\begin{table}%t3 \caption{\label{table:TB} Fit parameters of the time-averaged BAT and XRT burst \mbox{spectra}.} %\centerline {\begin{tabular}{ccccc} \noalign{\smallskip} \hline \hline \noalign{\smallskip} $\Delta$T & $L_{\rm bol}$ & $kT_{\rm bb}$ &$R_{\rm bb}$ & $\chi^{2}$/d.o.f.\\ (s) & (10$^{38}$ erg s$^{-1}$) & (keV) & (km) & --\\ \hline \noalign{\smallskip} 25$^{a}$ & 2.8~$\pm$~0.8 & 2.54~$\pm$~0.33 & 9.3~$\pm$~2.5 & 6.9/7\\ 40$^{a}$ & 3.8~$\pm$~0.9 & 2.68~$\pm$~0.21 & 9.7~$\pm$~2.5 & 4.9/7\\ 22$^{a}$ & 3.4~$\pm$~0.6 & 2.68~$\pm$~0.35 & 10.5~$\pm$~2.5 & 10.1/7\\ 10 & 1.0~$\pm$~0.1 & 1.83~$\pm$~0.14 & 10.7~$\pm$~1.2 & 54.8/51\\ 10 & 0.82~$\pm$~0.09 & 1.81~$\pm$~0.14 & 9.9~$\pm$~1.1 & 39.2/43\\ 10 & 0.63~$\pm$~0.07 & 1.65~$\pm$~0.14 & 10.5~$\pm$~1.3 & 43.4/37\\ 10 & 0.58~$\pm$~0.07 & 1.70~$\pm$~0.15 & 9.5~$\pm$~1.3 & 45.3/33\\ 10 & 0.42~$\pm$~0.05 & 1.46~$\pm$~0.12 & 10.8~$\pm$~1.5 & 38.5/28\\ 10 & 0.41~$\pm$~0.05 & 1.52~$\pm$~0.14 & 9.9~$\pm$~1.4 & 27.0/26\\ 10 & 0.38~$\pm$~0.05 & 1.46~$\pm$~0.16 & 10.3~$\pm$~1.8 & 19.4/24\\ 10 & 0.33~$\pm$~0.05 & 1.43~$\pm$~0.16 & 9.9~$\pm$~1.8 & 33.4/22\\ 10 & 0.29~$\pm$~0.04 & 1.36~$\pm$~0.19 & 10.5~$\pm$~2.3 & 26.7/19\\ 10 & 0.30~$\pm$~0.04 & 1.29~$\pm$~0.13 & 11.8~$\pm$~2.1 & 26.4/21\\ 50 & 0.22~$\pm$~0.01 & 1.23~$\pm$~0.06 & 11.1~$\pm$~0.9 & 109.4/87\\ 50 & 0.17~$\pm$~0.01 & 1.19~$\pm$~0.06 & 10.4~$\pm$~1.1 & 70.7/70\\ 50 & 0.13~$\pm$~0.01 & 1.08~$\pm$~0.06 & 11.0~$\pm$~1.2 & 50.3/59\\ 50 & 0.11~$\pm$~0.01 & 1.00~$\pm$~0.06 & 11.7~$\pm$~1.6 & 53.0/50\\ 100 & 0.077~$\pm$~0.009 & 0.98~$\pm$~0.06 & 10.4~$\pm$~1.4 & 100.1/75\\ 100 & 0.054~$\pm$~0.007 & 1.00~$\pm$~0.09 & 8.3~$\pm$~1.6 & 45.1/61\\ 100 & 0.042~$\pm$~0.007 & 0.96~$\pm$~0.11 & 7.9~$\pm$~1.9 & 60.3/52\\ 100 & 0.033~$\pm$~0.009 & 1.00~$\pm$~0.16 & 6.4~$\pm$~2.0 & 38.2/45\\ 130 & 0.026~$\pm$~0.009 & 0.89~$\pm$~0.14 & 7.3~$\pm$~2.4 & 49.4/52\\ \hline \end{tabular} } \par \smallskip $^{a}$BAT spectrum. \end{table}