\begin{table}%T4
\caption{\label{tab4}Photometric parameters of SN~2003du.}
%\centerline
{\begin{tabular}{lrrrrr}
\hline\hline
Data & \multicolumn{1}{c}{$U$} & \multicolumn{1}{c}{$B$} & \multicolumn{1}{c}{$V$} & 
\multicolumn{1}{c}{$R$} & \multicolumn{1}{c}{$I$} \\
\hline
Epoch of max\rlap{*} &~$765.0\pm 1.0$ &~$766.3\pm 0.5$ &~$767.3\pm 0.5$ &
$766.6\pm 0.5$ &~$764.4\pm 0.5$\\
Magnitude at max &~$13.06\pm 0.03$ &~$13.53\pm 0.02$ &~$13.61\pm 0.02$ &
$13.61\pm 0.02$ &~$13.85\pm 0.02$\\
Early decline rate$^{\dagger}$ & 12.0 & 10.6 & 4.5 &\\
Decline rate days 100-300$^{\dagger,+}$ & & 1.45 & 1.51 & 1.66 & 1.07\\
$\Delta m_{15}(B)$ & &~$1.04\pm 0.03$ & \\
\\
Colours at $B$ max & & \multicolumn{1}{c}{$U-B$} & \multicolumn{1}{c}{$B-V$} & 
\multicolumn{1}{c}{$V-R$} & \multicolumn{1}{c}{$R-I$}\\
                 & &~$-0.47\pm 0.04$ &~$-0.085\pm 0.03$ &~$-0.017\pm 0.03$ &
$-0.274\pm 0.03$\\
\hline
\end{tabular}}
\smallskip
$^{*}$ JD 2~452~000+.\\
$^{\dagger}$  mag (100~d)$^{-1}$. \\
$^+$ Days since B maximum. 
\end{table}