\begin{table}%t2
\caption{Basic physical parameters of \hr.}\label{tbl2}
%\centering
\par
\begin{tabular}{ll}
\hline
\hline
\tef (K)    & $7650\pm150$ \\
\lgg        & $4.20\pm0.20$ \\
$L/L_\odot$ & $12.33\pm0.28$  \\
$R/R_\odot$ & $2.003\pm0.082$ \\   
$M/M_\odot$ & $1.769\pm0.011$ \\
$\log ({\rm Age})$& $8.940\pm0.056$ \\
\hline
\end{tabular}
\end{table}