\begin{table}%T2 \caption{\label{tab2}Image parameters for naturally weighting maps of new VLBA 5~GHz data. } \small%\centering \par \begin{tabular} {ccccccc} \hline \hline\noalign{\smallskip} Epoch & BCG& Calibrator& {\it HPBW} &noise & Peak& Total flux density\\ yy-mm-dd& & &mas$\times$mas, deg & mJy/beam & mJy/beam& mJy\\ \hline 2007-06-08&NGC~2329&J0712+5033 &3.31~$\times$~1.66, 30.20&0.10&62.4&77.1\\ &NGC~708&J0156+3914&2.92~$\times$~1.57, $-$15.90&0.11&3.2&3.2\\ 2007-06-14&IC~708&J1153+4931&2.24~$\times$~1.81, $-$4.25&0.10&35.5&44.2\\ &IC~712&J1153+4931&2.23~$\times$~1.8, $-$6.94&0.09&$-$&$-$\\ &NGC~3842&J1125+2005&3.05~$\times$~1.81, 2.99&0.14&$-$&$-$\\ &NGC~4874&J1257+3229&2.73~$\times$~1.83, $-$7.18&0.10&7.37&10.1\\ 2007-06-17&NGC~6041&J1606+1814&3.20~$\times$~1.70, $-$6.47&0.09&7.63&7.83\\ &NGC~6047&J1606+1814&3.27~$\times$~1.68, $-$8.09&0.11&$-$&$-$\\ &UGC~10143&J1606+1814&3.28~$\times$~1.70,6.67&0.12&$-$&$-$\\ &UGC~10187& J1606+1814&3.31~$\times$~1.7, $-$7.57&0.11&$-$&$-$\\ 2008-02-08&NGC~910&J0219+4727&3.73~$\times$~2.23, 29.50&0.10&$-$&$-$\\ &3C~75A&J0249+0619&6.40~$\times$~2.21, 25.4&0.13&20.2&22.0\\ &3C~75B&J0249+0619&5.80~$\times$~4.31,19.7 &0.13&37.6&44.5\\ 2008-02-09&UGC~2489&J0310+3814&4.87~$\times$~2.23, 16.80&0.11&2.6&3.5\\ 2008-02-16&NGC~7768&J2347+2719&3.51~$\times$~1.40, $-$7.15&0.09&0.72&1.3\\ &UGC~3274&J0517+0648&3.51~$\times$~1.53, 0.28&0.08&$-$&$-$\\ 2008-02-17&NGC~2832&J0919+3324&3.63~$\times$~1.68, 23.10&0.10&$-$&$-$\\ 2008-02-22&4C~29.41&J1103+3014&3.04~$\times$~1.63, $-$4.56&0.07&36.7&39.2\\ 2008-02-28&NGC~3550&J1103+3014&3.02~$\times$~1.62,-6.37&0.09&$-$&$-$\\ &IC~2738&J1127+3620&2.73~$\times$~1.69, $-$17.20&0.13&$-$&$-$\\ 2008-03-16&CGCG~261-059&J0742+5444 &4.03~$\times$~1.63, $-$32.30&0.11&1.9&3.2\\ &NGC~6173&J1652+3902&4.07~$\times$~1.94, $-$3.03&0.11&1.1&1.3\\ &NGC~6086&J1634+3203&4.78~$\times$~2.20, $-$2.54&0.11&$-$&$-$\\ \hline \end{tabular} \tablefoot{For each source (Col.~2), we give the epoch of observation (Col.~1), the calibrator (Col.~3), the beam size and PA (Col.~4), the noise (Col.~5), the intensity peak (Col.~6), and the total flux density (Col.~7) of final naturally weighted maps.} \end{table}