\begin{table}%t6
\caption{\label{tab:iron}Fe abundances from high and low resolution spectra.}             
\small%\centerline
 {
\begin{tabular}{lccc}
\hline\hline       
Object     & [Fe/H]      & \multicolumn{2}{c}{[Fe/H](Ca triplet)} \\
\cline{3-4}
           & (this work) & Helmi et~al. & Battaglia et~al.$^{{a}}$ \\
\hline
S~10--14 & $-2.66\pm 0.21$ & $-2.62$ & $-2.77$ \\
S~11--13 & $-2.76\pm 0.21$ & $-2.51$ & $-2.66$ \\
S~11--37 & $-2.84\pm 0.21$ & $-2.66$ & $-2.81$ \\
S~12--28 & $-2.75\pm 0.21$ & $-2.55$ & $-2.70$ \\
S~14--98 & $-2.67\pm 0.22$ & $-2.53$ & $-2.68$ \\
S~15--19 & $-3.10\pm 0.21$ & $-2.56$ & $-2.71$ \\
\hline
\end{tabular}}
\medskip
$^{{a}}$ Values calculated from the calibration of \citet{battaglia08}.
\end{table}