}$ & $\rm 3.0^{+9.8}_{-2.1}$ & $\rm 6.389^{+0.018}_{-0.024}$ & $\rm 3.90^{+0.91}_{-0.86}$ & $228\pm 53$ & 1.00/62 & 3.53 \\ & & & & & & & & \\ High & $1.87 \pm0.22$ & $\rm 3.26^{+0.29}_{-0.28}$ & $\rm 1.6^{+1.9}_{-0.9}$ & $\rm 6.404^{+0.010}_{-0.015}$ & $\rm 4.65^{+0.76}_{-0.72}$ & $200\pm 33$ & 0.99/111 & 4.77 \\ \hline \end{tabular}} \par \smallskip \par Note: from left to right: the index of the power-law ($\Gamma$); the column density of the intrinsic absorber; the relative normalization of the Compton reflection component, $R$; the centroid energy, $E_{\rm line}$, flux, $F_{\rm line}$, and equivalent width ({\it EW}) of the iron line; the reduced $\chi^2$ and the d.o.f. \end{table}