\begin{table}%T3
\caption{\label{tab:optical}Parameters of the fit of the optical afterglow light curve
(Fig.~\ref{opticalLC}).}
\small%\centerline
{ 
\begin{tabular}{ll}
\hline\hline
Parameter	& Value\\
\hline
  $\alpha_{\rm R}$	& $-0.70 \pm 0.15$\\
$\alpha_1$		& $ 0.89 \pm 0.04$\\
  $\alpha_2$	& $ 2.58 \pm 0.15$\\
$t_{\rm 1} \ \rm (days)$& $0.0044 \pm 0.0007$\\
  $t_2 \ \rm (days)$& $0.27 \pm 0.02$\\
$n_1$			& 2.5\\
  $n_2$		& 10\\
$\chi^2/{\rm d.o.f.}$	& $21.00/32=0.66$\\
\hline
\end{tabular}}
\smallskip
 The slope $\alpha_R$ describes the rising part of the light curve,
$(t_1, n_1$) and $(t_2, n_2)$ describe the two breaks. 
\end{table}