\begin{table}%t7
\caption{Comparison of abundances in \object{NGC~6826}.}\label{tab7}
\small%\centerline
 {
\begin{tabular}{lrrrrr}
\hline
\hline
Elem.  & Present & Model & Liu (1)  & Barker (2) & Solar (3)  \\ 
\hline  
He & 0.095  &0.11   &    &  0.094  & 0.098   \\
C(--4)  & 5.3 & 4.33   & 2.9 & 3.4  & 2.5\\
N(--4)  & 0.50  & 0.66  & 0.69  & 0.51  & 0.60\\
O(--4)  & 4.0  & 3.85   & 3.3 & 4.0  & 4.6 \\
Ne(--4) & 1.5 & 0.8 & 0.66 & 0.92  & 1.2 \\
Si(--6) &     & 4.32 &      &      & 32. \\
P(--7)  & 1.7 & 2.4 &      &      & 2.3 \\
S(--6)  & 2.8 & 2.38 & 2.4 & 5.9  & 14 \\   
Cl(--8) & 9.0 & 8.0 & 7.8  &       & 31. \\
Ar(--6) & 1.4 & 1.3 & 0.98  & 1.3 & 4.2  \\
Fe(--7) &     & 6.1 & 3.8    &      &  280  \\
\hline  
\end{tabular}}
\medskip
 (1) Liu et~al. (\cite{liu}); (2) Barker (\cite{barker}); (3) Solar: Asplund
et~al. (\cite{asplund}). The numbers in parentheses in the first column are
the powers of 10 by which the other columns are to be multiplied.
\end{table}