\begin{table}%t6
\caption{Predicted CO line intensities (in K~km~s$^{-1}$) for the detached shell around \object{V644~Sco}.}\label{predictions}
%\centering
\par
\begin{tabular}{lccc}
\hline
\hline
\multicolumn{1}{l}{{Transition}} & 
\multicolumn{3}{c}{$T_{{\rm kin}} [{\rm K}]$}  \\
\cline{2-4}
& 
\multicolumn{1}{c}{100}  &
\multicolumn{1}{c}{200}  &
\multicolumn{1}{c}{400}  
\\
\hline
$J=1\rightarrow 0$  &   6.5     & 5.8 &  5.1  \\
$J=2\rightarrow 1$  &   22.6  & 22.8 & 22.6 \\
$J=3\rightarrow 2$   &   20.7 & 22.9 & 25.5  \\
$J=4\rightarrow 3$  & 7.8  & 12.5 & 13.2 \\
$J=6\rightarrow 5$  & 0.58  & 1.2 &  2.3 \\
$J=7\rightarrow 6$  & 0.15   &  0.41 & 1.0 \\
$J=8\rightarrow 7$  & 0.04   & 0.15 & 0.44\\
\hline
\end{tabular}
\end{table}