\begin{table}%t5 \caption{Spitzer IRAC photometry (mag) of LOri-MAD sources \label{table_spitzer}} \par %\centerline {\small \begin{tabular}{lcccc} \hline\hline Name & 3.6~$\mu$m & 4.5~$\mu$m &5.8~$\mu$m & 8.0~$\mu$m \\ \hline LOri-MAD-1 & 17.67~$\pm$~0.08 & ... & ... & ... \\ LOri-MAD-4 & 15.84~$\pm$~0.02 & 16.00~$\pm$~0.03 & ... & ... \\ LOri-MAD-6 & 17.64~$\pm$~0.07 & ... & ... & ... \\ LOri-MAD-8 & 17.42~$\pm$~0.03 & ... & ... & ... \\ LOri-MAD-14 & 13.42~$\pm$~0.02 & 13.09~$\pm$~0.01 & 13.26~$\pm$~0.03 & 13.83~$\pm$~0.08 \\ LOri-MAD-16 & ... & 16.83~$\pm$~0.07 & ... & ... \\ \hline \end{tabular}}\medskip \par Note -- Uncertainties correspond to the measurement uncertainties. Zeropoint uncertaintes as given in the text should be added quadratically. \end{table}