\begin{table}%t1
\caption{\label{clusters}Properties of the two galaxy clusters. $L_{\rm X, 0.1-2.4}$ is the luminosity in the 0.1--2.4~keV band and $R_{\rm vir}$ is the virial radius.} 
%\centerline
 {\small \begin{tabular}{lccccccl}
\hline \hline\noalign{\smallskip}
Cluster & $M_{\rm tot}$ [$M_{\rm sun}$] & $L_{\rm X, 0.1-2.4}$ [erg~s$^{-1}$] & $T$ [keV] & $R_{\rm vir}$ [Mpc] & Redshift & Distance [Mpc] & Refs. \\ 
\hline\noalign{\smallskip}
Abell~496 & $3.1\times 10^{14}$ & $1.9\times 10^{44}$ & 4.7 & 1.4 & 0.033 & 134 & a, b \\
Abell~85 & $7.6\times 10^{14}$ & $4.8\times 10^{44}$ & 7 & 1.9 & 0.055 & 220 & a, c \\
\hline
\end{tabular}}
\medskip
References: a)~Reiprich \& B\"ohringer (\cite{reiprich02}); b) Markevitch et~al. (\cite{markevitch99}); c) Durret et~al. (\cite{durret05}).
\end{table}