\begin{table}%t1
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\par
%\centering
\par
\caption{\label{photom} Summary of astrometric, photometric and redshift measures.}
\begin{tabular}{l l l l l l l}
\hline
\hline
& A & B & G \\
\hline
$\Delta \alpha$ ($''$) &  0 & $-1.156 \pm 0.001$ &  $-0.780\pm0.001$ \\
$\Delta \delta$ ($''$) &  0 & $-0.398\pm0.002$ &  $-0.246\pm0.002$ \\
\hline
$z$ &  $1.294 \pm 0.008$ & $1.294\pm0.008$ &  $0.317\pm0.001$ \\
\hline 
$F160W$ &  $16.24 \pm 0.02$ & $17.02\pm0.02$ &   $16.88\pm0.05$ \\
\hline
\end{tabular}
\end{table}