\begin{table}%t2
\caption{Central wavelengths of CH4-ice bands measured in the laboratory and
in the spectrum of 136~199~Eris, with uncertainties of about 0.0004~$\mu$m.}
\label{tab:meth}
\small%\centerline
 {
\begin{tabular}{ccc}
\hline \hline
CH4$^a$ ($\mu$m)& This work ($\mu$m)& Licandro et~al. (\cite{lic06}) ($\mu$m)\\
\hline
0.7296	& 0.7288	& 0.7296\\
0.8897	& 0.8885	& 0.8881\\
\hline
\end{tabular}}
\medskip
$^a$ Grundy et~al. (\cite{gru02}).
\end{table}