\begin{table}%tB.4 \caption{\label{tab: results log VLA}Complete results of VLA observations at 6.9~mm and 1.3, 3.5, and 6.2~cm.} %\centering \par \begin{tabular}{lcccccccc} \hline \hline \noalign{\smallskip} Obs. date & Effective & Target source\tablefootmark{a} & \multicolumn{2}{c}{Continuum flux\tablefootmark{b}} & rms\tablefootmark{c} & Gaussian size & RA\tablefootmark{b} & Dec\tablefootmark{b} \\ & wavelength & & (Peak) & (Integ.) & & (arcsec) & (J2000) & (J2000) \\ & (mm) & & \multicolumn{2}{c}{(mJy)} & (mJy/bm) & & & \\ \hline \noalign{\smallskip} 20080310 & 6.93 & CoKu Ser G3 & \multicolumn{2}{c}{${<}1.2$\tablefootmark{d}} & 0.4 & -- & 18 29 01.8 & +00 29 54.5 \\ & & 182900.88+002931.5 & \multicolumn{2}{c}{${<}0.7$\tablefootmark{d}} & 0.2 & -- & 18 29 00.9 & +00 29 31.5 \\ & & EC 90 & \multicolumn{2}{c}{${<}1.0$\tablefootmark{d}} & 0.3 & -- & 18 29 57.7 & +01 14 05.7 \\ & & VV Ser & \multicolumn{2}{c}{${<}0.7$\tablefootmark{d}} & 0.2 & -- & 18 28 47.9 & +00 08 39.8 \\ & & EC 97 & \multicolumn{2}{c}{${<}0.6$\tablefootmark{d}} & 0.2 & -- & 18 29 58.2 & +01 15 21.7 \\ & & 182850.20+000949.7 & \multicolumn{2}{c}{${<}0.6$\tablefootmark{d}} & 0.2 & -- & 18 28 50.2 & +00 09 49.6 \\ & & EC 82 & \multicolumn{2}{c}{${<}0.5$\tablefootmark{d}} & 0.2 & -- & 18 29 56.9 & +01 14 46.4 \\ 20080311 & 13.4 & CoKu Ser G3 & 8.66 & 9.81 & 0.06 & $1.17 \times 0.91$ & 18 29 01.8 & +00 29 54.8 \\ & & 182900.88+002931.5 & \multicolumn{2}{c}{${<}0.17$\tablefootmark{d}} & 0.06 & -- & 18 29 00.9 & +00 29 31.5 \\ & & EC 90 & \multicolumn{2}{c}{${<}0.24$\tablefootmark{d}} & 0.08 & -- & 18 29 57.7 & +01 14 05.7 \\ & & VV Ser & \multicolumn{2}{c}{${<}0.17$\tablefootmark{d}} & 0.06 & -- & 18 28 47.9 & +00 08 39.8 \\ & & EC 97 & \multicolumn{2}{c}{${<}0.15$\tablefootmark{d}} & 0.05 & -- & 18 29 58.2 & +01 15 21.7 \\ 20080313 & 13.4 & 182850.20+000949.7 & \multicolumn{2}{c}{${<}0.20$\tablefootmark{d}} & 0.07 & -- & 18 28 50.2 & +00 09 49.6 \\ & & 182909.80+003445.9 & \multicolumn{2}{c}{${<}0.23$\tablefootmark{d}} & 0.08 & -- & 18 29 09.8 & +00 34 45.8 \\ & & EC 82 & \multicolumn{2}{c}{${<}0.28$\tablefootmark{d}} & 0.09 & -- & 18 29 56.9 & +01 14 46.4 \\ 20080314 & 35.5 & EC 82 & \multicolumn{2}{c}{${<}0.09$\tablefootmark{d}} & 0.03 & -- & 18 29 56.0 & +01 14 49.9 \\ & & EC 90 & \multicolumn{2}{c}{${<}0.09$\tablefootmark{d}} & 0.03 & -- & 18 29 56.0 & +01 14 49.0 \\ & & EC 97 & \multicolumn{2}{c}{${<}0.09$\tablefootmark{d}} & 0.03 & -- & 18 29 56.0 & +01 14 49.0 \\ & & CoKu Ser G3 & 1.11 & 1.11 & 0.03 & $2.49 \times 2.35$ & 18 29 01.8 & +00 29 54.7 \\ & & 182900.88+002931.5 & \multicolumn{2}{c}{${<}0.10$\tablefootmark{d}} & 0.03 & -- & 18 29 05.0 & +00 29 44.0 \\ & & VV Ser & 0.14 & 0.17 & 0.03 & $3.25 \times 2.31$ & 18 28 47.9 & +00 08 40.1 \\ & & 182850.20+000949.7 & \multicolumn{2}{c}{${<}0.08$\tablefootmark{d}} & 0.03 & -- & 18 28 40.0 & +00 09 13.0 \\ 20080315 & 61.7 & EC 82 & \multicolumn{2}{c}{${<}0.09$\tablefootmark{d}} & 0.03 & -- & 18 29 57.0 & +01 14 40.0 \\ & & EC 90 & \multicolumn{2}{c}{${<}0.09$\tablefootmark{d}} & 0.03 & -- & 18 29 57.0 & +01 14 40.0 \\ & & EC 97 & \multicolumn{2}{c}{${<}0.09$\tablefootmark{d}} & 0.03 & -- & 18 29 57.0 & +01 14 40.0 \\ & & CoKu Ser G3 & 0.91 & 1.00 & 0.04 & (unresolved) & 18 29 01.9 & +00 29 54.9 \\ & & 182900.88+002931.5 & \multicolumn{2}{c}{${<}0.12$\tablefootmark{d}} & 0.04 & -- & 18 29 07.0 & +00 32 09.0 \\ & & VV Ser & \multicolumn{2}{c}{${<}0.14$\tablefootmark{d}} & 0.05 & -- & 18 29 47.0 & +00 09 11.0 \\ & & 182850.20+000949.7 & \multicolumn{2}{c}{${<}0.14$\tablefootmark{d}} & 0.05 & -- & 18 29 47.0 & +00 09 11.0 \\ \hline \end{tabular} \tablefoot {\tablefoottext{a}{In the case of SSTc2d names, only the coordinates (in J2000) are shown.} \\ \tablefoottext{b}{Continuum flux and position are obtained using the AIPS task JMFIT, which fits elliptical Gaussians to the cleaned image. For sources that were detected at 3$\sigma$, both the peak (Peak) and the integrated (Integ.) flux are shown. For sources that were not detected, the coordinates of the phase centre are quoted.} \\ \tablefoottext{c}{Calculated from the cleaned image.} \\ \tablefoottext{d}{Quoted value is 3$\sigma$ upper limit.}} \end{table}