\begin{table}%t6 \caption{\label{tab1258}A sinusoidal fit for the 1.2578-d period in the \ha emission RV \oc\ residuals.} %%\centerline {\small \begin{tabular}{rcccccl} \hline\hline Element & Value \\ \noalign{\smallskip}\hline\noalign{\smallskip} $P$ (d) & 1.257805 ~\p ~0.000029 \\ $T_{\rm RV~max}$& 51808.812 ~\p~ 0.042 \\ $K$ (\ks) & 0.52 ~\p~ 0.30 \\ rms (\ks) & 0.869 \\ \noalign{\smallskip}\hline\noalign{\smallskip} \end{tabular}} \tablefoot{$K$ is the semiamplitude of the curve and rms is the rms error of one observation.} \end{table}