\begin{table}%t4
\caption{Results from  dust modelling  (with 1$\sigma$ errors).}\label{dust}
%\centering
\par
\begin{tabular}{lccclcc}
\hline
\hline
&
\multicolumn{3}{c}{{dCSE}} & 
\multicolumn{3}{c}{{aCSE}} \\
\cline{2-4} \cline{6-7}
\multicolumn{1}{l}{{Source}} &
\multicolumn{1}{c}{$M_{{\rm dust}}$} &
\multicolumn{1}{c}{$T_{{\rm dust}}$}&
\multicolumn{1}{c}{$R_{{\rm s}}$}& &
\multicolumn{1}{c}{$\dot{M}_{{\rm gas}}$} &
\multicolumn{1}{c}{$\Psi$}  \\
&
\multicolumn{1}{c}{[${M}_{\odot}$]} &
\multicolumn{1}{c}{[K]} &
\multicolumn{1}{c}{[cm]}  & &
\multicolumn{1}{c}{[${M}_{\odot}~{\rm yr}^{-1}$]} &\\
\hline
R Scl        & $(3.2\pm2.0)\times10^{-5}$ & $75\pm15$ & $(1.2\pm0.6)\times10^{17}$ & & $<$$3.8\times10^{-7}$ & $1.7\times10^{-3}$ \\
U Cam      & $1.5\times10^{-6} {-} 1.0\times10^{-3}$    & $70\pm45$ & -- & & $<$$4.0\times10^{-7}$  & $1.2\times10^{-3}$   \\
U Ant        & $(1.3\pm1.2)\times10^{-4}$ & $55\pm20$ & $(5.1\pm4.0)\times10^{17}$ & & $<$$7.0\times10^{-8}$ & $3.0\times10^{-3}$ \\
V644 Sco & $(1.4\pm0.9)\times10^{-4}$ & $61\pm9$   & $(1.8\pm0.7)\times10^{17}$ && $<$$5.0\times10^{-8}$ & -- \\
DR Ser     & $(3.5\pm2.5)\times10^{-5}$ & $68\pm13$ & $(1.5\pm0.7)\times10^{17}$ && $<$$7.0\times10^{-8}$ &   -- \\
S Sct         & $(8.0\pm7.0)\times10^{-4}$  & $34\pm9$ & $(1.3\pm0.8)\times10^{18}$ && $<$$8.0\times10^{-8}$ & -- \\
TT Cyg     & $(4.3\pm3.7)\times10^{-4}$ & $39\pm10$ & $(6.9\pm4.1)\times10^{17}$ && $<$$3.2\times10^{-8}$ & -- \\
\hline
\end{tabular}
\end{table}