\begin{table}%t1
%\centering
\par
\caption{Summary  of the  results  obtained for  the entire  simulated population of  microlenses in the  direction of the LMC  for a halo age of 14~Gyr, different model initial mass functions,
 and several magnitude cuts.}\label{tab1}
\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} 
$\langle N_{\rm WD}\rangle$ & $0\pm1$ & $0\pm1$ & $0\pm1$ & $0\pm1$ & $3\pm2$ & $2\pm1$ & $1\pm1$ & $0\pm1$  \\ 
$\langle m \rangle$  $(M/M_{\sun})$ & 0.421   & 0.411   & 0.427   & 0.443   & 0.638   & 0.636   & 0.640   & 0.684    \\  
$\langle\mu\rangle$  $(^{\prime\prime}~{\rm yr}^{-1})$ & 0.020   & 0.017   & 0.008   & 0.004   & 0.036   & 0.025   & 0.011   & 0.003    \\ 
$\langle {\rm d}\rangle$ (kpc) & 2.48    & 3.79    & 6.62    & 13.08   & 1.39    & 2.15    & 5.13    & 19.6     \\  
$\langle V_{\rm  tan}\rangle$ $({\rm km~s}^{-1})$      & 240     & 247     & 262     & 241     & 240     & 252     & 263     & 261      \\ 
$\langle\hat{t}_{\rm E}\rangle $ (d) & 41.2    & 49.3    & 63.3    & 82.8    & 34.7    & 46.6    & 76.4    & 126.8    \\  
$\langle \tau/\tau_0  \rangle$ & 0.283   & 0.214   & 0.139   & 0.055   & 0.302   & 0.204   & 0.140   & 0.129    \\ 
\hline
\end{tabular}
\end{table}