\begin{table}%t2
\caption{Observation log, with the projected baseline lengths and angles. The diameter for the calibrator used is taken from the CHARM~catalogue (Richichi \& Percheron \cite{Richichi02}).}
\label{table2}
%\centering
\small
\begin{tabular}{ccccccc} 
\hline \hline
Date       & Obs. time & Baselines & Length & PA & Calibrator & $\phi_{\rm cal.}$\\
\hline
   & (UTC)        &    & (m) & ($^\circ$) & &    (mas)    \\   24/12/2005   & 08:46 &   UT2-4 (B$_0$)  & 80.9 & 39 & HD124454 &  $1.52\pm 0.02$\\
   &  &  UT2-3 (B$_1$)& 46.4 & 19 &  & \\
   &  &  UT3-4 (B$_2$)& 52.5 & 81 &  & \\
   25/12/2005   & 09:40 &  UT2-4 (B$_3$)& 84.6 & 52 & HD124454  &   $1.52\pm 0.02$\\
\hline
\end{tabular}
\end{table}