\begin{table}%t3 \caption{\label{tcgthi}Observed parameters of the continuum sources in G31.41+0.31.} \small%\centering \par \begin{tabular}{lccccccccc} \hline\hline Source & $\lambda$ & $\alpha$(J2000) & $\delta$(J2000) & $F_{\rm peak}$ & \Tsb & {\it FWHP} & \Ths & $S_\nu$ & rms \\ & (cm) & & & (mJy/beam) & (K) & (arcsec) & (arcsec) & \mcu{(mJy)} & (mJy/beam) \\ \hline A & 3.6 & 18 47 34.305 & --01 12 45.97 & 0.32 & 116 & 0\farcs22 & -- & 0.32 & 0.033 \\ B & 3.6 & -- & -- & $<$0.1 & $<$36 & -- & -- & 0.11 & $''$ \\ \hline A & 1.3 & 18 47 34.306 & --01 12 45.94 & 0.53 & 163 & 0\farcs108 & 0\farcs061 & 0.76 & 0.033 \\ B & 1.3 & 18 47 34.315 & --01 12 45.81 & 0.35 & 106 & 0\farcs113 & 0\farcs069 & 0.46 & $''$ \\ \hline A & 0.7 & 18 47 34.305 & --01 12 45.94 & 0.91 & 194 & 0\farcs071 & 0\farcs045 & 1.47 & 0.084 \\ B & 0.7 & 18 47 34.314 & --01 12 45.80 & 0.70 & 150 & 0\farcs068 & 0\farcs039 & 0.88 & $''$ \\ \hline \end{tabular} \vspace*{4mm} \end{table}