\begin{table}%T2
 \caption{\label{tab:grb071112c_x}Decay and spectral index of the \mbox{X-ray} afterglow of GRB~071112C.}
\small
%\centering
\par
\begin{tabular}{cccc}
\hline\hline\noalign{\smallskip}
Region   & $T$ (s)  &$\alpha_{\rm X}$\tablefootmark{\dag} ($\chi^2$/d.o.f.) & $\beta_{\rm X}$\tablefootmark{\ddag} \\ 
\hline
{Normal Decay}&100 $< T <$ 450, 1270 $< T <$ 1630 & $-$1.27 $\pm$ 0.05(104.8/96) & $-$0.83 $\pm$ 0.04    \\ 
 {Flare Rise} & 450 $< T <$ 650                    & 2.51 $\pm$ 0.77 (7.3/6)     & $-$0.34$\pm$ 0.15  \\ 
 {Flare Decay}& 650 $< T <$ 1270                   & $-$2.05 $\pm$ 0.26 (16.5/16)& $-$0.62 $\pm$ 0.06    \\ 
 {Post-break}     & 12~542 $< T <$ 14~7425             & $-$1.43 $\pm$ 0.04  (104.8/96) & $-$0.82 $_{-0.16}^{+0.08}$ \\ 
\noalign{\smallskip}\hline\end{tabular}
\tablefoot{The uncertainties show the 90\% confidence levels of the parameters. 
       \tablefoottext{\dag}{\mbox{X-ray} decay index.}
      \tablefoottext{\ddag}{\mbox{X-ray} spectral index($\chi^2$/d.o.f. = 587.7/298).}}
      \vspace*{2mm}
\end{table}