\begin{table}%T3
\caption{\label{t3}Means of various models compared with the mean of the sample (in mas).}
 %\centering
\par
\begin{tabular}{lcccccc}
\hline\hline
& Initial $\mu $ & GL & GV without def & GV with def & MF & GLD \\ \hline
$\Delta \alpha \cos \delta $ & 11.4 & 15.0 & 14.8 & 14.9 & 13.5 & 15.0 \\ 
$\Delta \delta $ & $-46.0$ & 0.5 & 0.6 & $-46.8$ & 0.5 & $-46.0$ \\ 
\hline
\end{tabular}
\end{table}