\begin{table}%tA.2
%\centering
\par
\caption{The calculated parameters for each magnitude interval for the
Pleiades. With the exception of~$f$ all parameters
have units of milliarcseconds per year.\label{parPL}}
\begin{tabular}{cccccccc}
\hline\hline
Interval&$f$&$\sigma$&$\mu_{x\rm c}$&$\mu_{y\rm c}$&$\tau$&$\Sigma_{x}$&$\mu_{x\rm f}$\\
\hline
$10<R<12$&0.77&3.31&-0.11&46.0&17.4&21.2&4.21\\
$12<R<14$&0.72&2.65&0.32&46.8&15.5&20.4&5.86\\
$14<R<16$&0.66&2.56&0.85&47.5&20.0&20.2&8.91\\
$16<R<17.5$&0.63&3.11&0.68&48.1&16.3&20.5&6.92\\
$R>17.5$&0.89&3.52&0.45&48.25&15.1&18.2&6.06\\
\hline
\end{tabular}
\end{table}