\begin{table}%ta.1
%\centering
\par
\caption{\label{t:sensitivity}Sensitivities of abundance ratios to errors in the atmospheric parameters.}
\small\begin{tabular}{lllllcrrrr}
\hline\hline\noalign{\smallskip}
& \multicolumn{4}{c}{$\Delta T_{\rm eff}=50$~K} &\multicolumn{1}{c}{} &\multicolumn{4}{c}{$\Delta V_t = +0.1$~km~s$^{-1}$} \\
\cline{2-5} \cline{7-10}\\ 
cluster &$\Delta$[Fe/H]I&$\Delta$[Fe/H]II&$\Delta$[O/Fe]&$\Delta$[Na/Fe]&    &$\Delta$[Fe/H]I&$\Delta$[Fe/H]II&$\Delta$[O/Fe]&$\Delta$[Na/Fe] \\
NGC 104 & +0.033& $-$0.049& $-$0.025&   +0.009&   &$-$0.034& $-$0.016& +0.035& +0.008 \\
NGC 288 & +0.055& $-$0.026& $-$0.044& $-$0.016&   &$-$0.027& $-$0.012& +0.029& +0.018 \\
NGC~1904& +0.060& $-$0.022& $-$0.042& $-$0.022&   &$-$0.027& $-$0.008& +0.029& +0.021 \\
NGC~3201& +0.059& $-$0.022& $-$0.044& $-$0.021&   &$-$0.022& $-$0.009& +0.024& +0.020 \\
NGC~4590& +0.049& $-$0.007& $-$0.023& $-$0.023&   &$-$0.011& $-$0.005& +0.014& +0.009 \\
NGC~5904& +0.057& $-$0.029& $-$0.043& $-$0.016&   &$-$0.028& $-$0.011& +0.028& +0.019 \\
NGC~6121& +0.049& $-$0.034& $-$0.038& $-$0.006&   &$-$0.031& $-$0.011& +0.033& +0.018 \\
NGC~6171& +0.045& $-$0.037& $-$0.035& $-$0.002&   &$-$0.026& $-$0.013& +0.028& +0.015 \\
NGC~6254& +0.055& $-$0.014& $-$0.037& $-$0.021&   &$-$0.018& $-$0.006& +0.020& +0.015 \\
NGC~6388& +0.015& $-$0.073& $-$0.006&   +0.023&   &$-$0.044& $-$0.023& +0.045& +0.014 \\
NGC~6397& +0.047& $-$0.007& $-$0.034& $-$0.021&   &$-$0.009& $-$0.003& +0.010& +0.009 \\
NGC~6808& +0.062& $-$0.016& $-$0.042& $-$0.028&   &$-$0.015& $-$0.004& +0.017& +0.012 \\
NGC~6838& +0.052& $-$0.038& $-$0.046& $-$0.011&   &$-$0.032& $-$0.016& +0.033& +0.013 \\
NGC~7078& +0.050& $-$0.011& $-$0.026& $-$0.023&   &$-$0.008& $-$0.002& +0.011& +0.007 \\
NGC~7099& +0.047& $-$0.010& $-$0.021& $-$0.021&   &$-$0.008& $-$0.002& +0.010& +0.006 \\
\hline
& \multicolumn{4}{c}{$\Delta \log g = +0.2$~dex} &\multicolumn{1}{c}{} &\multicolumn{4}{c}{$\Delta$ [A/H] = +0.1~dex} \\
	\cline{2-5} \cline{7-10}\\ 
cluster &$\Delta$[Fe/H]I&$\Delta$[Fe/H]II&$\Delta$[O/Fe]&$\Delta$[Na/Fe]&    &$\Delta$[Fe/H]I&$\Delta$[Fe/H]II&$\Delta$[O/Fe]&$\Delta$[Na/Fe] \\
NGC 104 &   +0.015& +0.107& +0.070& $-$0.054&	&   +0.009& +0.037& +0.027& $-$0.001 \\
NGC 288 & $-$0.009& +0.087& +0.090& $-$0.025&	& $-$0.007& +0.020& +0.034& $-$0.004 \\
NGC~1904& $-$0.011& +0.083& +0.090& $-$0.025&	& $-$0.010& +0.018& +0.036& $-$0.005 \\
NGC~3201& $-$0.009& +0.084& +0.089& $-$0.019&	& $-$0.009& +0.021& +0.038& $-$0.001 \\
NGC~4590& $-$0.005& +0.073& +0.079& $-$0.015&	& $-$0.003& +0.005& +0.016&   +0.003 \\
NGC~5904& $-$0.005& +0.087& +0.086& $-$0.029&	& $-$0.007& +0.022& +0.037& $-$0.007 \\
NGC~6121& $-$0.004& +0.093& +0.089& $-$0.033&	& $-$0.002& +0.025& +0.034& $-$0.011 \\
NGC~6171& $-$0.003& +0.096& +0.090& $-$0.038&	&   +0.003& +0.028& +0.032& $-$0.003 \\
NGC~6254& $-$0.009& +0.079& +0.087& $-$0.020&	& $-$0.009& +0.013& +0.030& $-$0.000 \\
NGC~6388&   +0.032& +0.117& +0.052& $-$0.071&	&   +0.018& +0.042& +0.018& $-$0.001 \\
NGC~6397& $-$0.003& +0.073& +0.081& $-$0.012&	& $-$0.002& +0.007& +0.026& $-$0.001 \\
NGC~6808& $-$0.009& +0.078& +0.084& $-$0.027&	& $-$0.011& +0.014& +0.034& $-$0.002 \\
NGC~6838&   +0.005& +0.099& +0.081& $-$0.042&	&   +0.007& +0.032& +0.029& $-$0.002 \\
NGC~7078& $-$0.008& +0.072& +0.078& $-$0.017&	& $-$0.002& +0.006& +0.018&   +0.005 \\
NGC~7099& $-$0.004& +0.073& +0.076& $-$0.014&	& $-$0.002& +0.006& +0.015&   +0.003 \\
\hline
\end{tabular}
\end{table}