\begin{table}%T3
\caption{\label{tababun}Uncertainties in abundance determination for HD 4256.}
\small%\centering
\par
\begin{tabular}{lrrrrr}
\hline
\hline\noalign{\smallskip}
El & d$T_{\rm eff}$&  d$\log g$ & d$V_{\rm t}$ & d[Fe/H] &  
Total\\
\noalign{\smallskip}\hline
\ion{O}{i} &--0.03& 0.07&0.00&0.05 &0.10\\
\ion{Na}{i}&--0.01&0.07&0.04& 0.03 &0.09\\
\ion{Mg}{i}&--0.01&0.03&0.02&0.03 &0.05\\
\ion{Al}{i}&--0.02&0.04&0.03&0.01 &0.06\\
\ion{Si}{i}&0.00&--0.02&0.01&0.04 &0.05\\
\ion{Ca}{i}&0.02&0.05&0.05&0.03 &0.08\\
\ion{Sc}{ii}&0.00&--0.05&0.05	&0.07 &0.10\\
\ion{Ti}{i} &--0.02&0.01&0.05	&0.01 &0.06\\
\ion{V}{i}&--0.03&0.01&0.05&0.01 &0.06\\
\ion{Cr}{i}&--0.02&0.01&0.03&0.01 &0.06\\
\ion{Fe}{i}&--0.01&0.01&0.04&0.04 &0.06\\
\ion{Fe}{ii}&--0.02&0.05&--0.03&--0.07 &0.10\\
\ion{Co}{i}&--0.01&--0.02	&0.05&0.04 &0.07\\
\ion{Ni}{i}&0.00&--0.01&0.05&0.05 &0.08\\
\ion{Zn}{i}&0.00&0.04&0.03&0.08 &0.10\\
\hline
\end{tabular}
\end{table}