\begin{table}%t4
\caption{\label{tab4}Emission lines detected in the \textit{XMM-Newton} EPIC spectrum.}
\par
\small%\centerline
 {
\begin{tabular}{l c c c}      
\hline\hline     
Energy                 & Intensity            & $P_{\rm F}$     & Tentative~IDs \\
\hline                
%&&&&  \\[-8pt]
$0.71\pm0.03$            &$\rm 7.89^{+2.8}_{-4.6}$    &$>$$99.8 \%$  &OVII RRC, Fe XVII 3s-2p\\
$\rm 0.93^{+0.03}_{-0.05}$   &$\rm 5.23^{+3.1}_{-4.8}$    &$>$$99 \%$	 &Ne IX rif\\			     $\rm 1.26^{+0.04}_{-0.17}$   &$2.35\pm2.2$	       &$>$$88 \%$    &Mg XI He$\alpha$\\
\hline  
\end{tabular}}
\medskip
$E_{\rm c}$ is the centroid line energy (keV) in the source rest frame; $F$~is the line flux in units of 10$^{-6}$~photons~cm$^{-2}$~s$^{-1}$; $P_{\rm F}$~is the significance of the fit improvement after including the Gaussian line in the model, based on the F-test.
\end{table}