\begin{table}%t2
\caption{\label{table:exp_statistics}Averaged difference between the experimental and theoretical intensity values for different mask radii. }     
\par
%\centerline
{                          
\begin{tabular}{c c c c c c c c c c c c}        
\hline 
\hline
Mask radius in $\lambda/D$  & $0.294$ & $0.304$ & $0.338$ & $0.359$ & $0.455$ & $0.516$ & $0.645$ & $0.656$ & $0.741$ & $0.851$ & $0.930$\\
\hline
$\overline{\Delta I}$ in stellar magnitudes & $0.12$  & $0.21$  & $0.06$  & $0.07$  & $0.07$  & $0.09$  & $1.67$  & $1.72$  & $1.54$  & $1.54$  & $1.66$\\
\hline
\end{tabular}}
\medskip
\par
We exclude the central peak values from the averages.
\end{table}