\begin{table}%t6
%\centering
\par
\caption {\label{tab6}All orbital parameters for the companion to the K~giant host star 
HD 139~357.}
\begin{tabular}{lll}
\hline
\hline
{\rm Period} [{\rm days}] ~         & $1125.7 \pm 9.0$\\
$T_{{\rm periastron}} $[{\rm JD}] ~            & $2452466.7 \pm 3.2$\\
$K [{\rm m~s^{-1}}]$                     & $161.2 \pm 3.2$\\
$\sigma({\rm O{-}C)}) [{\rm m~s^{-1}}]$ ~       & 14.14\\
$e$                                 & $0.10 \pm 0.02$ \\
$\omega [{\rm deg}]$                    & $235.4 \pm 10.6$ \\
$f(m) [{M_{\odot}}]$ & $(4.79 \pm 0.57) \times 10^{-7}$ \\
$a $[{\rm AU}]                            & $2.36 \pm 0.02$\\
\hline
\end{tabular}
\end{table}