\begin{table}%t2
%\centering
\par
\caption{\label{tab:abund}Abundances in the atmosphere of \hd\ with the error estimates based on~$n$ measured lines. Abundances derived in our study are compared with those reported by \citet{KRW96} and BNC08. The solar abundances are from \citet{asplund}.}
\small \begin{tabular}{lcclrlrc}
\hline \hline
Ion & \citet{KRW96} & BNC08  &\multicolumn{4}{c}{This paper} &Sun \\
&$\log (El/N_{\rm tot})$ &$\log (El/N_{\rm tot})$ & $\log (El/N_{\rm tot})$ & $n$ & with HFS & $n$ &$\log (El/N_{\rm tot})$\\  
\hline
\ion{C}{i}&--4.00 & --3.60 &$-$3.92$\pm$0.20 & 14 && &$-$3.65\\    \ion{N}{i}& --4.40:&&$-$4.53$\pm$0.07 &  4 &&&$-$4.26\\     \ion{O}{i}& --3.80 & --3.53 &$-3.58\pm0.22$ &  5 &&&$-$3.38\\     \ion{Na}{i}& --5.90&--6.08 &$-5.91\pm 0.06$ & 2 && &$-$5.87 \\      \ion{Mg}{i} & & --4.52 & $-4.52\pm 0.15$ & 7 &&&$-$4.51 \\  \ion{Mg}{ii}& --4.46:& &$-$4.36: & 1 &&&$-$4.51\\
\ion{Al}{i} && --5.49 & $-$5.52: & 1 &&&$-$5.67\\
\ion{Si}{i} & --4.20 & --4.67 &$-4.51\pm0.20$ & 15& &&$-$4.53\\     \ion{Si}{ii}& & &$-4.20\pm0.15$ &4 && &$-$4.53\\
\ion{S}{i} & & --4.55 &$-5.01\pm0.19$ &  6 & & & $-$4.90\\      \ion{K}{i} & & &$-$7.22:  &  1 &  & & $-$6.96\\ 
\ion{Ca}{i} & --5.15 & --5.54 & $-5.29\pm0.16$ & 13 &                &&$-$5.73\\
\ion{Ca}{ii}   & & & $-5.09 \pm 0.26$ &  5 &  & &$-$5.73 \\     \ion{Sc}{ii}   & --9.80 & --9.41 &$-9.39\pm0.19$ &  7 &               &&$-$8.99\\      \ion{Ti}{i}    & --6.87 & --7.34 & $-$7.33$\pm$0.19 &  3 & & &$-$7.14\\
\ion{Ti}{ii}   & --6.87 & --7.31 & $-7.23\pm0.17$ & 11 &              &    &$-$7.14\\
\ion{V}{i}     & --7.65 & --7.44 & ~~$-$7.48: &  1 &                  &    &$-$8.04\\
\ion{V}{ii} & & &$-7.41\pm0.24$ &  8 & & &$-$8.04 \\      \ion{Cr}{i} & --5.55 & --5.92 & $-5.70\pm0.21$ & 23 &                  &    &$-$6.40\\
\ion{Cr}{ii}   & --5.55 & --5.91 & $-5.46\pm0.35$ & 21 &                  & &$-$6.40\\
\ion{Mn}{i}    & --6.00 & --5.97 & $-6.14\pm0.20$ & 19 &~~$-6.41\pm0.21$ & 14 &$-$6.65\\
\ion{Mn}{ii}   & --6.00 & --5.97 & $-5.98\pm0.14$ &  7 &~~$-6.20\pm0.10$ &  7 &$-$6.65\\
\ion{Fe}{i}    & --4.50 & --4.71 & $-4.61\pm0.17$ &116 &           &    &$-$4.59\\
\ion{Fe}{ii}   & --4.50 & --4.62 & $-4.39\pm0.17$ & 30 &             & &$-$4.59 \\
\ion{Co}{i}    & --5.50 & --5.92 & $-5.93\pm0.26$ & 27 &$-6.35\pm0.36$ &  8 &$-$7.12\\
\ion{Co}{ii}   & --5.50 & &$-5.63\pm0.31$ &  5 &  &  &$-$7.12\\     \ion{Ni}{i}    & --6.15 & --6.39 & $-6.51\pm0.26$ &  8 &                  &    &$-$5.81\\
\ion{Se}{i}    &       & & $-$8.40: &  1 & &  &$-$8.71 \\      \ion{Sr}{i}    & &  & $-7.27\pm0.13$ &  5 &  &    &$-$9.12\\      \ion{Sr}{ii}   & --7.25 & &$-8.70\pm0.50$ &2&&&$-$9.12\\     \ion{Y}{i}     &  &&$-$7.90: & 1 & & &$-$9.83\\
\ion{Y}{ii}    & --8.50 & --8.95 &$-8.65\pm0.17$ & 11 &                  & &$-$9.83\\
\ion{Zr}{ii}   & --9.00 & --9.08 &$-9.34\pm0.12$ &  3 &               &    &$-$9.45\\
\ion{Ba}{ii}   &--10.30 &--10.57 & $-10.17\pm0.13$ &  2 &              &    &$-$9.87\\
\ion{La}{ii}   &--10.32:& & $-10.21\pm0.17$ &  4 &                  &&$-$10.91\\
\ion{Ce}{ii}   & --9.40 & --9.72 & $-9.47\pm0.18$ & 11 &             & &$-$10.46\\
\ion{Ce}{iii}  & &  & $-$7.63: &  1 &  & &$-$10.46\\      \ion{Pr}{ii}   &--10.40 & &$-$10.16: &1 & &&$-$11.33\\     \ion{Pr}{iii}  &       &       & $-8.49\pm0.23$ & 11 &                  &&$-$11.33\\
\ion{Nd}{ii}   & --9.30 & --9.56 & $-9.50\pm0.19$ & 19 &               & &$-$10.59\\
\ion{Nd}{iii}  & & --8.53 &$-7.83\pm0.26$ & 22 & & &$-$10.59\\      \ion{Sm}{ii}   & --9.50 & & $-9.66\pm0.24$ & 21 & &&$-$11.03\\     \ion{Eu}{ii}   & --9.40 & --9.94 &$-9.67\pm0.07$ &  5 &$-9.89\pm0.12$&  4 &$-$11.52\\
\ion{Gd}{ii}   & --9.45 & & $-9.45\pm0.26$ & 5 & & &$-$10.93\\     \ion{Tb}{ii}   & & & $-10.2 \pm 0.3$: &2& &&$-$11.76\\      \ion{Tb}{iii}  & & & $-8.36\pm0.28$ &  6 & & &$-$11.76\\      \ion{Dy}{ii}   &--10.00 & & $-9.54\pm0.27$ &  4 & & &$-$10.90\\     \ion{Dy}{iii}  & & & $-7.28\pm0.33$ &  6 & &  &$-$10.90 \\      \ion{Ho}{ii}   & & & $-$9.20: &1 &$-10.5\pm0.2$&4 &$-$11.53\\      \ion{Er}{ii}   & & &$-9.90\pm0.29$ &  5 &&&$-$11.11\\      \ion{Er}{iii}  & &  & $-7.71\pm0.11$ & 2 & & &$-$11.11\\      \ion{Tm}{iii}  & & & $-$7.85: &1 & & &$-$12.04\\
$\teff$ (K)    & $7900\pm200$   & $7420\pm170$ &\multicolumn{4}{c}{$7500\pm130$}      & 5777\\
$\logg$        & $4.20\pm0.15$  & $4.09\pm0.08$  &\multicolumn{4}{c}{$4.10\pm0.15$}      & 4.44  \\ \vt\ (\kms)    & $1.50\pm0.15$  & $1.60\pm0.15$  &\multicolumn{4}{c}{$1.20\pm0.20$}      &       \\  \hline						\end{tabular}
\end{table}