\begin{table}%t7
\caption{The two absorption components at the redshift of \mrk. For each
component we list the value of the ionization parameter~$\log\xi$, the column density~$N_{\rm H}$ and the outflow velocity~$v_{\rm out}$.}\label{t:abs} 
%\centering
\small
\begin{tabular}{llll}
\hline\hline
&    $\log\xi$     &		$N_{\rm H}$	& $v_{\rm out}$\\
&   erg s cm$^{-1}$&	    $10^{20}~{\rm cm}^{-2}$ & km s$^{-1}$\\	 
\hline
1 & $0.47\pm0.07$      & $1.23\pm0.23$         &$-202\pm50$\\
2 & $2.49\pm0.07$	       &$3.2\pm0.8$	       &$-560\pm130$    \\
\hline
\end{tabular}
\end{table}