\begin{table}%T2 \caption{\label{tab:logobs}Log of WDS observations between 1889 and 1968 followed by the AO observations using PUEO at CFHT between June 2004 and November 2007.} \small%\centerline { \begin{tabular}{l c c c c} \hline \hline Date & $\rho$ & $\theta$ & Contrast & Band\\ & [\arcsec] & [\degr] & [mag] & \\ \hline 1889.37 & $3.62$ & $43.9$ & & \\ 1892.38 & $3.79$ & $47.0$ & & \\ 1898.46 & $3.37$ & $49.2$ & & \\ 1898.63 & $3.71$ & $46.9$ & & \\ 1958.58 & $3.42$ & $51.7$ & & \\ 1968.72 & $2.92$ & $59.9$ & & \\ \hline 2004-06-28 & $2.510\pm 0.021$ & $67.37\pm 0.48$ & $4.6\pm 0.1$ & \ion{Fe}{ii}\\ 2007-11-16 & $2.369\pm 0.005$ & $69.02\pm 0.11$ & $4.6\pm 0.1$ & \ion{Fe}{ii}\\ \hline \end{tabular}} \smallskip In the case of WDS data the uncertainties are unknown. \end{table}