\begin{table}%t3 \caption{\label{tteffsb2b}Fundamental properties of M31V~J00443610+4129194 and resulting distance determination, derived from the modeling of the optical spectrum of the primary component, using TLUSTY atmosphere models and the values of Table~\ref{twdsb2b}.} %\centering $$\begin{tabular}{lr@{~$\pm$~}lr@{~$\pm$~}l} \hline \hline \noalign{\smallskip} System properties & \multicolumn{4}{c}{ } \\ \hline $M_V$ (mag) & \multicolumn{2}{r@{~$\pm$~}}{--4.90} & \multicolumn{2}{@{}l}{0.08} \\ $E(B-V)$ (mag) & \multicolumn{2}{r@{~$\pm$~}}{0.18} & \multicolumn{2}{@{}l}{0.02} \\ $A_V$ (mag) & \multicolumn{2}{r@{~$\pm$~}}{0.55} & \multicolumn{2}{@{}l}{0.08} \\ $(m-M)_0$ (mag) & \multicolumn{2}{r@{~$\pm$~}}{24.30} & \multicolumn{2}{@{}l}{0.11} \\ \hline Component properties & \multicolumn{2}{c}{Primary} & \multicolumn{2}{c}{Secondary}\\ $T_{\rm eff}$ (K) & 33~600 & 600 & 30~100 & 900 \\ $\log g$ (cgs) & 3.86 & 0.12 & \multicolumn{2}{c}{\ldots} \\ $v_{\rm rot}\sin i$ (km~s$^{-1}$) & 189 & 12 & \multicolumn{2}{c}{\ldots} \\ $M_V$ (mag) & --4.59 & 0.07 & --3.38 & 0.12 \\ $(B-V)_0$ (mag) & --0.295 & 0.002 & --0.286 & 0.004 \\ \hline \end{tabular} $$ \end{table}