\begin{table}%T6 \caption{\label{tab:wdfit}Parameters of our solution of the \wire\ light curve using {\sc wd}2003. The optimised parameters are given in bold type and the fixed parameters in normal type. The rotation rates of the stars are given in units of the synchronous velocity. } \small %\centerline { \begin{tabular}{l c c r} \hline \hline Parameter & Star A & Star B & Ref.\\ \hline Integration accuracy (points) & 60 & 60 & \\ Time of primary min. (HJD) & \mc{2453827.19569} & \\ Orbital period (day) & \mc{3.9600467300} & \\ Phase shift & \mc{\bf $-$0.000001} & \\ Mass ratio & \mc{0.964} & 1 \\ Orbital inclination & \mc{\bf 76.909} & \\ Orbital eccentricity & \mc{\bf 0.00203} & \\ Longitude of periastron (deg) & \mc{\bf 90.30} & \\ Mean efective temperatures (K)& 9350 & 9200 & 2 \\ Potentials & {\bf 7.3309} & {\bf 7.5704} & \\ Rotation rates & 1.0 & 1.0 & \\ Bolometric albedo & {\bf 0.590} & {\bf 0.558} & \\ Gravity brightening exp. & 1.0 & 1.0 & 3 \\ $u$ & {\bf 0.109} & {\bf 0.102} & \\ $v$ & 0.624 & 0.624 & \\ Light output & 6.775 & {\bf 5.801} & \\ Third light & \mc{0.0} & \\ \hline $r$ (volume) & 0.15717 & 0.14550 & \\ $r$ (point) & 0.15648 & 0.14495 & \\ $r$ (pole) & 0.15807 & 0.14621 & \\ $r$ (side) & 0.15707 & 0.14541 & \\ $r$ (back) & 0.15787 & 0.14607 & \\ \hline \end{tabular}} \smallskip References: (1) \citet{Smith48apj}; (2) NJ94; (3) \citet{Claret98aas}. \end{table}