\begin{table}%T4
\par
\caption{\label{t:sensitivity}Sensitivities of abundance ratios to errors in the atmospheric
parameters and in the equivalent widths.}
%\centering
\par
\begin{tabular}{lccccrcc}
\hline\hline
Ratio    & $\Delta$$T_{\rm eff}$ & $\Delta$$\log g$ & $\Delta$[A/H] & $\Delta v_t$&$\langle N\rangle$& $\Delta$ $E\it W$ & Tot.\\
         & (+90 K)    & (+0.2 dex)      & (+0.1 dex)      & (+0.1 km s$^{-1}$) & &     & (dex)  \\
\\
\hline
& \multicolumn{7}{c}{Star~IC~4651-146 (Clump)} \\
\hline
$[$Fe/H$]$I  &   +0.057& +0.011 &  +0.010 &$-$0.044&111&   +0.013& 0.051 \\
$[$Fe/H$]$II & $-$0.086& +0.107 &  +0.035 &$-$0.043& 12&   +0.040&       \\
\hline
\end{tabular}
\end{table}