\begin{table}%t1
\caption{\label{tbl:muevol}Approximations to the mass lost by stellar evolution 
for ${\it GALEV}$ cluster models with a Salpeter~IMF of $\alpha=-2.35$, 
$0.15 < M_* < 85~\Msun$ and $0.0004<Z<0.05$.}
%\centering
\par
\begin{tabular}{llll}
\hline \hline 
$Z$  & $a_{\rm ev}$ & $b_{\rm ev}$  & $c_{\rm ev}$\\
 \hline 
0.0004 & 7.06 & 0.265 & $-1.790$   \\
0.0040 & 7.06 & 0.260 & $-1.800$   \\
0.0080 & 7.03 & 0.260 & $-1.800$   \\
0.0200 & 7.00 & 0.255 & $-1.805$   \\
0.0500 & 7.00 & 0.250 & $-1.820$   \\
\hline
\end{tabular}
\end{table}