AM CVn stars in the plane of the velocity in the direction of Galactic rotation (Vϕ) and the Galactic centre(Vρ) (left hand panel) and the orbital eccentricity (e) and the angular momentum in the Galactic z direction(Jz) (right hand panel). The solid and dotted ellipses render the 3σ thin and thick disc contours in the Vϕ–Vρ diagram, while the solid box in the e–Jz marks the thick disc region as specified by Pauli et al. (2006).
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