\begin{table*}%t1
\caption{Rotational $J'$, $K' \leftarrow J''$, $K''$~transitions (MHz) of CH$_3$CCH with the corresponding observed-calculated (o-c) differences (kHz) (second fit: see text).}\label{freq-meacet}
%\centering
\includegraphics[width=10cm]{t1.eps}
\end{table*}