\begin{table}%t1
\caption {\label{cfhtls_t4}CFHTLS: Terapix T0004 release (July 2007).}
%\centerline
 {\begin{tabular}{lccccc}
\hline\hline
{\bf Deep fields} & \multicolumn{5}{c}{\bf AB Magnitudes Limits}\\
& $u^*$&$g'$&$r'$&$i'$&$z'$\\
\noalign{\smallskip}
D1-25 & 26.7 & 27.5 & 27.5 & 27.3 & 26.0\\
D2-25 & 25.6 & 27.3 & 27.3 & 27.0 & 25.6\\
D3-25 & 26.6 & 27.5 & 27.4 & 27.2 & 26.1\\
D4-25 & 26.9 & 27.5 & 27.5 & 27.1 & 26.0\\
D1-25 seeing & 0.93 & 0.93 & 0.75 & 0.74 & 0.71\\
D2-25 seeing & 0.83 & 0.83 & 0.77 & 0.71 & 0.72\\
D3-25 seeing & 0.89 & 0.89 & 0.77 & 0.73 & 0.64\\
D4-25 seeing & 0.86 & 0.86 & 0.77 & 0.72 & 0.71\\
\noalign{\medskip}
{\bf Wide fields} & \multicolumn{5}{c}{\bf AB Average Magnitudes Limits}\\
\noalign{\medskip}
W1  & 25.8 & 26.5 & 26.0 & 25.8 & 25\\
W2  & 25.8 & 26.5 & 26.0 & 25.8 & 25\\
W3  & 25.8 & 26.5 & 26.0 & 25.8 & 25\\
W4  & 25.8 & 26.5 & 26.0 & 25.8 & 25\\
\noalign{\smallskip}
W1 area (unmasked) & \multicolumn{5}{c}{44 (39) deg$^2$}\\
W2 area (unmasked) & \multicolumn{5}{c}{~20 (~16) deg$^2$}\\
W3 area (unmasked) & \multicolumn{5}{c}{40 (~34) deg$^2$}\\
W4 area (unmasked) & \multicolumn{5}{c}{16 (~13) deg$^2$}\\
\noalign{\smallskip}
\hline
\end{tabular}}
\par
\smallskip
{{For a point source $S/N = 5$ ($AB$ to Vega $u^*-0.35$, $g'+0.09$, $r'-0.17$, $i'-0.40$, $z'-0.55$)}}
\end{table}