\begin{table}%t2
\caption{\label{table:btab2}Parameters of the Intermediate long-burst.} 
%\centerline
 {\begin{tabular}{ll} 
\hline \hline 
\noalign{\smallskip} 
$F_{\rm peak}^{a}$ (erg~cm$^{-2}$ s$^{-1}$) &$ 8.2\pm2 \times10^{-8}$ \\ 
$f_{\rm b}^{b}$ (erg~cm$^{-2}$)  & $7.6\pm0.3\times10^{-6}$ \\ 
$\tau \equiv f_{\rm b}/F_{\rm peak}$ (s)  & $92\pm22$ \\ 
$\gamma  \equiv F^{c}_{\rm pers}/F_{\rm peak}$ & $2.2\pm0.5\times10^{-2}$\\ 
\hline 
\end{tabular} }
\par
\smallskip
 $^{a}$~Unabsorbed flux (0.1--100~keV). 
 $^{b}$~Net burst fluence (0.1--100~keV). 
 $^{c}$~Unabsorbed persistent flux $F_{\rm
  pers}=(1.8\pm0.2)\times 10^{-9}$~erg~cm$^{-2}$~s$^{-1}$ (0.1--100~keV).  
\end{table}