Table 6: Beam-averaged results.
Model Beam-averaged column densities Total central mass Face-on mass density Relative mass
  N(CO) N(C) $N({\rm H_{2}})$ $M({\rm H_{2}})$ $M_{\rm gas}$ $\sigma({\rm H_{2}})$ $\sigma_{\rm gas}$ components 1:2
  ( $10^{18}~{\rm cm^{-2}}$) ( $10^{21}~{\rm cm^{-2}}$) ( $10^{7} ~M_{\odot}$) ( $~M_{\odot}$/pc-2)  
IC 342; $N_{\rm H}/N_{\rm C}$ = 2200; N(HI) $^{a} = 1.5\times 10^{20}~{\rm cm^{-2}}$
1 0.8 2.3 3.3 0.5 0.6 49 67 0.7 : 0.3
2 0.7 3.8 4.8 0.7 0.9 70 96 0.4 : 0.6
3 0.7 1.0 4.9 0.7 1.0 72 99 0.3 : 0.7
Maffei 2; $N_{\rm H}/N_{\rm C}$ = 2500; N(HI) $^{b} = 1.1 \times 10^{21}~{\rm cm^{-2}}$
4 1.7 1.6 3.5 0.6 0.9 28 43 0.55 : 0.45
5 3.6 1.3 5.5 0.9 1.4 43 64 0.8 : 0.2
6 2.6 1.1 4.1 0.7 1.1 32 49 0.7 : 0.3
7 2.0 1.9 4.4 0.7 1.1 32 53 0.55 : 0.45

a Newton (1980); b Hurt et al. (1996).

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