\begin{table}%t2 
      \caption{Photometric errors.}
      \small%\centering
\par
         \begin{tabular}{llll}
            \hline\hline
\multicolumn{1}{c}{Name}&
\multicolumn{1}{c}{Err~Aper}&
\multicolumn{1}{c}{Err~Best}&
\multicolumn{1}{c}{Err~Col }\\
\hline 
 A~2658  & 0.007 & 0.008 & 0.028\\
 A~1643  & 0.005 & 0.006 & 0.033 \\
 A~1878  &0.007 & 0.008 & 0.052 \\
 A~2111  & 0.007 & 0.009 & 0.045\\
 A~1952  & 0.006 & 0.007 & 0.040\\
\hline
         \end{tabular}
\label{tab:allerr}
   \end{table}