Investigating the vertical distribution of the disk as a function of radial action

Open Access

Fig. 2.

Relations among radial action J_R, eccentricity, and R − R_g. The black dashed line in the lower-left panel represents the relation between eccentricity and radial action for stars with a guiding radius of 8 kpc and a radial frequency of 39 km s⁻¹ kpc⁻¹ derived from epicycle approximation.

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