\begin{table}%T3
\caption{\label{t:Chem}Abundances in the supergiant \ion{H}{ii} region.}
%%\centering
\par
\begin{tabular}{lcc} \hline  \hline
\rule{0pt}{10pt}
Value                                      & MMT                 & BTA \\
 \hline
$T_{\rm e}$(OIII)(K)\                      & 18~500~$\pm$~700 ~~   & 18~300~$\pm$~800 ~~    \\
$T_{\rm e}$(OII)(K)\                       & 15~200~$\pm$~500 ~~   & 15~100~$\pm$~600 ~~    \\
$T_{\rm e}$(SIII)(K)\                      & 17~000~$\pm$~500 ~~   & 16~900~$\pm$~600 ~~    \\
$N_{\rm e}$(SII)(cm$^{-3}$)\               & 300~$\pm$~300~~       & 400~$\pm$~300~~        \\
& & \\
O$^{+}$/H$^{+}$($\times$10$^{-5}$)\        & 0.345~$\pm$~0.035~~   & 0.357~$\pm$~0.042~~    \\
O$^{++}$/H$^{+}$($\times$10$^{-5}$)\       & 3.941~$\pm$~0.355~~   & 3.969~$\pm$~0.419~~    \\
O$^{+++}$/H$^{+}$($\times$10$^{-5}$)\      & 0.082~$\pm$~0.014~~   & 0.095~$\pm$~0.022~~    \\
O/H($\times$10$^{-5}$)\                    & 4.369~$\pm$~0.357~~   & 4.421~$\pm$~0.422~~    \\
12+log~(O/H)\                               & ~7.64~$\pm$~0.04~~    & ~7.65~$\pm$~0.04~~     \\
%& & \\
N$^{+}$/H$^{+}$($\times$10$^{-7}$)\        & 5.157~$\pm$~0.701~~   & 5.265~$\pm$~0.660~~    \\
ICF(N)\                                    & 12.65               & 12.40                \\
log~(N/O)\                                  & --0.83~$\pm$~0.07~~   & --0.83~$\pm$~0.07~~    \\
%& & \\
Ne$^{++}$/H$^{+}$($\times$10$^{-5}$)\      & 0.610~$\pm$~0.058~~   & 0.606~$\pm$~0.068~~    \\
ICF(Ne)\                                   & 1.11                & 1.11                 \\
log~(Ne/O)\                                 & --0.81~$\pm$~0.05~~   & --0.82~$\pm$~0.06~~    \\
%& & \\
S$^{+}$/H$^{+}$($\times$10$^{-7}$)\        & 0.695~$\pm$~0.061~~   & 0.767~$\pm$~0.074~~    \\
S$^{++}$/H$^{+}$($\times$10$^{-7}$)\       & 3.437~$\pm$~1.294~~   & 5.196~$\pm$~1.282~~    \\
ICF(S)\                                    & 2.91                & 2.87                 \\
log~(S/O)\                                  & --1.56~$\pm$~0.14~~   & --1.41~$\pm$~0.10~~    \\
%& & \\
Cl$^{++}$/H$^{+}$($\times$10$^{-7}$)\      & 0.121~$\pm$~0.004~~   & ...                  \\
ICF(Cl)\                                   & 2.19                & ...                  \\
log~(Cl/O)\                                 & --3.22~$\pm$~0.14~~   & ...                  \\
%& & \\
Ar$^{++}$/H$^{+}$($\times$10$^{-7}$)\      & 1.003~$\pm$~0.101~~   & ...                  \\
Ar$^{+++}$/H$^{+}$($\times$10$^{-7}$)\     & 1.402~$\pm$~0.193~~   & 1.395~$\pm$~0.317~~    \\
ICF(Ar)\                                   & 1.01                & 1.71                 \\
log~(Ar/O)\                                 & --2.26~$\pm$~0.05~~   & --2.27~$\pm$~0.11~~    \\
%& & \\
Fe$^{++}$/H$^{+}$($\times$10$^{-7}$)\      & 0.663~$\pm$~0.321~~   & 0.622~$\pm$~0.212~~    \\
ICF(Fe)\                                   & 15.79               & 15.45                \\
log~(Fe/O)\                                 & --1.62~$\pm$~0.21~~   & --1.66~$\pm$~0.15~~    \\
$[$O/Fe$]$\                                & 0.20~$\pm$~0.21~~     &   0.24~$\pm$~0.15~~    \\
\hline   
\end{tabular}
 \end{table}