\begin{table}%t1
     %\begin{center}
\par
%\label{tab:fits}
     %\renewcommand{\footnoterule}{}  % to avoid a line before footnotes
\caption{\label{tab1}Results of the spectral fit.} 
\par
\begin{tabular}{ccccccccc}
      \hline\hline
Model& $\Gamma$ & $N_{\rm H}$  & $E_{\rm c}/\xi$ & $\sigma^{a}$ & $EW^b$ & $L$(2--10 keV)$^c$&
$L$(10--30 keV)$^c $&
$\chi^2/$d.o.f.\\ 
 &   & $10^{24}$ cm$^{-2}$ & keV/erg cm s$^{-1}$ & keV & keV & 10~$^{44}$\lum &
10~$^{44}$\lum & \\
\hline
 A &  1.8$^{f}$ & $\rm 4.2^{+2.7}_{-0.9}$ &$\rm 6.67^{+0.05}_{-0.05}$ &  $\rm 0.11^{+0.06}_{-0.06}$ & $\rm 0.60^{+0.12}_{-0.22}$ &  4.0   &3.6& 164/145 \\
 B$^{d}$ &  1.8$^{f}$ & $\rm 3.1^{+1.2}_{-0.4}$ &$\rm 6.66^{+0.04}_{-0.05}$ &  $\rm 0.14^{+0.07}_{-0.06}$ & $\rm 0.86^{+0.24}_{-0.25}$ &  2.1   & 1.9&181/146 \\
 C$^{d}$    &$\rm 1.20^{+0.11}_{-0.04}$   & $\rm 4.1^{+1.3}_{-1.3}$ &$\rm 6.67^{+0.05}_{-0.04}$   &  $\rm 0.12^{+0.06}_{-0
.05}$  &$\rm 0.67^{+0.16}_{-0.15}$ &   1.7  & 3.9& 154/145\\
\par
D$^{d}$   &$\rm 1.87^{+0.11}_{-0.28}$   & $\rm 3.2^{+1.3}_{-0.5}$ &$\rm 1000^{+170}_{-430}$   &  $-$ 
 &$-$ &   2.6  & 2.2& 199/147\\
    \hline
  \end{tabular}
  %\end{center}
  $^a${ The  values of $\sigma$  are the measured  ones, which are not corrected for 
   width of the calibration lines, $\sigma_{\rm lamp}$}. 
   $^b${ The $EW$ is   measured against the total observed continuum}.
   $^c${ The luminosities are  derived from the XIS front illuminated CCDs}.
   $^d${  These models do not include a cold reflected component}.
\end{table}