\begin{table}%t2
%\centering
\par
\caption{Parameters of the sigmoidal fits to the scatter plots reported in Fig. \ref{cork_g}.}
\label{table2}
\small
\begin{tabular}{lcccc}
\hline\hline
   &$A_1$ &$A_2$ &$x_0$&d$x$\\
   &[Mm]&[Mm]&[Mm]&[Mm] \\
\hline
Continuum intensity&$0.49 \pm 0.02$&$0.08 \pm 0.01$&$11.3 \pm 0.2$&$0.3 \pm 0.2$\\
FeII 722.4 LoS velocity &$0.61 \pm 0.03$&$-0.09 \pm 0.02$&$12.0 \pm 0.2$&$1.1 \pm 0.2$\\
FeI 709.0 LoS velocity &$0.67 \pm 0.08$&$-0.09 \pm 0.03$&$10.9 \pm 0.7$&$2.9 \pm 0.6$\\
\hline
\end{tabular}
\end{table}