\begin{table}%t5
\caption{\label{phot}Astrophysical quantities for the $\beta$ Sco System.}
%\centerline
 {\small \begin{tabular}{l r r r r}
\hline \hline
Star & Aa~~~~~~ & Ab~~~~~~   & C~~~~~~~~&  Ea~~~~~~~  \\
\hline
$A_v$  &  \multicolumn{2}{c}{ 0.55~$\pm$~0.03}      & \multicolumn{2}{c}{ 0.58~$\pm$~0.03}      \\
$V$                &    2.62               &    3.88              &    4.52              &    6.60              \\
$M_v$            &  $-$3.92~$\pm$~0.05 & $-$2.60~$\pm$~0.05 & $-$1.83~$\pm$~0.05 &    0.24~$\pm$~0.05 \\
BC               &  $-$2.7~$\pm$~0.2   & $-$2.5~$\pm$~0.2   & $-$2.3~$\pm$~0.2   & $-$0.9~$\pm$~0.2   \\
$M_{\rm bol}$    &  $-$6.6~$\pm$~0.2   & $-$5.1~$\pm$~0.2   & $-$4.1~$\pm$~0.2   & $-$0.6~$\pm$~0.2   \\
$L/L_\odot$      &     4.5~$\pm$~0.1   &    3.9~$\pm$~0.1   &    3.5~$\pm$~0.1   &    2.1~$\pm$~0.1   \\
$R/R_\odot$      &     6.3~$\pm$~0.5   &    4.0~$\pm$~0.3   &    2.9~$\pm$~0.5   &    2.4~$\pm$~0.1   \\
$M/M_\odot$      &    15.0~$\pm$~0.7   &   10.4~$\pm$~0.5   &    8.2~$\pm$~0.4   &    3.5~$\pm$~0.2   \\   
\hline
\end{tabular}}
\medskip
Distances are expressed in parsecs, while luminosities are in logarithmic form. \vspace*{1.5mm}
\end{table}