\begin{table}%t4
%\centering
\par
\caption{\label{T2}Best-fit periods in days from the MOST observations, the
four APT T6 data sets, and the STELLA radial velocities.}
\begin{tabular}{llllll}
\hline \hline \noalign{\smallskip}
Dataset       & CLEAN   & L-S   & PDM   & DFT & $\delta f_{\rm R}$\\
 \hline  
MOST 2007     & \dots & 3.377  & 6.87 &6.97 &0.091\\
APT $b$~1996 & 3.54 & 7.16  & 7.04 & 6.97  &0.007\\
APT $y$~1996 & 3.56 & 3.56  & 6.94 & 6.96  &0.007\\
APT $v$~2002 & 8.31 & \dots & 3.47 & 7.04  &0.062\\
APT $y$~2002 & 12.2  & \dots & 3.45 & 6.96 &0.061\\
STELLA 2007/8 & 6.73 & 6.76 & 6.80 & 6.75   &0.008\\
 \hline
\end{tabular}
\tablefoot{The methods applied are CLEAN, L-S=Lomb Scargle, PDM=Phase
Dispersion Method, DFT=Discrete Fourier Transform. The last column
lists the Rayleigh frequency resolution, $\delta f_{\rm R}$, defined as
the inverse total time covered by the respective time series.}
\vspace*{-3.5mm}\end{table}