\begin{table}%t2 \caption{\label{tab:params}Binary parameters from the system modelling and spot model parameters.} %\centerline {\small \begin{tabular}{lc} \hline\hline $P_{\rm orb}=P_{\rm rot}$ = $0.46543d$ $^*$ & $B_{\rm unsp}$ = 12.42\\ a = 2.246~$R_\odot$ $^{**}$ & $V_{\rm unsp}$ = 11.00\\ $q = 0.42\pm 0.01$ & $R_{\rm unsp}$ = 10.07\\ $i = 66.5\pm 1^\circ$ & $I_{\rm unsp}$ = 9.17\\ $M_1$ = $0.49~M_\odot$ &$T_{\rm spot}$ = 3300~K \\ $M_2$ = $0.21~M_\odot$&\\ $T_1$ = $4050 \pm 200$~K&\\ $T_2$ = $3000 \pm 300$~K&\\ $R_1$ = $0.78\pm0.02~R_\odot$&\\ $R_2$ = $0.24\pm0.04~R_\odot$&\\ $v\sin i$ = 85~km~s$^{-1}$~$^*$&\\ $e$ = $0.0^*$ &\\ \hline \end{tabular}} \medskip $^*$ Adopted from \chil; $^{**}$ ~$a \sin i$ adopted from \chil. \end{table}