\begin{table}%t1
\caption{IRAC/{\it Spitzer} photometry (magnitudes) of
  $\sigma$~Orionis planetary-mass candidates with infrared excesses.}
\label{phot}
%\centering
\small          
\begin{tabular}{lcccccccc}
\hline\hline    
Object                    & Sp.T.   & $J$                & [3.6]              & [4.5]              & [5.8]              & [8.0]             & $I-J$            &  $J-K_{\rm s}$          \\
\hline						S~Ori 54                 & M9.5    & 18.00 $\pm$ 0.05 & 16.01 $\pm$ 0.15 & 15.97 $\pm$ 0.16 & 15.26 $\pm$ 0.32 &14.45 $\pm$ 0.52 &3.31 $\pm$ 0.06 &                   \\
S~Ori 55                 & M9      & 18.22 $\pm$ 0.10 & 16.61 $\pm$ 0.12 & 16.27 $\pm$ 0.13 & 15.60 $\pm$ 0.37 &14.87 $\pm$ 0.38 &3.30 $\pm$ 0.10 & 1.22 $\pm$ 0.14 \\
S~Ori J053956.8$-$025315 &         & 18.27 $\pm$ 0.08 & 16.55 $\pm$ 0.13 & 16.48 $\pm$ 0.22 & 15.88 $\pm$ 0.46 &14.45 $\pm$ 0.33 &2.98 $\pm$ 0.08 & 1.09 $\pm$ 0.10 \\
S~Ori 56                 & L1/L0.5 & 18.44 $\pm$ 0.10 & 16.10 $\pm$ 0.09 & 15.89 $\pm$ 0.10 & 15.37 $\pm$ 0.29 &14.86 $\pm$ 0.39 &3.30 $\pm$ 0.11 & 1.35 $\pm$ 0.14 \\
S~Ori 58                 & L0      & 18.60 $\pm$ 0.10 & 16.49 $\pm$ 0.11 & 16.40 $\pm$ 0.14 & 15.77 $\pm$ 0.44 &14.86 $\pm$ 0.55 &3.32 $\pm$ 0.11 & 1.73 $\pm$ 0.14 \\
S~Ori J053858.6$-$025228 &         & 18.61 $\pm$ 0.08 & 16.29 $\pm$ 0.11 & 15.97 $\pm$ 0.13 & 15.83 $\pm$ 0.50 &$\ge$15.15         &3.58 $\pm$ 0.09 & 1.32 $\pm$ 0.10 \\
S~Ori 60                 & L2/L5.5 & 19.05 $\pm$ 0.10 & 16.47 $\pm$ 0.11 & 16.59 $\pm$ 0.18 & $\ge$16.0          &14.85 $\pm$ 0.42 &3.47 $\pm$ 0.11 & 1.75 $\pm$ 0.14 \\
\hline    
\end{tabular}
\end{table}