\begin{table}%t2 \caption {\label{orbits:2}Journal of NACO observations. } %\centerline {\begin{tabular}{cccccl}\hline\hline\noalign{\smallskip} Year & Band & $f_{\rm NW}/f_{\rm SE}$ & PA [$^{\circ}$] & $d$ [\arcsec{}] \\ \hline 2002/12/05 & $L$ & 49.57 $\pm$ 0.15& & \\ 2002/12/05 & $J$ & 0.94 $\pm$ 0.01& 309.90 & 0.107 \\ 2002/12/05 & $K\rm s$ & 3.97 $\pm$ 0.01& 311.9 & 0.102 \\ 2005/02/16 & $K\rm s$ & 4.7 $\pm$ 0.01& 311.43 & 0.098 \\ 2005/02/16 & $H$ & 2.79 $\pm$ 0.01& 310.98 & 0.114 \\ 2005/02/16 & NB2.17&4.34 $\pm$ 0.05& 314.74 & 0.104 \\ 2006/03/13 & NB2.12&3.63 $\pm$ 0.01& 311.93 & 0.101 \\ 2006/03/13 & NB2.17&3.42 $\pm$ 0.01& 312.43 & 0.101 \\ \hline \end{tabular}} \tablefoot {The position angle is given with respect to the SE component. For the $L$-band data the angular separation and position angle was set to a fixed value to obtain a reliable flux ratio.} \end{table}