\begin{table}%t4
\caption{\label{irontable}Fe abundances for stars in NGC~752 and for three stars in the Hyades.
The average metallicities and their random errors are also given.}
%\centering
\par
\begin{tabular}{cccccccccccc}
\hline
\hline
Fe~{\sc i} line & & & & &\nfe  & & & \vline& \\
    ($\rm{\AA}$) &~P475 &~P520 &~P552 &~P699 &~P864 &~P964 &~P983 &\vline & vB21 & vB182 & vB187 \\
\hline
5930.18 &7.54 &7.55 &-- &-- &7.57 &7.53 &7.59&\vline &-- &7.60 & 7.63 \\
5934.65 &7.60 &7.55 &7.62 &-- &-- &7.57 &7.52&\vline &-- &-- & -- \\
5956.69 &7.60 &7.54 &7.63 &7.47 &--  &--  &-- &\vline   &--  &--  &-- \\
5976.77  &7.48 &7.48 &7.48 &7.61 &-- &7.55 &--&\vline &-- &-- &--\\
5984.81 &7.55 &7.44 &7.45 &7.57 &7.44 &7.55 &--&\vline &-- &7.66 &7.72\\
5987.07 &7.63 &-- &7.59 &7.64 &-- &-- &--&\vline &7.72 &7.70 &--\\
6024.06 &7.44 &7.55 &7.58 &7.40 &7.52 &-- &7.51&\vline &-- &-- &--\\
6056.00 &7.45 &7.50 &7.62 &7.57 &7.46 &7.53 & 7.61&\vline&-- &-- &--\\
6078.49 &7.60 &-- &7.62 &7.49 &-- & 7.53&7.65&\vline &7.71 &7.70 &7.70\\
6136.99 &7.46 &7.53 &7.51 &-- &7.46 &7.50 &7.56&\vline &-- &-- &--\\
6157.73&7.57 &-- &7.63 &7.48 &7.47 &7.50 &7.43&\vline &7.63 &7.68 &7.65\\
6187.99&7.54 &7.51 & 7.57&7.51 &7.49 &7.57 &7.58&\vline &7.72 &7.70 &7.68\\
6200.31 &7.55 &7.52 &7.47 &7.44 &7.58 & 7.50&7.63&\vline &7.68 &7.66 &7.69\\
6315.81 &7.55 &7.54 &7.50 &7.56 &7.48 &7.49 &--&\vline &7.62 &-- &7.69\\
6322.69 &7.58 &7.52 &7.50 &7.60 &7.55 &7.58 &7.62&\vline &-- &7.60 &7.72 \\
6330.85 & 7.52&-- &-- &7.42 &7.52 &-- &--&\vline &7.62 & --& 7.61\\
6336.82&7.57 &-- &-- &-- &7.50 &7.51 &7.49&\vline &-- &-- & --\\
6344.15 &7.46 &-- & --&7.49 &7.53 &-- &--&\vline &-- &-- & --\\
6469.19 &-- &7.55 &7.63 &7.56 &-- &7.52 &--&\vline & --& 7.70&-- \\
6498.94 & 7.49&-- &7.52 &7.61 &7.53 &7.51 &7.55&\vline &7.60 &7.61 &-- \\
6574.23 &7.58 &-- &7.59 &-- &7.45 &7.50 &--&\vline &7.60 &7.61 & --\\
6609.11 &7.46 &7.44 &7.49 &7.57 &7.48 &-- &--&\vline & 7.69 &7.70 &7.71 \\
6627.55 &7.56 &-- &-- &7.58 &7.43 &-- &7.59&\vline &7.63 &-- & 7.62\\
6703.57 &-- &-- &7.59 & --&-- &7.65 &7.58&\vline &7.63 &7.67 & 7.64\\
6725.36 &-- &7.49 &-- &-- &7.59 & --&--&\vline& 7.70 & 7.65 & 7.66 \\
6726.66 &-- &7.55 &7.59 &7.57 &7.46 &7.60 &7.59&\vline &7.70 &7.66 &7.68 \\
6750.15 &7.47 &7.45 &7.61 &7.39 & 7.49&7.57 &7.53&\vline &7.58 &-- &7.62 \\
average  &7.53 &7.51 &7.56 &7.53 &7.50 &7.54 &7.56&\vline &7.66 &7.66 & 7.67\\
${\sigma}_{1}$ &$\pm$0.06 &$\pm$0.04 &$\pm$0.06 &$\pm$0.07 &$\pm$0.05 &$\pm$0.04 &$\pm$0.06&\vline &$\pm$0.05 &$\pm$0.04 & $\pm$0.04\\
${\sigma}_{2}$ &$\pm$0.10 &$\pm$0.10 &$\pm$0.10 &$\pm$0.10 &$\pm$0.10 &$\pm$0.10 &$\pm$0.10&\vline &$\pm$0.09 &$\pm$0.09 & $\pm$0.10\\
\hline
\end{tabular}
\end{table}