\begin{table*}%t1
 %%\centering

\par
\caption{\label{det-lines-onl}Emission lines assigned to DCOOCH$_3$ in the IRAS 16293 IRAM spectral survey.}
$$\scriptsize
\begin{tabular}{c c c c c c c c c}
\hline  \hline \noalign{\smallskip}
Trans. & Pred.  & S${\mu}^2$    &   $E_{{\rm up}}$ & Obs.             & Obs.  		  &  Uncertertainty  & Pred.\\
$ J^{\prime}_{ K^{\prime}_{\rm a}K^{\prime}_{\rm c} }{-}J^{\prime\prime}_{ K^{\prime\prime}_{\rm a}K^{\prime\prime}_{\rm c} }  $   &   freq.       &        &       & freq.\tablefootmark{a}    &  $\int  T_{\rm mb}\delta v  $ &  Obs. $\int  T_{\rm mb}\delta v  $  & $\int  T_{\rm mb}\delta v$\\
& (MHz) & (D$^2$)          &  (cm$^{-1}$)  	     &  (MHz)          &  (mK~km~s$^{-1}$) \tablefootmark{b}             & (mK~km~s$^{-1}$) \tablefootmark{c} & (mK~km~s$^{-1}$) \tablefootmark{d}     	  \\
\noalign{\smallskip}\hline\noalign{\smallskip}
19$_{0,19}$--18$_{1,18}$ E &  198~821.94 &  \multirow{8}{*}{ $ \left.\begin{array}{r} 
  9.77 \\ 
  9.77 \\
 50.85 \\
 50.86 \\
 50.85 \\
 50.86 \\
  9.77 \\
  9.76  
\end{array}\right\} $ } & \multirow{8}{*}{61} & \multirow{8}{*}{198~826.65$^*$ } & \multirow{8}{*}{289} & \multirow{8}{*}{63} &\multirow{8}{*}{258}	 \\
19$_{0,19}$--18$_{1,18}$ A &  198~823.01 &  &  &  \\
19$_{1,19}$--18$_{1,18}$ E &  198~823.21 &  &  &  \\
19$_{1,19}$--18$_{1,18}$ A &  198~824.28 &  &  &  \\
19$_{0,19}$--18$_{0,18}$ E &  198~824.38 &  &  &  \\
19$_{0,19}$--18$_{0,18}$ A &  198~825.45 &  &  &  \\
19$_{1,19}$--18$_{0,18}$ E &  198~825.65 &  &  &  \\
19$_{1,19}$--18$_{0,18}$ A &  198~826.72 &  &  &  \\
%
20$_{0,20}$--19$_{1,19}$ E &  209~031.87 & \multirow{8}{*}{ $ \left.\begin{array}{r} 
10.32 \\
53.55 \\
10.32 \\
53.55 \\ 
53.56 \\ 
10.32 \\ 
10.32 \\ 
53.56
\end{array}\right\} $ }  & \multirow{8}{*}{68} & \multirow{8}{*}{209~031.80$^*$ } &  \multirow{8}{*}{546} &  \multirow{8}{*}{59} &  \multirow{8}{*}{275}\\
20$_{1,20}$--19$_{1,19}$ E &  209~032.54 &   &  &  \\
20$_{0,20}$--19$_{1,19}$ A &  209~032.89 &   &  &  \\
20$_{0,20}$--19$_{0,19}$ E &  209~033.15 &   &  &  \\
20$_{1,20}$--19$_{1,19}$ A &  209~033.55 &   &  &  \\
20$_{1,20}$--19$_{0,19}$ E &  209~033.81 &   &  &  \\
20$_{0,20}$--19$_{0,19}$ A &  209~034.16 &   &  &  \\
20$_{1,20}$--19$_{0,19}$ A &  209~034.82 &   &  &  \\
%
21$_{0,21}$--20$_{1,20}$ E &  219~240.53 & \multirow{8}{*}{ $ \left.\begin{array}{r} 
10.88 \\
56.26 \\
56.26 \\
10.87 \\
10.88 \\
56.26 \\
56.26 \\
10.87
\end{array}\right\} $ }  & \multirow{8}{*}{75} & \multirow{8}{*}{219~242.75$^*$ } &  \multirow{8}{*}{614} &  \multirow{8}{*}{54} &  \multirow{8}{*}{281} \\
21$_{1,21}$--20$_{1,20}$ E &  219~240.88 &   &  &  \\
21$_{0,21}$--20$_{0,20}$ E &  219~241.20 &   &  &  \\
21$_{0,21}$--20$_{1,20}$ A &  219~241.49 &   &  &  \\
21$_{1,21}$--20$_{0,20}$ A &  219~241.54 &   &  &  \\
21$_{1,21}$--20$_{1,20}$ A &  219~241.84 &   &  &  \\
21$_{0,21}$--20$_{0,20}$ A &  219~242.16 &   &  &  \\
21$_{1,21}$--20$_{0,20}$ A &  219~242.50 &   &  &  \\
22$_{0,22}$--21$_{1,21}$ E &  229~448.05 & \multirow{8}{*}{ $ \left.\begin{array}{r} 
11.43 \\
58.96 \\
58.96 \\
11.43 \\
11.43 \\
58.97 \\
58.97 \\
11.43
\end{array}\right\} $ }  & \multirow{8}{*}{82} &  \multirow{8}{*}{229~448.88} &  \multirow{8}{*}{297} 	&  \multirow{8}{*}{89} &  \multirow{8}{*}{275} \\
22$_{1,22}$--21$_{1,21}$ E &  229~448.23 &   &  &  \\
22$_{0,22}$--21$_{0,21}$ E &  229~448.40 &   &  &  \\
22$_{1,22}$--21$_{0,21}$ E &  229~448.57 &   &  &  \\
22$_{0,22}$--21$_{1,21}$ A &  229~448.95 &   &  &  \\
22$_{1,22}$--21$_{1,21}$ A &  229~449.13 &   &  &  \\
22$_{0,22}$--21$_{0,21}$ A &  229~449.29 &   &  &  \\
22$_{1,22}$--21$_{0,21}$ A &  229~449.47 &   &  &  \\
23$_{0,23}$--22$_{1,22}$ E &  239~654.45 & \multirow{8}{*}{$\left.\begin{array}{r} 
11.99 \\
61.66 \\
61.66 \\
11.99 \\
11.98 \\
61.67 \\
61.67 \\
11.98
\end{array}\right\} $ }  & \multirow{8}{*}{90} & \multirow{8}{*}{239~654.07} & \multirow{8}{*}{401}  & \multirow{8}{*}{103} &  \multirow{8}{*}{291}	\\
23$_{1,23}$--22$_{1,22}$ E &  239~654.55 &   &  &  \\
23$_{0,23}$--22$_{0,22}$ E &  239~654.63 &   &  &  \\
23$_{1,23}$--22$_{0,22}$ E &  239~654.72 &   &  &  \\
23$_{0,23}$--22$_{1,22}$ A &  239~655.30 &   &  &  \\
23$_{1,23}$--22$_{1,22}$ A &  239~655.39 &   &  &  \\
23$_{0,23}$--22$_{0,22}$ A &  239~655.47 &   &  &  \\
23$_{1,23}$--22$_{0,22}$ A &  239~655.57 &   &  &  \\
24$_{0,24}$--23$_{1,23}$ E &  249~859.75 & \multirow{8}{*}{$\left.\begin{array}{r} 
12.54 \\
64.37 \\
64.37 \\
12.54 \\
12.54 \\
64.38 \\
64.38 \\
12.54
\end{array}\right\} $ }  & \multirow{8}{*}{98} & \multirow{8}{*}{249860.81} &  \multirow{8}{*}{107}   &  \multirow{8}{*}{68} &  \multirow{8}{*}{303} \\
24$_{1,24}$--23$_{1,23}$ E &  249~859.79 &   &  &  \\
24$_{0,24}$--23$_{0,23}$ E &  249~859.84 &   &  &  \\
24$_{1,24}$--23$_{0,23}$ E &  249~859.89 &   &  &  \\
24$_{0,24}$--23$_{1,23}$ A &  249~860.54 &   &  &  \\
24$_{1,24}$--23$_{1,23}$ A &  249~860.59 &   &  &  \\
24$_{0,24}$--23$_{0,23}$ A &  249~860.63 &   &  &  \\
24$_{1,24}$--23$_{0,23}$ A &  249~860.68 &   &  &  \\
25$_{0,25}$--24$_{1,24}$ E &  260~063.90 &  \multirow{8}{*}{$\left.
\begin{array}{r} 
13.10 \\
67.07 \\
67.07 \\
13.10 \\
13.10 \\
67.09 \\
67.09 \\
13.10
\end{array}\right\}$}
& \multirow{8}{*}{106} & \multirow{8}{*}{260~064.61} &  \multirow{8}{*}{574}  &  \multirow{8}{*}{61} &  \multirow{8}{*}{308}\\
25$_{1,25}$--24$_{1,24}$ E &  260~063.92 &   &  &  \\
25$_{0,25}$--24$_{0,24}$ E &  260~063.94 &   &  &  \\
25$_{1,25}$--24$_{0,24}$ E &  260~063.97 &   &  &  \\
25$_{0,25}$--24$_{1,24}$ A &  260~064.63 &   &  &  \\
25$_{1,25}$--24$_{1,24}$ A &  260~064.66 &   &  &  \\
25$_{0,25}$--24$_{0,24}$ A &  260~064.68 &   &  &  \\
25$_{1,25}$--24$_{0,24}$ A &  260~064.71 &   &  &  \\
26$_{0,26}$--25$_{0,25}$ E & 270~266.86 &  \multirow{8}{*}{ $ \left.\begin{array}{r} 
13.65 \\ 
69.79 \\
69.79 \\
13.65 \\
13.64 \\
69.79 \\
69.79 \\
13.64
\end{array}\right\} $ }  & \multirow{8}{*}{115} & \multirow{8}{*}{270~267.24$^*$ } &  \multirow{8}{*}{--}  &  \multirow{8}{*}{ 15 mK } &  \multirow{8}{*}{363} \\
26$_{1,26}$--25$_{1,25}$ E & 270~266.88 &  &  &  \\
26$_{0,26}$--25$_{1,25}$ E & 270~266.89 &  &  &  \\
26$_{1,26}$--25$_{0,25}$ E & 270~266.90 &  &  &  \\
26$_{0,26}$--25$_{1,25}$ A & 270~267.55 &  &  &  \\
26$_{0,26}$--25$_{0,25}$ A & 270~267.56 &  &  &  \\
26$_{1,26}$--25$_{1,25}$ A & 270~267.57 &  &  &  \\
26$_{1,26}$--25$_{0,25}$ A & 270~267.58 &  &  &  \\
\hline
\end{tabular}
$$
\tablefoot{The lines with an asterisk are blended with other species, see text.  
\tablefoottext{a}{Observed (centroid) frequencies assuming that the radial velocities relative to LSR are 3.9 km s$^{-1}$, it does not coincide with the predicted frequency because it does not take into account blending with transitions of other species.}  
\tablefoottext{b}{Observed integrated intensity in main-beam temperature scale.  Because of the high spectral confusion level it was not calculated for the line at 270.267 GHz.}  
\tablefoottext{c}{Uncertainty on the observed integrated intensity in main-beam temperature scale calculated as follow: $\sigma = (1+\alpha) \times$ rms $\times {\delta}v \times \sqrt{N}, N$ being the number of channels over which the integrated intensities are computed, $\delta$v the channel width and $\alpha$ the uncertainty on the calibration of the observations ($\alpha = 17$\% in the 198--265~GHz spectral range, see \citealt{caux2010}). For the line at 270.267~GHz, the rms of the observed spectrum in main-beam temperature scale is given.}  
\tablefoottext{d}{Integrated intensity of the modelled lines.}}
\end{table*}