\begin{table}%t1
\caption{\label{tab:obs}Parameters of the GMRT observations.}
%\centering
\par
\begin{tabular}{ll}
\hline\hline
Parameters& Value \\
\hline
RA(2000) & 20$^{\rm h}$30$^{\rm m}$33.0$^{\rm s}$\\
Declination (2000) &  ${60}^{\circ} 21' 17''$\\
Central velocity (heliocentric) & 121.0~\kms\\
Date of observations & 22 June 2001\\
Time on source & 6 h\\
Total bandwidth & 1.0 MHz\\
Number of channels & 128\\
Channel separation & 1.65~\kms\\
{\it FWHM} of synthesized beam  & 43$''\times38''$, 26$''\times21''$,\\ 
                          & 16$''\times14''$, 11.5$''\times10''$ \\
rms noise per channel & 3.5~mJy, 2.8 mJy, 2.2 mJy\\ 
                           &1.9 mJy\\
\hline
\end{tabular}
\end{table}