\begin{table}%T1
%\centering
\small
\caption{Summary table of T0001 D1, D3 and D4 deep stacks used in this
work. Magnitudes are instrumental AB.  Details on magnitude, aperture,
seeing and completeness definitions are given in the explanatory page
{\tt http://terapix.iap.fr/article.php?id\_article=383}.}
\label{tablestack}
\begin{tabular}{lccc}
\hline\hline
 & D1 & D3 & D4 \\
\hline
RA (J2000) &  02:25:59 &  14:19:27 &  22:15:31 \\
Dec (J2000) &  --04:29:40 & +52:40:56 & --17:43:56 \\
Effective FOV (deg$^2$) &  0.80 &  0.77 &  0.77 \\
\hline
Exp. time $u^*$ (s) &  10560 &  4620 &  16680 \\
Median seeing $u^*$ (arcsec) &  1.15 &  0.88 &  1.05 \\
Completeness $u^*$ 50\% (mag) &  26.4 &  26.0 &  26.2 \\
\hline
Exp. time $g'$ &  7515 &  8010 &  11250 \\
Median seeing $g'$ (arcsec) &  0.98 &  0.95 &  0.99 \\
Completeness $g'$ 50\% (mag) &  26.4 &  26.5 &  26.2 \\
\hline
Exp. time $r'$ &  17280 &  20820 &  26400 \\
Median seeing $r'$ (arcsec) &  0.87 &  0.93 &  0.85 \\
Completeness $r'$ 50\% (mag) &  26.1 &  26.4 &  25.9 \\
\hline
Exp. time $i'$ &  52000 &  59640 &  58800 \\
Median seeing $i'$ (arcsec) &   0.88 &  0.92 &  0.88 \\
Completeness $i'$  50\% (mag) &  26.1 &  26.2 &  25.8 \\
\hline
Exp. time $z'$ &  12240 &  15120 & -- \\
Median seeing $z'$ (arcsec) &   0.86 &  0.85 & -- \\
Completeness $z'$ 50\% (mag) &  24.5 &  24.6 & -- \\
\hline
\end{tabular}
\end{table}