\begin{table}%t4
\caption{\label{tab:teff_logg}\teff{} derived from the \ion{Fe}{i} and 
\ion{Fe}{ii} ionization equilibrium for a fixed gravity.} 
\par
%\begin{flushleft}
%\centerline
{
\small\begin{tabular}{lr|rrr|rrr|rlc}
\hline
\hline
\multicolumn{1}{c}{Star} & 
\multicolumn{1}{c}{$\log~g$} & 
\multicolumn{1}{c}{\teff{}}& 
\multicolumn{1}{c}{$\log\epsilon$(Fe~I)}&
\multicolumn{1}{c}{$\log\epsilon$(Fe~II)}&
\multicolumn{1}{c}{\teff{}}& 
\multicolumn{1}{c}{$\log\epsilon$(Fe~I)}&
\multicolumn{1}{c}{$\log\epsilon$(Fe~II)}&
\multicolumn{1}{c}{\teff{}}&
\multicolumn{1}{c}{\logg}&
\multicolumn{1}{c}{Source} \\
\hline
\noalign{\smallskip}
 & &
\multicolumn{3}{c}{ATLAS9} &
\multicolumn{3}{c}{ATLAS12} &
\multicolumn{3}{c}{Literature}\\
\hline
\noalign{\smallskip}
T183  & 3.75 &  11~480 &   $-$4.18~$\pm$~0.09 &$-$4.18~$\pm$~0.11 & 11~390 &  $-$4.19~$\pm$~0.09 &$-$4.19~$\pm$~0.11&11950~$\pm$~200 & 3.59 & 1\\
T191  & 3.80 &11~770 &$-$4.68~$\pm$~0.06 &$-$4.68~$\pm$~0.09 & 11~630 & $-$4.70~$\pm$~0.06 &$-$4.69~$\pm$~0.10\\
T193  & 3.80 &11~480 &$-$4.27~$\pm$~0.09 &$-$4.27~$\pm$~0.10 & 11~370 & $-$4.29~$\pm$~0.09 &$-$4.29~$\pm$~0.10&11430~$\pm$~190 & 3.56 & 1\\
B652  & 3.95 &12~250 &$-$3.80~$\pm$~0.11 &$-$3.80~$\pm$~0.09 & 11~960 & $-$3.86~$\pm$~0.11 &$-$3.85~$\pm$~0.09&12~500~$\pm$~230 & 3.98~$\pm$~0.07 &2\\
B2151 & 3.85 &11~400 &$-$4.18~$\pm$~0.05 &$-$4.18~$\pm$~0.11 & 11~310 & $-$4.20~$\pm$~0.05 &$-$4.20~$\pm$~0.11\\
B2206 & 3.80 &11~290 &$-$4.21~$\pm$~0.05 & $-$4.21~$\pm$~0.08 &11~200 & $-$4.22~$\pm$~0.05 &$-$4.22~$\pm$~0.08  \\
\hline
\end{tabular}}
\medskip
\par
(1) de Boer et al.\ (\cite{deBoer1995}),
(2) Moehler et al.\ (\cite{Moehler2000}) for [M/H]~=~0.0.
\end{table}