\begin{table}%t1 \caption{\label{binprop}Binary properties.} \par %\centerline {\small \begin{tabular}{lcccc} \hline\hline Date&Filter & Separation & PA & Mag. diff. \\ & & [$''$] & [deg] & [mag] \\ \hline 2006-01-18 &NACO SDI &$0.993 \pm 0.005$ & $300.1 \pm 0.1$ & $3.80 \pm 0.05 $ \\ 2009-04-11\tablefootmark{1} & SDSS $i'$ &$1.104 \pm 0.002$ & $333.02 \pm 0.08$ & $5.5 \pm 0.3$ \\ &SDSS $z'$&&&$4.8 \pm 0.2$\\ 2010-02-06\tablefootmark{1,2} & SDSS $z'$ &$1.15 \pm 0.02$ & $340.45 \pm 0.15$ & \\ \hline \end{tabular}} \tablefoot{\tablefoottext{1}{Separation and position angle are the mean values of these parameters in $i'$ and $z'$-band.} \tablefoottext{2}{The magnitude difference of this data set was not determined as the seeing was much worse than in the 2009 data.}} \end{table}