\begin{table} %t5
%\centering
\par
\caption {\label{modeldensity}Model densities, lower SSC cutoff frequencies and lower limits on 
the source component masses.}\vspace*{-1.5mm}
{
\begin{tabular}{cccllccc} \hline\hline
\noalign{\smallskip}
Model &   $N_0$ & c($\gamma_1^2 \nu_{\rm max,obs}$)$^{-1}$& $\rho$ & Mass &  \\
      & erg$^{-1}$~cm$^{-3}$& nm          &  cm$^{-3}$  & $M_{\odot}$ &   \\
\hline
  A$\alpha$ & 0.25& 1.3 & 3~$\times$~10$^{7}$ & 3~$\times$~10$^{-16}$& \\
  A$\beta$  & 0.22& 1.3 & 6~$\times$~10$^{7}$ & 5~$\times$~10$^{-16}$& \\
  A$\gamma$ & 14  & 1.3 & 2~$\times$~10$^{8}$ & 5~$\times$~10$^{-16}$& \\
   &   &  &  & & \\
  B$\alpha$ & 0.74& 4100 & 2~$\times$~10$^{11}$ & 2~$\times$~10$^{-12}$ & \\
  B$\beta$  & 13  & 4100 & 3~$\times$~10$^{11}$ & 3~$\times$~10$^{-12}$ & \\
  B$\gamma$ & 7   & 4100 & 2~$\times$~10$^{11}$ & 2~$\times$~10$^{-12}$ & \\
   &   &    &  & & \\
  $\xi$ & 4~$\times$~10$^{-4}$ & 4.8    & 1~$\times$~10$^{6}$ & 3~$\times$~10$^{-12}$& \\
   &   &    &  & & \\
  A$_{\rm low}$    &0.39 & 1.0  & 1~$\times$~10$^{7}$ & 3~$\times$~10$^{-18}$& \\
  B$_{\rm low}$    &0.013& 7300 & 3~$\times$~10$^{11}$ & 8~$\times$~10$^{-13}$ & \\
  Q$_{\rm spot}$   & 7~$\times$~10$^{-4}$ & 56    & 3~$\times$~10$^{7}$ & 9~$\times$~10$^{-18}$& \\
\hline
\end{tabular}
}
\vspace*{-2mm}
\end{table}