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Fig. 7


(lvrad)-diagram with in green the largest possible orbit (x0 = 0, y0 = 3.0) in a model with dimensions (0.4,3,0.4). The symbols are the same as in Fig. 2. The density in the bar ρ = 15Msun pc-3, Ω = 0.074 Myr-1, β = 25deg.

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