\begin{table}%T5
\par
%\centering
\par
\caption{Stellar IMF, taken from Kroupa (\cite{kroupa2001}). The
  third and fourth columns tabulate the contribution of each object type
  to the population and mass total.}
\label{tab:imf}
    \begin{tabular}{lccc}
      \hline
      \hline
      &Mass Range  &\multicolumn{2}{c}{Contribution (\%)} \\
      \cmidrule{3-4}
      \multicolumn{1}{c}{Type} &$M_{\odot}$ &\multicolumn{1}{c}{Population} &\multicolumn{1}{c}{Mass} \\
      \midrule
      Brown dwarfs &0.01--0.08   &37   &4.3 \\
      M dwarfs     &0.08--0.5    &48   &28  \\
      K dwarfs     &0.5--1.0     &8.9  &17  \\
      Intermediate &1.0--8.0     &5.7  &34  \\
      O stars      &$>$8        &0.37 &17  \\
      \hline
    \end{tabular}
\end{table}