\begin{table}%t2 \caption {\label{tab:abn}Abundances (in $\log N_{\rm el}/N_{\rm total}$) of \hd, used for determining model atmosphere parameters.} \centering \begin{tabular}{cccccc} \hline\hline & He & Mg & Al & Si & Fe \\ \hline \hd\, & --2.10 & --5.51 & --6.17 & --3.53 & --4.09 \\ Sun & --1.10 & --4.51 & --5.67 & --4.53 & --4.59 \\ \hline \end{tabular} \end{table}