\begin{table}%t5
\caption{\label{t:abs} Best fit parameters for the absorbed spectrum as measured by RGS and \epi.}
%\centerline
{\begin{tabular}{llll}
\hline
\hline\noalign{\smallskip}
Comp. & Param. & RGS & PN \\
\hline
1 	& 	$N_{\rm H}$ 	&	$0.7\pm0.2$ & $1.5\pm0.5$ \\		
	&	log$\xi$	&	$0.8\pm0.3$ &$1.1\pm0.3$ \\
	&	$v_{\rm out}$	&	$-300\pm150$ & --300 fix. \\
2	&	$N_{\rm H}$	&	$3\pm1$ & $4\pm1$ \\	
	&	log$\xi$	&	$2.6\pm0.1$ & $1.8\pm0.1$ \\
	&	$v_{\rm out}$	&	$-400\pm150$ & --400 fix. \\
\hline
\end{tabular}}
\par
\tablefoot{For each component we list the 
column densities ($N_{\rm H}$) in units of $10^{20}$~cm$^{-2}$, ionization parameter (log~$\xi$) 
and outflow velocities ($v_{\rm out}$, in km~s$^{-1}$).}
\end{table}