\begin{table}%t3 %\centering \par \caption {\label{tab:param}Stellar parameters used for the MHD simulation of HD~191612, adopted mostly from \citet[and references therein]{naz08b}.} \par \begin{tabular}{lr} \hline\hline \noalign{\smallskip} Parameter & Value\\ \hline $R$ & $1.015\times 10^{12}$~cm = 14.4~$R_{\odot}$ \\ $M$ & $7.0\times 10^{34}$g = 35~$M_{\odot}$\\ $L$ & $7.697\times 10^{38}$~erg~s$^{-1} = 2\times 10^5$~$L_{\odot}$\\ $\alpha$ & 0.55\\ $\bar{Q}$ & 2000\\ $\delta$ & 0.0\\ $\dot M$ & 1$\times 10^{-6}$~$M_{\odot}$~yr$^{-1}$\\ $v_{\rm rot}$ & 50~\kms\\ $B_{\rm polar}$ & 1500~G\\ $\eta_*$ & 31 $\sim$$ \sqrt{1000}$\\ \hline \end{tabular} \end{table}