\begin{table} %t4
\caption{Cluster structural parameters for NGC~2298.}
\small%\centerline
{
\begin{tabular}{lccc}
\hline\hline
Parameter & Fitted & Literature & Ref.\\ & value & value & \\
\hline
core radius        $r_{\rm c}$      & $0\farcm29$     & $0\farcm34$ & $a$\\
tidal radius       $r_{\rm t}$      & $8\farcm0$      & $6\farcm5$  & $a$\\
half-mass radius   $r_{\rm h}$      & $1\farcm2$      & $0\farcm8$  & $a$\\
central vel. disp. $\sigma_{\rm o}$ & $3.3$~km~s$^{-1}$     & $3.6$~km~s$^{-1}$ & $b$\\
total luminosity   $M_{\rm V}$       & $-6.3$          & $-6.3$      &$a$\\
\hline
\end{tabular}}
\smallskip
$a$: Harris (\cite{Harris1996}).\\
$b$: Webbink (\cite{Webbink1985}).
\label{tab4}
\end{table}