\begin{table}%t5
%\centering
\par
\caption{Orbital parameters for the companion to $\beta$ Gem. The
rms scatter in parenthesis is without  the DAO measurements.}\label{t5}
\small\begin{tabular}{lr}\hline\hline
Parameter  & Value  \\
\hline
Period [days]  &   589.64 $\pm$ 0.81\\
$T_{\rm periastron}$ [JD] & 2~447~739.02  $\pm$  4.5 \\
$K$ [m~s$^{-1}$] &  41.0 $\pm$ 1.6 \\
$e$               & 0.02 $\pm$ 0.03 \\
$\omega$ [deg]    &  354.58 $\pm$ 95.65\\
$f(m)$   [solar masses] & ($4.21 \pm 0.48) \times 10^{-9}$ \\
$m$ sin $i$ [$M_{\rm Jupiter}$]       & 2.30 $\pm$ 0.45\\
$a$ [AU] & 1.64 $\pm$ 0.27\\
rms [m~s$^{-1}$] & 20.6 (17.1) \\
\hline
\end{tabular}
\end{table}