\begin{table}%t8 \caption{\label{tab8}Frequencies found in the Ca~II data using a pre-whitening \mbox{procedure}. } %\centering \par \begin{tabular}{ccc} \hline\hline\noalign{\smallskip} Frequency & Amplitude & Comment \\ (c~d$^{-1}$) & & \\ \hline 0.0447 & 0.0159 & $f_{\rm rot}$ \\ 0.0128 & 0.0088 & \\ 0.1369 & 0.0089 & \\ \hline \end{tabular} \end{table}