\begin{table}%t3
\caption{\label{tab:noise-HI}Noise of \HI\ channel maps.}
\begin{tabular}{lcccc}
\hline\hline \noalign{\smallskip}
Galaxy & \multicolumn{3}{c}{Noise} & Max Signal-\\
\cline{2-4}\noalign{\smallskip}
& (Jy/beam) & (atoms~cm$^{-2}$) & (K) & to-noise \\
\hline\noalign{\smallskip}
ESO074-G015 &  0.00135 &    $1.8348 \times 10^{19}$ &   10.0 & 14.5 \\
ESO109-G021 &  0.00125 &    $2.1464 \times 10^{19}$ &   11.7 & 10.1 \\
ESO115-G021 &  0.00113 &    $1.5774 \times 10^{19}$ &    8.6 & 18.6 \\
ESO138-G014 &  0.00197 &    $1.9008 \times 10^{19}$ &   10.4 & 15.2 \\
ESO146-G014 &  0.00143 &    $2.7190 \times 10^{19}$ &   14.9 & 11.3 \\
ESO274-G001 &  0.00151 &    $1.7209 \times 10^{19}$ &    9.4 & 14.6 \\
ESO435-G025 &  0.00123 &    $1.6789 \times 10^{19}$ &    9.2 & 10.9 \\
UGC~07321    &  0.00038 &    $1.8579 \times 10^{18}$ &    1.0 & 93.0 \\
\hline
\end{tabular}
\end{table}