\begin{table}%T5
\caption{\label{compoV}Chemical composition of \object{V~2052~Oph}.  Column~2 gives the 
number~$N$ of lines
for each ion, used to determine the chemical \mbox{abundance}.}
%\centering
\par
\begin{tabular}{llr@{\ }l}
\hline
\hline
Ion              & $N$ & \multicolumn{2}{l}{log($\epsilon_N/\epsilon_{\odot}$)}\\
\hline
\ion{He}{i}      & 4 & 0.32     & $\pm$ 0.05  \\
\ion{C}{ii}      & 3 & $-$0.13  & $\pm$ 0.04  \\
\ion{N}{ii}      & 6 & 0.10     & $\pm$ 0.06  \\
\ion{O}{ii}      & 4 & $-$0.31  & $\pm$ 0.11  \\
\ion{Si}{ii+iii} & 5 & 0.01     & $\pm$ 0.10  \\
\hline
\end{tabular}
\end{table}