\begin{table}%t7
%\centering
\par
\caption{\label{beatk}$k$ values for each mode of TU~Cas and EW~Sct.}
\begin{tabular}{l@{\hskip3mm}c@{\hskip3mm}cc}
\hline\hline
\noalign{\smallskip}
Mode & TU Cassiopeiae & & EW Scuti \\
\noalign{\smallskip}
\hline
F & $k=0.038 \pm 0.100$ && $k=0.014 \pm 0.084$  \\
1OT & $k=0.020 \pm 0.091$ && $k=0.013 \pm 0.112$ \\
\hline
\end{tabular}
\end{table}