\begin{table}%tA.2
%\centering
\par
\caption{Evolution during the decay phase for the 14 May 1993 flare.}\label{t3}
%\centering
\par
\begin{tabular}{cc c c}
\hline\hline\noalign{\smallskip}
Time period  [UT] & $\zeta_{\rm obs}$ & $0.5 \frac{{\rm d}\!\lg L}{{\rm d}\!\lg N}$ & $\zeta_{\rm QSS}$ \\ \hline
\multicolumn{4}{c}{kernel A} \\
%23:05 - 23:20 & $0.21$ & $-0.40$ & $0.10$ \\
23:41--01:40 & $0.02$ & $-0.09$ & $0.41$ \\
01:40--02:48 & $0.15$ & $-0.13$ & $0.37$ \\
02:48--04:06 & $0.00$ & $-0.15$ & $0.35$ \\
04:06--06:18 & $0.30$ & $-0.00$ & $0.50$ \\
\hline
\multicolumn{4}{c}{kernel B+C} \\
23:10--23:30 & $0.14$ & $-0.13$ & $0.37$ \\
23:30--03:00 & $0.03$ & $-0.16$ & $0.34$ \\
03:00--04:51 & $0.18$ & $-0.03$ & $0.47$ \\
\hline
\multicolumn{4}{c}{kernel D} \\
%23:20 - 23:54 & $0.24$ & $-0.37$ & $0.13$ \\
23:43--03:16 & $0.10$ & $-0.10$ & $0.40$ \\
\hline
\end{tabular}
\end{table}