\begin{table}%T3 \caption{\label{tab:r068_carac}\label{tab3}Properties of the 1.3~mm continuum sources detected in the high-resolution PdBI maps.} \small%\centering \par \begin{tabular}{lcccccc} \hline \hline\noalign{\smallskip} {Source} & \multicolumn{2}{c}{Position (1.3~mm)} & {Peak flux} & {\it FWHM}\tablefootmark{1} & Flux density\tablefootmark{2} & Separation\tablefootmark{3} \\ {} & {$\alpha$ (J2000)} & {$\delta$ (J2000)} & {(mJy/beam)} & {(arcsec)} & {(mJy)} & {(AU)}\\ \hline {L1448-C} & {03:25:38.87} & {30:44:05.3} & 59 $\pm$ 0.9& 0.9 $\pm$ 0.05 & 57 $\pm$ 2 & -- \\ {L1448-C / South1}& {03:25:38.95} & {30:44:03.2} & 11 $\pm$ 0.7 & 0.7 $\pm$ 0.1 & 11 $\pm$ 2 & 600 \\ {NGC~1333-IRS2A}& {03:28:55.56} & {31:14:37.1} & 26 $\pm$ 1.16 & 0.55 $\pm$ 0.07 & 18 $\pm$ 2 & -- \\ {NGC~1333-IRS2A / SE}&03:28:56.00 & 31:14:33.1 & 7 $\pm$ 1.16 & 0.23 $\pm$ 0.04 & 4 $\pm$ 1.5 & 1900 \\ {IRAM~04191}& 04:21:56.90 & 15:29:46.1 & 2 $\pm$ 0.37 & 0.28 $\pm$ 0.02 & 0.9 $\pm$ 0.4 & -- \\ {L1527}& 04:39:53.87 & 26:03:09.8 & 50 $\pm$ 1.2 & 0.42 $\pm$ 0.05 & 65 $\pm$ 3 & -- \\ {L1521-F} & 04:28:38.94 & 26:51:35.2 & 1 $\pm$ 0.12 & 0.65 $\pm$ 0.009 & 0.8 $\pm$ 0.2 & -- \\ \hline \end{tabular} \tablefoot{\tablefoottext{1}{{\it FWHM} diameter is computed from a circular Gaussian fit to the visibilities.}\\ \tablefoottext{2}{Flux integrated above the 3$\sigma$~level.}\\ \tablefoottext{3}{Projected distance to the primary source.}} \end{table}