\begin{table}%t3
\centering
\caption{\label{algos}Matching error (in arcsec) and detection method for ACIS-S and ACIS-I simulated observations.}
   \small
\begin{tabular}{lcccc}
\hline\hline
Field  & Camera & Method & $\sigma_{\rm frame}$ & rms \\
\hline
\rxzeroquatre & ACIS-S& {\em celldetect} & 0.164  &     0.032\\
\rxzeroquatre & ACIS-S& {\em wavdetect} & 0.184   &    0.038\\
\rxzerohuit & ACIS-I& {\em celldetect} & 0.134    &   0.022\\
\rxzerohuit & ACIS-I& {\em wavdetect} & 0.128     &  0.019\\
\hline
\end{tabular}
\par
\end{table}