\begin{table}%[h]%t3
%\centering
\par
\caption{Detailed results of the fits to the dust emission in two sources with
two independent gray bodies (see text).}
\label{tab_dust}
\begin{tabular}{lllllll}
\hline\hline
%\noalign{\smallskip}
$T_{\rm w}$ & $\tau_{30~{\rm w}}$ & $\beta_{\rm w}$ & $T_{\rm c}$ & $\tau_{\rm 30~c}$ & $\beta_{\rm c}$ & $\chi^2$ \\
%\noalign{\smallskip}
\hline
\multicolumn{7}{c}{M+0.76--0.05} \\
\hline
%\noalign{\smallskip}
25   & 0.27 & 1    & 13.9 & 101  & 3   & 162  \\
25   & 0.27 & 1    & 14   & 16.8 & 2   & 158\\
25   & 0.27 & 1    & 15   & 1.83 & 1   & 157 \\
24   & 0.60 & 1.5  & 15   & 6.3  & 1.5 & 166 \\
24   & 0.63 & 1.5  & 14   & 59.6 & 2.5 & 168 \\
23   & 1.63 & 2    & 13.4 & 58.1 & 2.0 & 180 \\
23   & 1.70 & 2    & 13.2 &174.3 & 2.5 & 170 \\
\hline
\multicolumn{7}{c}{M+0.21--0.12} \\
\hline
41.8   &  0.035 & 1   & 16.8 & 0.70 & 1   & 37 \\
41.6   &  0.036 & 1   & 14.6 & 9.04 & 2   & 38 \\
41.3   &  0.038 & 1   & 13.4 & 91.2 & 3   & 40 \\
38.6   &  0.082 & 1.5 & 15.4 & 18.9 & 2.5 & 44 \\
39.0   &  0.076 & 1.5 & 17.5 & 1.68 & 1.5 & 40 \\
36.0   &  0.183 & 2   & 16.7 & 6.17 & 2   & 41 \\
35.6   &  0.203 & 2   & 15   & 63.6 & 3   & 47  \\
%\noalign{\smallskip}
\hline
\end{tabular}
\end{table}