\begin{table}%t3
      %\centering
\par
      \caption{\label{t3}Timescales for the three models at their initial
      configuration.}
      \begin{tabular}{llll}
      \hline\hline
      & $\tau_{\mbox{\tiny dyn}} = R_{\mbox{\tiny cl}}/c_{\mbox{\tiny cl}}$
      & $\tau_{\mbox{\tiny KH}}$ %(Eq.~\ref{kh})
      & $\tau_{\mbox{\tiny eva}}=M/\dot{m}$ \\
      Model
      & Myr
      & Myr
      & Myr \\  \hline
      U & $16.2$ & -- & 279 \\
      E & $1.95$ & -- & 77.1 \\
      K & $0.84$ & 0.45 & 3.56 \\
      \hline
      \end{tabular}
      \end{table}