\begin{table}%t5
%\centering
\par
\caption{\label{tab:uncer}Uncertainties in the adopted atmospheric parameters.}
\small \begin{tabular}{ccccc}
\hline\hline
\noalign{\smallskip}
Ref. &  $T_{\rm eff}$ (K) & $\log~g$ & $\xi$ (km~s$^{-1}$) & [Fe/H] \\
\hline
F00 & $\pm$40 & $\pm$0.06 & $\pm$0.11 & $\pm$0.04 \\
SB02 & $\pm$75 & $\pm$0.35 & $\pm$0.30 & $\pm$0.10 \\
NS97 & $\pm$50 & $\pm$0.10 & -- & $\pm$0.05 \\
Ed93 & $^{+100}_{-50}$ & $\pm$0.20 & $\pm$0.30 & $\pm$0.10 \\
%\hline
adopted & $\pm$100 & $\pm$0.15 & $\pm$0.30 & $\pm$0.15\\
\hline
\end{tabular}
\end{table}