\begin{table}%t1
%\centering
\par
\caption{\label{obs_table}Summary of the observational setup.} 
\small 
\begin{tabular}{l l} 
\hline\hline  
Coordinates of the field  & \\
centre (J2000.0) & $\alpha = 3^{\rm h}10^{\rm m}$, $\delta = 65^\circ 30'$\\
Number of spectral bands & 8\\
Central frequency of each band (MHz)	& 139.3, 141.5, 143.7, 145.9,\\ 
 & 148.1, 150.3, 152.5, 154.7\\
Width of each band (MHz)		& 2.5\\
Frequency resolution (kHz)		& 4.9 (9.8 after tapering)\\
Time resolution (sec)			& 10\\
Angular resolution			& $2'\times 2' \rm{cosec}(\delta) \simeq 2' \times 2.2'$\\
Conversion factor			& 1~mJy~beam$^{-1} = 3.98$~K\\
\hline
\end{tabular}
   \end{table}