\begin{table}%[bhtp]%T6
    \caption{Rotation temperatures (K). Numbers in brackets denote uncertainties.}
    \label{tab:trot}
    %\centerline
{
    \begin{tabular}{lrrrr}
\hline \hline
\noalign{\smallskip}
Source        & \multicolumn{2}{c}{SO} &\multicolumn{1}{c}{\soo} & \chhhoh$^c$ \\
        & \multicolumn{2}{c}{\hrulefill} & \\
              & Narrow & Broad &          \\
\hline   
W3 IRS5       & $>$100 & $>$100  & 154(14)$^a$ &  73(32)\\ 
MonR2 IRS3    & 47(20) & $>$100  & 125(35)     & 110(20)\\
NGC 6334 IRS1 & 75(72) &  ...    &  45(15)     & 213(37)\\
W33A          & 54(18) &  96(64) & 124(12)     & 155(19)\\
AFGL 2136     & 59(24) &  34(9)  & $>$200      & 143(12)\\
AFGL 2591     & 31(6)  & $>$100  & 185(28)$^b$ & 163(9) \\
S140 IRS1     & 26(4)  & $>$100  &  56(16)     & 41(4)  \\
NGC 7538 IRS1 & 65(27) &  61(25) &  47(12)     & 189(30)\\
NGC 7538 IRS9 & 48(17) &  45(15) &  ...        & 29(2)  \\
\hline
    \end{tabular}}
\par
\medskip
$^a$ Better fit with two components: \trot\ = 70(14) \& 254(20) K.\\
$^b$ Better fit with two components: \trot\ = 47(11) \& 197(67) K.\\
$^c$ From JCMT data \citep{meth00,boonman99}.
\end{table}