\begin{table}%t3
%\centering
\par
\caption{Average iron abundance and ratio of heavy element abundances to iron
  for the five targets stars. The columns are as follows: F66 = Feige~66; CD~=~\cd; PG~=~\pg; CPD~=~\cpd; F48~=~Feige~48. Abbreviations: n-v~=~non-variable,
  var.~=~variable.\label{tab:fetrend}}
\begin{tabular}{l|rrr|rr}
\hline\hline
 & F66 & CD & PG & CPD & F48 \\
 & n-v & n-v & var. & n-v & var.\\
Fe & 6.46 & 6.85 & 7.23 & 7.43 & 7.68 \\
\hline
Ca/Fe & 1.63    & 0.65    & 0.50     &  $-$0.46  &  $-$0.37 \\
Ti/Fe & 0.50    & $-$1.03 & $-$0.65  &  $-$1.74  &  $-$2.50\\
V/Fe  & $-$0.09 & $-$1.08 & $-$1.08  &  $-$2.95  &   --   \\ 
Cr/Fe & 0.84    & 0.23    & 0.06     &  $-$1.15  &  $-$1.68 \\
Mn/Fe & $-$0.44 & 0.10    & 0.05     &  $-$1.85  & $-$2.06 \\
Co/Fe & $-$0.05 & $-$0.69 & $-$0.50  &    --    & $-$1.83 \\
Ni/Fe & 0.39    & $-$0.61 & $-$0.19  &  $-$0.97  & $-$1.03 \\
Cu/Fe & $-$0.19 &  --    & $-$0.87  &    --    & $-$2.43\\
Zn/Fe & 0.18    & $-$0.88 & $-$0.59  &  $-$2.10  & $-$2.38\\
Ga/Fe & $-$0.93 & $-$1.62 & $-$1.70  &  $-$3.80  & $-$2.98 \\
Ge/Fe & $-$1.25 & $-$1.87 & $-$2.02  &  $-$3.86  & $-$3.66\\
Sn/Fe & $-$2.34 & $-$3.74 & $-$3.11  &  $-$4.57  & $-$4.74 \\
Pb/Fe & $-$1.76 & $-$2.55 & $-$2.53  &  $-$4.00  & $-$3.88 \\
\hline
\end{tabular}
\end{table}