\begin{table}%t1
\caption{Summary of cluster data.\label{table1}}
%\centerline
{\begin{tabular}{lcccccc} 
\hline\hline
Cluster & $z$ & $\beta$ & $T_{\rm X}$ & $r_{\rm c} $ & 
$\bar{\Sigma}(350~ h^{-1}~ {\rm kpc})$ & 
$\zeta _{\rm c}(350~ h^{-1}~ {\rm kpc})$\\
 & & & (keV) & ($h^{-1}$ kpc) & ($\times 10^{14} h ~{M}_\odot /{\rm Mpc}^2$) & \\[0.5ex]\hline
\object{MS 0015.9$+$1609} & $0.547^{\rm a}$ & $0.728^{+0.025{\rm b}}_{-0.022}$ & $7.55^{+0.72{\rm b}}_{-0.58}$ & $182^{+12{\rm b}}_{-10}$ & $\rm 7.8^{+0.8}_{-0.7}$ & $0.111\pm 0.025$ \\
\object{MS 0451.6$-$0305} & $0.539^{\rm c}$ & $0.780^{+0.028{\rm d}}_{-0.025}$ & $10.6^{+1.6{\rm d}}_{-1.3}$ & $151^{+8{\rm d}}_{-7}$ & $\rm 12.2^{+1.9}_{-1.5}$ & $0.191\pm 0.025$ \\
\object{MS 1054.4$-$0321} & $0.833^{\rm e}$ & $0.96^{+0.48{\rm f}}_{-0.22}$ & $10.5^{+3.4{\rm g}}_{-2.1}$ & $285^{+118{\rm f}}_{-67}$ & $\rm 12.5^{+7.4}_{-3.8}$ & $0.220\pm 0.034$\\
\object{MS 1137.5$+$6625} & $0.783^{\rm a}$ & $0.70^{+0.27{\rm c}}_{-0.09}$ & $5.7^{+1.3{\rm c}}_{-0.7}$ & $67^{+33{\rm c}}_{-16}$ & $\rm 6.3^{+2.8}_{-1.3}$ & $0.156\pm 0.036$\\
\object{MS 2053.7$-$0449} & $0.586^{\rm a}$ &     & $8.1^{+3.7{\rm h}}_{-2.2}$ & & & $0.076\pm 0.023$\\
\object{RXJ 1716.4$+$6708} & $0.809^{\rm i}$ & $0.42^{+0.09{\rm i}}_{-0.05}$ & $5.7^{+1.4{\rm i}}_{-0.6}$ & $43\pm24^{\rm i}$ & $\rm 3.8^{+1.3}_{-0.07}$ & $0.138\pm 0.039$\\ \hline
\end{tabular}}
\smallskip
a: \citet{LU95.1}, b: \citet{HU98.1}, c: \citet{YE96.1}, d: \citet{DO03.1},
e: \citet{TR99.1}, f: \citet{NE00.1}, g: \citet{JE01.1}, h: \citet{HE00.1},
i: \citet{GI99.1}.
\end{table}