\begin{table}%t4 \caption{\label{tab:2_spots2}Parameters of the 2 spots found by the parametric fit.} %\centerline {\small \begin{tabular}{lcccl} \hline\hline Parameter & Param-T1 & Param-T2 \\ \hline RRA-cen & $6.5 \pm 1.5$ & --$6.2 \pm 1.5$\\ RDEC-cen & $6.8 \pm 1.5$ & --$8.0 \pm 1.5$ \\ UD diameter in mas & 11 & $0.02 \pm 1$ \\ Amplitude &$2 \pm 1$ & $2 \pm 1$ \\ (\% the max) & & & & \\ \hline \end{tabular}} \medskip Spots are modeled as uniform disks. \end{table}