\begin{table}%t3
%\centering
\par
\caption{Fit results for $E_{\rm x}\geq 0.8$~keV with various spectral models for the continuum including a power law, the {\it sresc} model with and without 
one or two Gaussian lines.\label{tab3}}
\begin{tabular*}{142mm}{llccccc@{\extracolsep\fill}} \hline\hline
 &  & Ph. index, or &$N_{\rm H}$ & Radio index &  $\chi$$^2$ (d.o.f.) & ${{\chi}^2}_{\nu}$  \\
\par
 \raisebox{1.5ex}[0pt]{Region} &  \raisebox{1.5ex}[0pt]{Model}& ${\nu}_{\rm rolloff}$, Hz &(10$^{22}$ cm$^{-2}$) & $\alpha$ at 1 GHz&  & \\
\hline
 NW rim  & {\it powerlaw} & 2.60  & 0.496 & -- & 166.64 (173) & 0.963 \\
 NW rim  & {\it sresc} & (2.2$^{+0.4}_{-0.2}$)~$\times$~10$^{17}$  & 0.389 & 0.24 & 157.76 (172) &  0.917 \\
 NW rim  & {\it sresc+Gauss} & 2.20~$\times$~10$^{17}$  & 0.389 & 0.24 & 147.06 (170) & 0.865 \\
 NW rim  & {\it sresc+2Gauss} & 2.20~$\times$~10$^{17}$  & 0.389 & 0.24 & 145.04 (170) & 0.853 \\
 Southern rim  & {\it sresc} & (2.6$^{+0.6}_{-0.4}$)~$\times$~10$^{17}$  & 0.414 & 0.31 & 230.707 (225) & 1.025 \\
 \hline
\end{tabular*}
\end{table}