\begin{table}%t4
\caption{\label{t4}Error analysis: deviations from the abundances in Table~\ref{t3}.}
%\centering
\par
\begin{tabular}{ccccr}
\hline
\hline\noalign{\smallskip}
& $\Delta T_{\rm eff}$ & $\Delta~\log~g$ & $\Delta\xi$ &   \\
%
\raisebox{1.5ex}[-1.5ex]{Ion}  & $\pm$150~K  & $\pm$0.2~dex & $\pm$0.25~km~s$^{-1}$ & \raisebox{1.5ex}[-1.5ex]{ODF} \\
%
%
\hline
%
Fe I  & $\pm$0.13 & $\pm$0.01 & $\mp$0.12 & $-$0.02 \\
Fe II & $\mp$0.20 & $\pm$0.12 & $\mp$0.09 & $-$0.13 \\
Mg I  & $\pm$0.10 & $\mp$0.02 & $\mp$0.10 &  0.02  \\
Al I  & $\pm$0.13 & $\mp$0.02 & $\mp$0.01 & 0.04 \\
Si I  & $\mp$0.03 & $\pm$0.03 & $\mp$0.03 & $-$0.02 \\
Ca I  & $\pm$0.19 & $\mp$0.03 & $\mp$0.08 & 0.03 \\
Sc II & $\mp$0.02 & $\pm$0.07 & $\mp$0.05 & 0.04 \\
Ti I  & $\pm$0.30 & $\mp$0.03 & $\mp$0.08 & 0.01 \\
Ti II & $\mp$0.03 & $\pm$0.07 & $\mp$0.08 & 0.04 \\
 V I  & $\pm$0.32 & $\mp$0.02 & $\mp$0.03 & 0.00 \\
Cr I  & $\pm$0.26 & $\mp$0.03 & $\mp$0.10 & 0.02 \\
Mn I  & $\pm$0.22 & $\pm$0.01 & $\pm$0.04 &  0.04 \\
Co I  & $\pm$0.16 & $\pm$0.03 & $\pm$0.03 & 0.01 \\
Ni I  & $\pm$0.11 & $\pm$0.01 & $\mp$0.06 & $-$0.01 \\
Cu I  & $\pm$0.15 & $\pm$0.02 & $\mp$0.03 & 0.01 \\
 Y II & $\pm$0.01 & $\pm$0.06 & $\mp$0.10 & 0.04 \\
Zr II & $\mp$0.02 & $\pm$0.07 & $\mp$0.02 & 0.05 \\
Ba II & $\pm$0.05 & $\pm$0.06 & $\mp$0.15 & 0.01 \\
La II & $\pm$0.04 & $\pm$0.07 & $\mp$0.02 & 0.03 \\
Ce II & $\pm$0.02 & $\pm$0.07 & $\mp$0.01 & 0.04 \\
Nd II & $\pm$0.02 & $\pm$0.06 & $\mp$0.03 & 0.04 \\
Dy II & $\pm$0.05 & $\pm$0.06 & $\pm$0.00 & 0.04 \\
\hline                  
\end{tabular}
\end{table}