\begin{table}
\par
%\centering
\par
\caption{Time intervals of the available 128-s count spectra.\label{t:log}}
\begin{tabular}{cccc}
\hline\hline
Flare &  Interval & Start time (s) & End time (s)\\[-1mm]
      &        &  from flare onset & from flare onset \\
\hline
2001 April 18 (IF01)	& A	& $-$94.67	& +33.33\\
			& B	& +33.33	& +161.33\\		  
1998 August 27 (GF98)   & A     & $-$59.6	& +68.4 \\
                        & B	& +68.4	  	& +196.4\\
			& C	& +196.4	& +324.4\\	
\hline
\end{tabular}
\end{table}