\begin{table}%t1
\caption{\label{tab:cr_overview_observations}The maps of NGC~253 included in this paper.}
\par
%\centering
\small
\begin{tabular}{lllll}
\hline\hline
$\lambda$ \T & Resolution & rms & Dynamic & References\\
$[\rm cm]$ \B & & $[\rm mJy/beam]$ & range &\\
\hline
$90$ \T & $70\arcsec$ & $8$ & 500 & \cite{carilli_92a}\\
$20$ & $30\arcsec$ & $0.35$ & 5700 & \cite{carilli_92a}\\
$6.2$ & $30\arcsec$ & $0.03$ & 42~000 & this paper\\
$3.6$ \B & $84\arcsec$ & $0.5$ & 2000 & this paper\\
\hline
\end{tabular}
\end{table}