\begin{table}%t3
%\begin{center}
\par
\caption{Slope of the Log(parameter) versus Log($A$) after averaging over small 
ranges of size ($\Delta$Log$A=0.1$).} \label{tabpente}
\begin{tabular}{ccc}
\hline \hline
Parameter      & 25~G & 40~G \\ \hline
$|\Phi|$       & $1.210\pm0.007$ & $1.175\pm0.006$ \\
$|B_m|$         & $0.429\pm0.009$ & $0.384\pm0.007$ \\
$B_m/\bar{B}$ & $0.222\pm0.005$ & $0.209\pm0.004$ \\
$|\Phi|/A$     & $0.184\pm0.006$ & $0.161\pm0.005$ \\ \hline
\end{tabular}
%\end{center}
\end{table}