\begin{table}%T2
\caption{\label{tab:targeting_flag_values}Targeting flag values.}
\small%\centering
\par
\begin{tabular}{cl}
\hline
\hline
Value & Explanation \\
\hline
1     & Targeted as a candidate~cluster member  \\
2     & Targeted as a field galaxy (filling object)  \\
3     & Serendipitous (not targeted)  \\
4     & Targeted as a star to aid acquisition and to measure seeing  \\
\hline
\end{tabular}
\end{table}