\begin{table}%t2
%\centering
\par
\caption{Summary  of the results  obtained for  the population  of red dwarf microlenses towards  the LMC for an age  of the halo of 14~Gyr,  different  model initial mass functions, and several 
 magnitude cuts.}\label{tab2}
\begin{tabular}{lrrrrrrrr}
\hline \hline
\multicolumn{1}{c}{\ } & \multicolumn{4}{c}{Standard} & \multicolumn{4}{c}{AL}  \\
\hline
Magnitude & 17.5     & 22.5     &  27.5    & 32.5     & 17.5      & 22.5     & 27.5     & 32.5      \\
\cline{2-5} \cline{6-9}
$\langle N_{\rm WD}\rangle$                             & $0\pm 1$ & $0\pm 1$ & $0\pm 1$ & $0\pm 1$ & $0\pm  1$ & $0\pm 1$ & $0\pm 0$ & $0\pm  0$ \\  
$\langle m \rangle$ $(M/M_{\sun})$                      & 0.324    & 0.228    & 0.119    & 0.092    & 0.747     & 0.622    & --      & --       \\ 
$\langle \mu\rangle$ $(^{\prime\prime}~{\rm yr}^{-1})$ & 0.018    & 0.011    & 0.006    & 0.005    & 0.010     & 0.002    & --      & --      \\
$\langle d\rangle$ (kpc)                                & 2.89     & 4.88     & 8.27     & 10.20    & 5.15      & 17.59    & --      & --      \\ 
$\langle V_{\rm tan}\rangle$ $({\rm km~s}^{-1})$       & 242      & 244      & 254      & 235      & 246       & 180      & --      & --      \\
$\langle\hat{t}_{\rm E}\rangle  $ (d)                   & 41.2     & 48.5     & 41.3     & 43.3     & 98.2      & 158.0    & --     & --      \\
$\langle \tau/\tau_0\rangle$                            & 0.130    & 0.118    & 0.096    & 0.070    & 0.091     & 0.125    & --     & --       \\
\hline
\end{tabular}
\end{table}