\begin{table}%t4
%\centering
\par
\caption{Spectral and temporal parameters at different epochs and energy ranges. }
\par
\begin{tabular}{ccccccc}
\hline \hline
Epochs           & Instrument & Energy range & Decay Index & Spectral Index  \\
 $T-T_{\rm trig}$ (s)     &            &              &		   &  	          \\
\hline
 28--50           &  BAT & 15--150 keV       & 	--     &  --   \\
 50--60           &  BAT & 15--150 keV     & 	--     & $0.3\pm0.2$ \\
\hline
28--75		 & TAROT  &  $R$-band    & $2.4\pm0.2$    &     --               \\
75--26~000	 & TAROT+MITSUME+RTT  &  $R$-band      & $1.18\pm0.05$  &     --                \\
%		 & +ZTSh  &       &   &                  &    \\
\par
\hline
85--200		 & UVOT  &   $V$-band    & $1.2\pm0.4$    &     --               \\
\hline
A(87--150 s)       & XRT/WT  & 0.3--10 keV  &  $3.8\pm0.5$   & $1.0\pm0.2$ \\
B(150--1000 s)      & XRT/WT+PC& 0.3--10 keV   &  $1.25\pm0.15$ & $1.2\pm0.2$ \\
C(4350--6800 s)     & XRT/PC  & 0.3--10 keV    &  $0.6\pm0.2$   & $1.3\pm0.2$   \\
D(9930--185~650 s)  & XRT/PC  & 0.3--10 keV    &  $1.4\pm0.1$   & $1.1\pm0.1$   \\
\hline
\end{tabular}
\label{xaft}
\end{table}