\begin{table}%t2
%\centering
\par
\caption{\label{tab1}Adopted stellar parameters. }
\begin{tabular}[t]{lcccc}
\hline\hline
\noalign{\smallskip}
Star       & $T_{\rm eff}$ & log $g$  &  $\xi$  & [Fe/H]  \\
           &  K            &  cgs     & \kms    &  dex    \\
\hline
SDSS J1349-0229 & 6200        & 4.0     & 1.5     & --3.0  \\
SDSS J0912+0216 & 6500        & 4.5     & 1.5     & --2.5  \\
SDSS J1036+1212 & 6000        & 4.0     & 1.4     & --3.2  \\
\hline
\end{tabular}
\end{table}