\begin{table}%t7
\caption {\label{tab_spitzer}IRAC and MIPS/24~$\mu$m magnitudes and SED slope ($\alpha_{[K \& 24~\rm \mu m]}$) 
for the 10 objects showing IR excess emission at 24~$\mu$m identified in this work.}
\small
%\centerline
 {\begin{tabular}{ccccccccc}  
\hline\hline
ID  & Designation & Status$^\wedge$ & IRAC/3.6~$\mu$m & IRAC/4.5~$\mu$m & IRAC/5.8~$\mu$m  & IRAC/8.0~$\mu$m  & MIPS/24~$\mu$m  & $\alpha_{[K_{\rm S} \& 24~\mu \rm m]}$  \\
\noalign{\medskip}
\hline
\noalign{\medskip}
1  & WFI~J08403964-5250429	  & HR-C    & 14.26~$\pm$~0.01 & 14.02~$\pm$~0.01 & 14.13~$\pm$~0.08 & 14.11~$\pm$~0.13 & 11.07~$\pm$~0.25 &  --1.63  \\ 
30 & WFI~J08404683-5302487	  & M	    & 15.76~$\pm$~0.04 & 15.61~$\pm$~0.06 & 15.92~$\pm$~0.34 & 15.90~$\pm$~0.98 & 10.71~$\pm$~0.18 &  --0.89  \\ 
%4  & WFI~J08405518-5257227	  & HR-C    &  9.73~$\pm$~0.01 &  9.82~$\pm$~0.01 &  9.76~$\pm$~0.01 &  9.73~$\pm$~0.01 &  9.44~$\pm$~0.07 &  -2.81  \\  
31 & WFI~J08410019-5249088	  & IR-C    & 12.46~$\pm$~0.01 & 12.54~$\pm$~0.01 & 12.47~$\pm$~0.02 & 12.39~$\pm$~0.04 & 10.31~$\pm$~0.14 &  --2.07  \\ 
7  & WFI~J08410886-5248387	  & HR-C, X  & 12.32~$\pm$~0.01 & 12.21~$\pm$~0.01 & 12.22~$\pm$~0.02 & 12.10~$\pm$~0.03 & 11.42~$\pm$~0.47 &  --2.45  \\ 
32 & WFI~J08412176-5247289	  & M	    & 15.58~$\pm$~0.03 & 15.59~$\pm$~0.05 & 15.26~$\pm$~0.23 & 16.88~$\pm$~1.60 & 11.41~$\pm$~0.32 &  --1.44  \\ 
33 & WFI~J08412550-5300154$^\dag$ & IR-C    & 15.88~$\pm$~0.05 & 15.93~$\pm$~0.06 & --    	    & --	     & 10.54~$\pm$~0.17 &  --0.96  \\ 
34 & WFI~J08413601-5309274	  & M	    & 12.35~$\pm$~0.01 & 12.24~$\pm$~0.01 & 12.14~$\pm$~0.02 & 12.17~$\pm$~0.03 & 11.44~$\pm$~0.30 &  --2.46  \\ 
35 & WFI~J08413888-5259492	  & IR-C    & 13.70~$\pm$~0.01 & 13.58~$\pm$~0.02 & 13.28~$\pm$~0.05 & 12.95~$\pm$~0.06 &  9.86~$\pm$~0.09 &  --1.34  \\ 
36 & WFI~J08414904-5255192	  & IR-C    & 14.07~$\pm$~0.02 & 13.83~$\pm$~0.02 & 13.44~$\pm$~0.06 & 13.03~$\pm$~0.06 & 10.20~$\pm$~0.15 &  --1.26  \\ 
37 & WFI~J08415780-5252140	  & M	    & 10.18~$\pm$~0.01 & 10.22~$\pm$~0.01 & 10.17~$\pm$~0.01 & 10.10~$\pm$~0.01 &  9.73~$\pm$~0.15 &  --2.71  \\ 
\hline
\end{tabular}}
\par
\smallskip
$^\wedge$ \footnotesize {M = confirmed cluster member; HR-C = member candidate according to the location on the HR diagram; 
X~=~X-ray sources \citep{Mar05}; IR-C: young stellar object candidate according to the IR properties (Sect.~\ref{sel_debris}).}\\
$^\dag$ \footnotesize {Flux at~5.8 and 8~$\mu$m not available.}\\
\end{table}