\begin{table}%t1
  \caption{Fluctuations on the map after 1~precession time  for~$7^\circ$~pixels.  Values for both synchronous and asynchronous thermal instabilities are reported (see text for details).}\label{scanDumpArbTab}
%\centering
\par
  \begin{tabular}{@{}lccc@{}}
     \hline \hline
     $f_{\rm tf}$                     & $N_{\rm orbit}$ & $\Delta (Q + jU)_0$ & 
     $\Delta (Q + jU)_{\rm scan}$  \\
             &    &  [1 orbit] &  [$N_{\rm orbit}$ orbits] \\
     \hline
     $f_{\rm tf} = f_{\rm day}$      & 22     &  1  & 1     \\
     $f_{\rm tf} = K\;f_{\rm day}$   & 22     &  1  & 1     \\
     $f_{\rm tf} \ne K\;f_{\rm day}$ & 22     &  1  & 0.046 \\
     \hline
\end{tabular}
\end{table}