\begin{table}%t3
%\centering
\par
\caption{\label{param}Atmospheric parameters adopted in our study for the components of our system.} 
\small \begin{tabular}{c c c c}
\hline
\hline
Star  &   $v  \sin i$   & $T_{\rm eff}$ & $\log g$ \\
      &  (km~s$^{-1}$) &     (K)       &          \\
\hline
$\beta$~Sco~C~~  &  ~55~$\pm$~3  & 24~000~$\pm$~500 & 3.8~$\pm$~0.2 \\
$\beta$~Sco~Ea~  &  ~~5~$\pm$~1  & 13~000~$\pm$~800 & 4.2~$\pm$~0.2\\
\hline
\end{tabular}\vspace*{1.5mm}
\end{table}