\begin{table}%t4
\caption{\label{tab:fitaz}Best-fit values for the parameters $(p_0,p_1,p_2)$ of the redshift-fit for the set of coefficients~$(a_0,\ldots,a_8)$.}
%\centering
\par
\begin{tabular}[b]{c c c c}
  \hline\hline \noalign{\smallskip}
  & $p_0$ & $p_1$ & $p_2$ \\
  \hline \noalign{\smallskip}
  $a_0$       & $4.974\times 10^{-2}$ & $0.8385$ & $-7.877\times 10^{-3}$  \\
  $a_1$     & $1.854\times 10^{-3}$ & $2.614$  &  $5.926\times 10^{-3}$   \\
  $a_2$ & $-2.037\times 10^{5}$ & $2.350$  & $7.962\times 10^{3}$ \\
  $a_3$ & $-5.564\times 10^{4}$ & $3.152$  &  $-1.625\times 10^4$   \\
  $a_4$     & $3.149\times 10^{-6}$ & $0.1108$ & $-2.172\times 10^{-6}$   \\
  $a_5$     & $5.349\times 10^{-8}$ & $1.332$  & $-9.222\times 10^{-8}$   \\
  $a_6$    & $-2.406\times 10^{-3}$ & $3.116$  &  $-6.171\times 10^{-4}$  \\
  $a_7$    & $-1.444\times 10^{-4}$ & $5.068$  & $9.201\times 10^{-5}$  \\
  $a_8$    & $-4.285\times 10^{-3}$ & $2.529$  & $2.150\times 10^{-4}$  \\
 \hline
\end{tabular}
\end{table}