\begin{table}%t7
%%%\centering


\par
\caption{\label{summary} Summary of source properties. }
\begin{tabular}{lcccccccc}
 \hline \hline
\multicolumn{1}{c}{Source} & \multicolumn{1}{c}{type} &
\multicolumn{1}{c}{$z$} & \multicolumn{1}{c}{$m_{V}$} &
\multicolumn{1}{c}{$\alpha _{\rm ox}$} &
\multicolumn{1}{c}{$\Gamma$} & \multicolumn{1}{c}{$L_{\rm 2-10~keV}$} &
\multicolumn{1}{c}{$N_{\rm H}$} & \multicolumn{1}{c}{$\chi^2_{\rm red}$/d.o.f.} \\
\multicolumn{1}{c}{  } & \multicolumn{1}{c}{ } & \multicolumn{1}{c}{ }
&\multicolumn{1}{c}{ } & \multicolumn{1}{c}{ (1) } &\multicolumn{1}{c}{  (2)  } &
\multicolumn{1}{c}{[$\times 10^{47}$ erg/s]} & \multicolumn{1}{c}{ (3)}
&\multicolumn{1}{c}{ } \\
\noalign{\smallskip} \hline \noalign{\smallskip}
 PKS 2149$-$306& RL  & 2.34 &
   18.5 & 0.95  & $1.53\pm 0.02$ & 1.03 &  0.294 & 1.08/528 \\
 PKS 2126$-$158 & RL & 3.27 & 17.0 & 1.11 &
   $1.51\pm0.02$ & 1.97 & 1.1 & 0.98/492 \\
 Q 1442$+$2931& RQ  & 2.64 & 17.0 & 1.70
   & $1.92\pm 0.07$ & 0.06 &  galactic & 0.87/105 \\
 Q 0000$-$263& RQ  & 4.10 &
   18.0 & 1.78 & $2.19\pm 0.12$ & 0.05 &  galactic & 0.91/64 \\
\hline
\end{tabular}
\begin{flushleft}
 The errors given are at the 90\% level.\\
 $^{(1)}$ Estimated error of $\la$5\%.\\
 $^{(2)}$ Power law slope  of fit to PN data with free absorption.\\
 $^{(3)}$ Fitted  absorption in units of 10$^{21}$~cm$^{-2}$. 
 \end{flushleft}
\end{table}