\begin{table}%t1 \caption{\label{targettable}\label{tab1}Some stellar parameters of \gam1leo.} \small%\centering \par \begin{tabular}{ccl} \hline\hline Parameter & Value & Reference \\ \hline $m_{V}$ & 2.01 & Hipparcos \\ $B - V$ & 1.13 & Hipparcos \\ parallax (mas) & 25.96 $\pm$ 0.83 & Hipparcos \\ $M_{V}$ & $-0.92 \pm 0.069$& derived \\ diameter (mas) & 7.7 $\pm$ 0.3 & Dyck et~al. (\cite{Dyck1998}) \\ radius ($R_\odot$) & 31.88 $\pm$ 1.61 & derived \\ mass ($M_\odot$) & 1.23 $\pm$ 0.21 & This study \\ $v \sin i$ (km~s$^{-1}$) & 1.1 $\pm$ 1.3 & de Medeiros \& Mayor (\cite{Medeiros1999}) \\ & 2.6 & Gray (\cite{Gray1982}) \\ & 3.9 & Massarotti et~al. (\cite{Massarotti2008}) \\ & 2.7 & this study \\ \Te & 4300 & Tomkin et~al. (\cite{Tomkin1975}) \\ & 4470 & McWilliam (1990) \\ & 4330 $\pm$ 15 & This study \\ \lgg & 1.7 & Tomkin et~al. (\cite{Tomkin1975}) \\ & 2.35 & McWilliam (1990) \\ & 1.59 & This study \\ \rm{[Fe/H]} & --0.49 $\pm$ 0.12 & Mcwilliam (1990) \\ & --0.51 $\pm$ 0.05 & This study \\ $\zeta$(km~s$^{-1}$) & 2.4 & Mcwilliam (1990) \\ & 1.5 & This study \\ \hline \end{tabular} \end{table}