\begin{table}%t2
\caption{Statistics on the Effelsberg data.}
\label{stat}
%\centering
\small
\begin{tabular}{l c c c c c}
\hline\hline
%& & & & & \\[-8pt]
Freq. & $\langle$$F_\nu$$\rangle$ & $\sigma$ & $\epsilon$ & $\chi^2_{\rm r}$ & $m$ \\
(GHz) & (Jy)          & (Jy)     & (Jy)       &                  & (\%) \\
\hline
\multicolumn{6}{c}{August 2, 2004}\\
10.5  & 1.465     & 0.013    & 0.006 & 3.76 & 0.89\\
4.9   & 1.418     & 0.004    & 0.008 & 0.29 & 0.28\\
\hline
\multicolumn{6}{c}{January 28, 2005}\\
10.5  & 1.250     & 0.012    & 0.009 & 1.66 & 0.96\\
4.9   & 1.311     & 0.005    & 0.007 & 0.45 & 0.38\\
\hline
\end{tabular}
\end{table}