\begin{table}%t2
\setcounter{table}{1}
%\centering
\par
\caption{\label{t2}The best-fit coefficients.}
\begin{tabular}{c c c}
\hline\hline
      & Coefficients & Errors\\
      \hline
$a_{0}$ & 0.00201 & 0.00002\\
$\alpha$ & $-9.6\times10^{-8}$ & $0.1\times10^{-8}$\\
$\beta$ & $9.3\times10^{-13}$ & $0.1\times10^{-13}$\\
$a_{1}$ & $-$0.00084 & 0.00002\\
$b_{1}$ & $-$0.00037 & 0.00001\\
$a_{2}$ & $-$0.00003 & 0.00001\\
$b_{2}$ & $-$0.00004 & 0.00001\\
\hline
\end{tabular} 
\end{table}