\begin{table}%T1 \caption{\label{phot}Optical and infrared magnitudes of \sax.} %\centering \par \begin{tabular}{lcccc} \hline \hline \multicolumn{5}{c}{Optical} \\ \hline Date &$B$ &$V$ &$R$ &$I$ \\ \hline 08/06/03 &15.34~$\pm$~0.02 &14.22~$\pm$~0.02 &13.48~$\pm$~0.02 &$-$\\ 24/08/03&15.36~$\pm$~0.03 &14.27~$\pm$~0.02 &13.59~$\pm$~0.03 &12.87~$\pm$~0.03 \\ \hline \multicolumn{5}{c}{Infrared} \\ \hline Date &$J$ &$H$ &$K$ &\\ \hline 24/08/03 & 11.97~$\pm$~0.03 & 11.42~$\pm$~0.03 & 11.20~$\pm$~0.03 \\ 27/08/03 & 11.38~$\pm$~0.03 & 10.90~$\pm$~0.03 & 10.67~$\pm$~0.03 \\ 05/12/03 & 11.41~$\pm$~0.03 & 10.97~$\pm$~0.03 & 10.75~$\pm$~0.03 \\ 04/01/04 & 11.40~$\pm$~0.04 & 10.96~$\pm$~0.05 & 10.75~$\pm$~0.04 \\ 07/01/04 & 11.40~$\pm$~0.04 & 10.94~$\pm$~0.04 & 10.71~$\pm$~0.03 \\ \hline \end{tabular} \end{table}