\begin{table}%t6
%\centering
\par
 \footnotesize
\caption{Iron abundances.\label{iron}}
\begin{tabular}{lccccccccc} 
\hline\hline
Star &  \multicolumn{9}{c}{$\log~n$~(Fe)} \\
     & 6703.57~\AA & 6725.36~\AA & 6726.67~\AA & 6750.16~\AA & 6810.27~\AA & 6820.37~\AA & 6828.60~\AA & 6858.15~\AA & average($\pm\sigma_1\pm\sigma_2$)\\ 
\hline
R14 &  -- & 7.87 & 7.61 & -- & 7.56 & 7.67 & 7.65 & 7.48 & 7.64~$\pm$~0.13~$\pm$~0.11\\
R16A&  7.64 & -- & 7.65 & 7.64 & 7.67 & 7.72 & 7.72 & 7.50 & 7.65~$\pm$~0.07~$\pm$~0.11\\
R39A&  7.65 & 7.76 & 7.66 & 7.57 & 7.52 & 7.64 & 7.61 & -- & 7.63~$\pm$~0.08~$\pm$~0.11\\
R49A&  7.62 & -- & -- & 7.55 & 7.89 & 7.56 & -- & 7.42 & 7.61~$\pm$~0.17~$\pm$~0.11\\
R55A&  7.68 & 7.80 & 7.66 & 7.75 & 7.68 & 7.73 & -- & 7.62 & 7.70~$\pm$~0.06~$\pm$~0.11\\
R66 &  7.61 & -- & 7.56 & 7.81 & 7.60 & 7.60 & 7.58 & 7.49 & 7.61~$\pm$~0.10~$\pm$~0.11\\
R92 &  7.74 & -- & 7.68 & 7.78 & 7.67 & 7.69 & 7.66 & 7.53 & 7.68~$\pm$~0.08~$\pm$~0.11\\
R102&  7.63 & -- & 7.79 & 7.77 & 7.61 & 7.58 & 7.61 & 7.47 & 7.64~$\pm$~0.11~$\pm$~0.14\\
R103&  7.69 & 7.64 & 7.83 & 7.59 & -- & 7.64 & 7.73 & 7.63 & 7.68~$\pm$~0.08~$\pm$~0.11\\
R105&  -- & 7.67 & 7.74 & -- & 7.67 & -- & 7.61 & 7.61 & 7.66~$\pm$~0.06~$\pm$~0.11\\
R123&  7.55 & -- & -- & 7.76 & -- & 7.70 & 7.68 & 7.67 & 7.67~$\pm$~0.08~$\pm$~0.11\\
vB182&  7.62 & 7.65 & 7.64 & 7.63 & -- & -- & -- & -- & 7.64~$\pm$~0.02~$\pm$~0.10\\
vB187&  7.66 & 7.67 & 7.68 & 7.64 & -- & -- & -- & -- & 7.66~$\pm$~0.02~$\pm$~0.10\\
\hline
\end{tabular}
\end{table}