\begin{table}%t1
\caption{\label{tab:cluster_prop}General properties of the galaxy cluster A~697.}
%%\centering

\par
\begin{tabular}{ll}
\hline\hline
\noalign{\smallskip}
RA$_{J2000}$  &  08h42m53.3s \\
Dec$_{J2000}$ & $+$36$^{\circ}$20$^{\prime}$12$^{\prime \prime}$ \\
Bautz-Morgan Class & II--III \\
Richness & 1 \\
$z$ & 0.282  \\
$\sigma_v$  & 1334 km s$^{-1}$\tablefootmark{a} \\
$L_{\rm X[0.1-2.4 ~keV]}$  & $10.57 \times 10^{44}$ erg s$^{-1}$\\
$M_{\rm V}$ &  $2.25 \times 10^{15}~M_{\odot}$\tablefootmark{b}\\
$R_{\rm V}$ &  2.90 Mpc\tablefootmark{b}\\
\hline\smallskip
\end{tabular}
\tablefoot{\tablefoottext{a}{Girardi et~al. (\cite{girardi06});} 
\tablefoottext{b}{Estimated from the $L_{\rm X}$--$M_{\rm V}$ relation, see Eqs.~(6) and~(7) in Cassano et~al. (\cite{cassano06}).}}
\end{table}