\begin{table}%t1
\caption{\label{tab1}Luminous mass, star formation efficiency and time of formation for all the models.}
%\centering
\small
\begin{tabular}{ccccc}
\hline
\hline
Model & $M_{\rm lum}$ [$M_{\odot}$] & $\nu$ & $\tau$ [Gyr] & $t_{\rm form}$ [Gyr] \\
\hline
&&&& \\[-8pt]
1 & $1.32 \times 10^{11}$ & 10 & 0.4 & 0.4 \\
2 & $1.08 \times 10^{11}$ & 10 & 0.4 & 0.3\\
3 & $1.32 \times 10^{11}$ & 10 &     & 4.0 \\
\hline
\end{tabular}
\end{table}