\begin{table}%t3
\caption{\label{table3}Measurements of times of steepest rise for four bursts.}
%\centering
\small
\begin{tabular}{c c c c c}
\hline \hline
Burst & Time of steepest& 1$\sigma$ error & Slope   & 1$\sigma$ error \\
number & rise (min)     & (min)           & (Jy/min)& (Jy/min)\\
\hline
1            & 60.624                &  0.068          &   0.706 & 0.158\\
2           & 137.848                &  0.060          &   0.828 & 0.175\\   
4           & 291.704                &  0.065          &   0.724 & 0.138\\      
5           & 368.776                &  0.065          &   0.743 & 0.150\\
\hline
\end{tabular}
\end{table}