\begin{table}%t4
\caption{C ring: Relative abundances and grain sizes  (red model in Fig.\ref{fig:cringbest}).  \label{tab:cring}}
%\centerline
{
\begin{tabular}{cccc}
\hline
\hline
Component &  Water Ice & Water ice &  Water Ice  \\
\hline
Abundance  (vol \%)&  57$^*$       &   15$^{**}$             & 28$^{**}$ \\
Grain size ($\mu$m) &       1100  &   7500       &  30   \\
\hline
\end{tabular}}
\smallskip
{\footnotesize $*$ Contaminated by 0.07\% of amorphous carbon inclusions and 0.41\% of ice tholin inclusions.}\\
 {\footnotesize $**$ Contaminated by  0.41\% of ice tholin inclusions.}
\end{table}