\begin{table}%t1
  \caption{\label{tab:prior}Coefficients of the lensfit prior function.}
  %\centering
\par
  \begin{tabular}{lrrr}
    \hline\hline
    Coeff. & STEP1 & A~315 & A~1456  \\\hline
    $B$ & $0.029$ & $0.042 $ & $0.068$ \\
    $C$ & $0.45$  & $0.44$   & $0.44$  \\
    $D$ & $42.7$  & $32.6$   & $30.5$  \\\hline
  \end{tabular}
\end{table}