\begin{table}%t1
\caption{\label{tab:images}Properties of the images used in this study.}
\par
%\centering
\small
\begin{tabular}{ccccccrrrr}
\hline
\hline
Field & $u_{\rm lim}$ & $g_{\rm lim}$ & $r_{\rm lim}$ & $i_{\rm lim}$ & $z_{\rm lim}$ & No. of $u$-d$r$. & No. of $g$-d$r$. & No. of $r$-d$r$. & Area\\
      & [$\rm mag_{AB}$] & [$\rm mag_{AB}$] & [$\rm mag_{AB}$] & [$\rm mag_{AB}$] & [$\rm mag_{AB}$] &  &  &  & [sq. arcmin.]\\[1pt]
\hline
D1 & 29.4 & 29.8 & 29.6 & 29.5 & 28.2 & 11~206 &    9410 &    2552 &    2989\\
D2 & 29.1 & 29.5 & 29.5 & 29.4 & 28.3 &    5652 &    9277 &    2742 &    2598\\
D3 & 29.3 & 29.8 & 29.7 & 29.5 & 28.2 & 10~957 & 10~118 &    2638 &    2968\\
D4 & 29.2 & 29.7 & 29.6 & 29.3 & 28.2 &    6403 &    7421 &    2550 &    2856\\
\hline
Total                       & & & & & & 34~218 & 36~226 & 10~482 & 11~411\\
\hline
\end{tabular}
\end{table}