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Fig. 2.

image

Radial density distributions for the old thin stellar disc (left panel) and the old thick disc (right panel) at four vertical heights z. Red lines: the old thin disc Einasto profile at z = 0, 200, 400, and 600 pc (left) and the old thick disc profile at z = 0, 0.8, 1.6, and 2.4 kpc (right) from the BGM2014 version. Black squares and lines: dynamically consistent disc fitted from R = 4 kpc to 12 kpc.

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