\begin{table}%ta1
\caption{Coefficients for the polynomial fits described in the Appendix.}
%\centering
\par
 \begin{tabular}{rrrrrrrrr}
\hline
\hline 
$a_0$ &$a_1$  &$a_2$ &$a_3$ &$a_4$  &$a_5$ &$a_6$  &$a_7$ &$a_8$ \\
3.8911&--0.4273&0.1806&0.2168&--0.7049&0.5227&--0.0609&0.3989&  \\
\hline\noalign{\smallskip}
$b_0$ &$b_1$&$b_2$&$b_3$&$b_4$&$b_5$&$b_6$&$b_7$&$b_8$ \\
2.4   &11.7 &--7.1 &10.4 &--47.1&--3.5 &39.9 &     & \\
\hline\noalign{\smallskip}
$c_0$   &$c_1$  &$c_2$  &$c_3$ &$c_4$  &$c_5$&$c_6$  &$c_7$&$c_8$  \\
--276.874&144.304&--18.803&76.782&--40.744&5.403&--15.724&8.378&--1.116\\
\hline
\end{tabular} 
\end{table}