\begin{table}%t1
\par
\caption {\label{tab1}Structure and physical conditions in the molecular disk of
  Gomez's Hamburger, derived from our model fitting of several CO
  rotational lines. Dependence on the assumed distance is given in the
  relevant cases.  Other parameters of the modeling are also given.}
%\centerline
 {\begin{tabular}{llcl}
\hline\hline
{\bf Parameter}  & {\bf Law} & {\bf Values} & Comments \\ 
\hline \\[-3mm]
Outer radius  &   &  $R_{\rm out}  = 3.1 \times 10^{16}$ ($\frac{D({\rm pc})}{300}$)
 cm &   \\
Intermediate radius & & $R_{\rm m}  = 1.7 \times 10^{16}$ ($\frac{D({\rm pc})}{300}$)
 cm & \\
Inner radius  &  &  $R_{\rm in}  = 3 \times  10^{15}$ ($\frac{D({\rm pc})}{300}$)
 cm &   \\
Disk thickness & linear & $H$(10$^{16}$ cm) = $9.5\times  10^{15}$ cm & \\
\hline\\[-3mm]
Tangential & $V_{\rm t} \propto 1/\sqrt{r}$ 
& $V_{\rm t}$(10$^{16}$$\frac{D({\rm pc})}{300}$ cm)
= 2.1 \kms & \\
velocity  & (Keplerian)~~~ & central mass: 3 ($\frac{D({\rm
 pc})}{300}$) \ms &  \\
\hline\\[-3mm]
 Temperature  & $T_{\rm eq} \propto$ $1/r^{\alpha_T}$ & $T_{\rm
   eq}$(10$^{16}$$\frac{D({\rm
 pc})}{300}$ cm) = 16 K &  \\ 
(equator)  & & $\alpha_T$ = 0.3 & + increase in the edges, by a factor 3    \\
 & & & + increase beyond $R_{\rm m}$, $T$($R_{\rm out}$) = 17~K  \\
see text and Fig.~\ref{fig7} 
 & & & + increase within 2 $\times$ $R_{\rm in}$, by a factor of~2   \\
\hline\\[-3mm]
 Gas density & $n_{\rm eq} \propto 1/r^{\alpha_n}$ &
$n_{\rm eq}$(10$^{16}$$\frac{D({\rm
 pc})}{300}$ cm) = $1.5\times 10^6$ ($\frac{300}{D({\rm pc})}$)~cm$^{-3}$
& \\
(equator)  &  & $\alpha_n$ = 1 &  + decrease with~$z$, following hydrost.\ 
eq.\  \\   
 & & & 
+ decrease beyond $R_{\rm m}$, $n_{\rm eq}$($R_{\rm out}$) = 10$^{3}$ cm$^{-3}$ \\
see text and Fig.~\ref{fig7}    &  &  & 
+ increase within 2 $\times$ $R_{\rm in}$, by a factor of 2 \\
\hline
Relative abundances & constant & $X$(\doce):$X$(\trece):$X$(C$^{17}$O) = 
10$^{-4}$:$1.5\times 10^{-6}$:$2 \times 10^{-7}$ & assumed 
value for $X$(\doce) \\   
\end{tabular}}
 {\hspace*{0.22cm}\begin{tabular}{lcl}
\hline
{\bf Other parameters}  & {\bf Values} & Comments \\ 
\hline
Axis inclination from the plane of the sky & 6$^\circ$ & from optical and
CO data  \\
Axis inclination in the plane of the sky (PA) & 85$^\circ$ & from
optical and CO data \\
Distance  &  300 pc & from luminosity and mass values (Sect.\ 1) \\
LSR systemic velocity &  2.5 \kms & from CO data  \\
\hline 
\end{tabular}}
\end{table}