\begin{table}%t1
%\centering
\par
\caption{\label{table1}EUV related heating processes and heating efficiencies $\eta$ within the hydrogen-rich thermosphere of Jupiter (after Waite et~al. \cite{Waite1983}).}
\small \begin{tabular}{cc}
\hline\hline
Heating process & $\eta$ [\%] \\
\hline
Neutral heating &      9.26   \\
Electron heating &      7.92   \\
Vibrational energy & 6.23   \\
%\hline
$\sum$              & 23.41 \\
%\hline
Chemical heating (H$_{2}^+$) & 29.74\\
%\hline
Total $\sum$               & 53.15\\
\hline
\end{tabular}
\end{table}