Table 4: Results of IRAM PdBI and PdBI+30 m telescope.
Parameters PdBI PdBI+30 m
nucleus:
$I_{\rm CO_{10}} [\rm Jy~km~s^{-1}]$ 17.57 20.30
$I'_{\rm CO_{10}} [\rm K~km~s^{-1}]$ 1.45 1.86
$N({\rm H}_2)[{\rm cm}^{-2}]$ $3.18 \times 10^{20}$ $4.09 \times 10^{20}$
$M_{{\rm H}_{2}}^{{\rm CO}_{10}}[M_\odot]$ $1.05 \times 10^{8}$ $1.18 \times 10^{8}$
$M_{{\rm H}_{2}+{\rm He}}^{{\rm CO}_{10}}[M_\odot]$ $1.43\times10^{8}$ $1.60 \times 10^{8}$
disk:
$I_{\rm CO_{10}} [\rm Jy~km~s^{-1}]$ 223 485
$I'_{\rm CO_{10}} [\rm K~km~s^{-1}]$ 0.83 2.04
$N({\rm H}_2)[{\rm cm}^{-2}]$ $1.86 \times 10^{20}$ $4.47\times10^{20}$
$M_{{\rm H}_{2}}^{{\rm CO}_{10}}[M_\odot]$ $6.07 \times 10^{7}$ $1.29\times10^{8}$
$M_{{\rm H}_{2}+{\rm He}}^{{\rm CO}_{10}}[M_\odot]$ $8.26 \times 10^{7}$ $1.74\times10^{8}$
$M_{\rm gas}^{{\rm CO}_{10}}[M_\odot]$ $2.04\times10^{9}$ $2.13\times10^{9}$
dynamical mass:
$M_{\rm dyn}^{{\rm CO}_{10}}[M_\odot]$   $3.5 \times 10^{10}$

$M_{\rm H_{I}}[M_\odot]$		 $1.44\times10^{9}$ (Mirabel & Sanders 1988)


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