\begin{table}%t4 %\centering \par \caption{Basic properties of the binary system estimated for $K=7$~\kms and $M_1=11$~\ms\ and for several plausible orbital inclinations.} \label{binary} \small \begin{tabular}{cccccc} \hline\hline\noalign{\smallskip} $i$ & $M_2/M_1$ & $M_2$ & $A$ & $R_1^{\rm Roche}$ & $R_2^{\rm Roche}$ \\ (deg.)& &(\ms) & (\rs) & (\rs) & (\rs)\\ \noalign{\smallskip}\hline\noalign{\smallskip} 90 & 0.079 & 0.87 & 250.1 & 154.4 & 46.1\\ 80 & 0.081 & 0.89 & 250.2 & 154.1 & 46.3\\ 70 & 0.085 & 0.93 & 250.5 & 153.1 & 47.1\\ 60 & 0.092 & 1.02 & 251.1 & 151.5 & 48.4\\ \hline \end{tabular} \end{table}