\begin{table}%t3
\caption{Central positions of the 12 fields observed with VLA at 20~cm.}\label{tab3}
%\centering
\small
\begin{tabular}{ l l l l l l} 
\hline\hline
 Pointing &   RA~($\alpha$) &   Dec~($\delta$) & $I$ rms noise & $U$~($Q$) rms noise & {\it HPBW}\\
 $\#$   &   ($^{\rm h}$ $^{\rm m}$ $^{\rm s}$) & ($^{\circ}$ $\arcmin$ $\arcsec$)& ($\mu$Jy/beam)& ($\mu$Jy/beam)&(arcsec$^2$)\\
\hline
1  & 01 35 01.26 & +30 16 45.00 & 26 &23 & 50.7 $\times$ 49.5 \\
2  & 01 33 51.79 & +30 16 45.00 & 23 &20 & 50.2 $\times$ 46.1\\
3  & 01 32 42.31 & +30 16 45.00 & 27 &18& 50.6 $\times$ 43.4 \\
4  & 01 35 01.26 & +30 31 45.00 & 26 &21 & 48.1 $\times$ 44.0\\
5  & 01 33 51.60 & +30 31 45.00  & 28 &20& 47.8 $\times$ 45.4\\
6  & 01 32 41.96 & +30 31 45.00  & 32 &19& 51.4 $\times$ 42.2\\
7  & 01 35 01.26 & +30 46 45.00  & 26 &21& 50.0 $\times$ 46.1\\
8  & 01 33 51.41 & +30 46 45.00  & 34 &21& 49.2 $\times$ 42.4\\
9  & 01 32 41.58 & +30 46 45.00  & 23 &19& 51.1 $\times$ 44.0\\
10 & 01 35 01.26 & +31 01 45.00  & 36 &23& 48.5 $\times$ 45.2\\
11 & 01 33 51.21 & +31 01 45.00  & 24 &21& 51.1 $\times$ 43.3\\
12 & 01 32 41.21 & +31 01 45.00  & 21 &19& 48.0 $\times$ 44.0\\
\hline
\end{tabular}
\end{table}