\begin{table}%t2
\par
%\centering
\par
\caption{\label{lines}Line parameters.} 
{ 
\begin{tabular}{lrrrlrr}
\hline
\hline
\noalign{\smallskip}
&\multicolumn{1}{c}{$T_{\rm{MB}}$}&\multicolumn{1}{c}{$\int T_{\rm{MB}}{\rm d}v$}&\multicolumn{1}{c}{$\Delta v$\tablefootmark{a}}&\multicolumn{1}{c}{$T_{\rm{MB}}$}&\multicolumn{1}{c}{$\int T_{\rm{MB}}{\rm d}v$}&\multicolumn{1}{c}{$\Delta v$\tablefootmark{a}}\\[0.3mm]
&\multicolumn{1}{c}{[K]}&\multicolumn{1}{c}{[km~s$^{-1}$]}&\multicolumn{1}{c}{[km~s$^{-1}$]}&\multicolumn{1}{c}{[K]}&\multicolumn{1}{c}{[K~km~s$^{-1}$]}&\multicolumn{1}{c}{[km~s$^{-1}$]}\\[0.3mm]
&\multicolumn{3}{c}{H$_2$CO ($3_{0,3}{-}2_{0,2}$)}&\multicolumn{3}{c}{CH$_3$OH ($5_0{-}4_0$-$A$)}\\
\hline
clump~1&3.2&8.9&2.0&1.1&1.8&1.4\\
interclump&0.3&1.2&3.1&0.06&0.2&4.0\\
\hline
\end{tabular}}
\tablefoot{\tablefoottext{a}{Corrected for the spectral resolution, $\Delta v=\sqrt{(\Delta v_{\rm obs})^2-(\Delta v_{\rm res})^2}$.}}
\end{table}