\begin{table}%t2 \caption{Number of variables of different types found in the data.} \smallskip {\small \begin{tabular}{lrr} \hline\hline Type of stars & Number & Percentage \\ \hline All stars searched for variability & 50~897 & 100\% \\ \hline All known variables in the field & 352 & 0.692\% \\ \hline All variables detected in our survey & 348 & 0.684\% \\ \hline All eclipsing & 148 & 0.291\% \\ Eclipsing with known period & 121 & \\ Other eclipsing & 27 & \\ \hline Pulsating variables & 153 & 0.301\% \\ $\delta$ Scuti & 99 & 0.195\% \\ Other pulsating & 54 & \\ \hline Other variables & 39 & \\ \hline Stars with flares & 7 & 0.014\% \\ \hline Planetary transits & 2 & 0.004\% \\ \hline Variables not detected (OGLE transits) & 4 & \\ \hline \label{varnumtab} \end{tabular}} \end{table}