\begin{table}%t3
  \caption{\label{dmasL}Properties of the far-IR dust emission in M~81.}
%\centering
\par
  \begin{tabular}{ccc}   
  \hline \hline 
   Dust component &  Far-IR luminosity  & Dust mass    \\
   & ($L_{\odot}$)&  ($M_{\odot}$)\\   \hline \noalign{\smallskip}
   Cold dust & $(3.0\pm0.2)\times 10^{9}$ &
   $(8\pm2)\times 10^6$ \\  
   Warm dust & $(1.0\pm0.2)\times 10^{9}$ &
   $(9\pm3)\times 10^3$ \\   \hline 
  \end{tabular} 
\end{table}