Local gravitational instability of two-component thick discs in three dimensions

Open Access

Fig. 3.

Ratios h_z, ⋆/z_half, ⋆ (filled symbols) and h_z, gas/z_half, gas (empty symbols) as functions of the squared velocity-dispersion ratio, μ, for two-component isothermal slabs with different values of the midplane density ratio, ξ. h_z = h_70% and z_half are defined by Eq. (7) and Eq. (2), respectively.

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