\begin{table}%t1
%\centering
\par
\caption{\label{tab:tabsources}Properties of the A2218~PACS sources detection.}
\begin{tabular}{llc}
\hline \hline\noalign{\smallskip}
& 100~$\mu$m & 160~$\mu$m   \\
\hline
PSF $FHWM$ (arcsec) & 7.5 & 11.0 \\
\hline
1$\sigma$ average sensitivity (mJy) & 0.92 & 1.61 \\
1$\sigma$ central sensitivity (mJy) & 0.6 & 1.2 \\
\hline
number of detected sources ($>$3$\sigma$) &  98 & 94 \\
number of lensed sources ($>$3$\sigma$) &  70 & 78 \\
\hline
lensed sources with spectroscopic redshift & 9& 13   \\ 
lensed sources with photometric redshift & 20 &17   \\ 
\hline
\end{tabular}\vspace{-3mm}
\end{table}