\begin{table}%t1
%\centering
\par
\caption{Effective areas and transmission factors of the SPI gamma-ray
 camera for the observation conditions of the flare obtained by MGGPOD
 simulations with a detailed model of SPI and the \mbox{spacecraft}. 
  \label{table1} }
\begin{tabular}  {llcc} 
\hline \hline
$E_{\gamma}$ (keV) & origin & eff. area (cm$^2$)  &
transmission (\%) \\
\hline
1369 & $^{24}$Mg$^{\star}_{1369}$ & 3.6 & 2.8  \\
1634 & $^{20}$Ne$^{\star}_{1634}$ & 4.6 & 4.0  \\
1779 & $^{28}$Si$^{\star}_{1779}$ & 5.0 & 4.5  \\
2223 &  $^1$H(n,$\gamma$)$^2$H & 5.4 & 5.7  \\
4438 & $^{12}$C$^{\star}_{4439}$ & 5.2 & 8.7  \\
6129 & $^{16}$O$^{\star}_{6130}$ & 4.1 & 9.3  \\
6916 & $^{16}$O$^{\star}_{6917}$ & 3.6 & 9.4  \\
7115 & $^{16}$O$^{\star}_{7117}$ & 3.6 & 9.4  \\
\hline
\end{tabular} 
\end{table}