\begin{table}%t4
%\centering
\par
\caption{Summary  of  the  results  obtained  for  the  simulation  of microlenses towards the LMC for the EROS experiment for an age of the halo of 14~Gyr, different model initial mass functions, and  several magnitude cuts.}\label{tab4}
\small \begin{tabular}{lrrrrrr}
\hline 
\hline 
\multicolumn{1}{c}{\ } & \multicolumn{3}{c}{Standard} & \multicolumn{3}{c}{AL} \\ 
\hline Magnitude & 17.5      & 22.5     & 27.5      & 17.5      & 22.5      & 27.5      \\ 
\cline{2-4} 
\cline{5-7}
$\langle N_{\rm WD}\rangle$                            & $0 \pm 1$ & $0\pm 1$ & $0 \pm 1$ & $1 \pm 1$ & $1 \pm 1$ & $1 \pm 1$ \\ 
$\langle m \rangle$ $(M/M_{\sun})$                     & 0.385     & 0.384    & 0.427     & 0.633     & 0.637     & 0.637     \\  
$\langle\mu\rangle$ $(^{\prime\prime}~{\rm yr}^{-1})$ & 0.020     & 0.013    & 0.009     & 0.028     & 0.022     & 0.011     \\ 
$\langle {d}\rangle$ (kpc)                               & 2.49      & 4.26     & 6.55      & 1.83      & 2.39      & 5.27      \\ 
$\langle V_{\rm tan}\rangle$ $({\rm km~s}^{-1})$      & 241       & 269      & 267       & 242       & 250       & 266       \\ 
$\langle \hat{t}_{\rm E}\rangle$ (d)                   & 38.3      & 45.0     & 54.7      & 42.6      & 50.0      & 75.6      \\  
$\langle\tau/\tau_0\rangle$                            & 0.558     & 0.695    & 0.163     & 0.839     & 0.628     & 0.488     \\ 
\hline 
\end{tabular}
\end{table}