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Fig. 8.
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XY density map, selecting all (13.8M) red-clump stars less than 3 kpc away from the Galactic midplane. The ellipse shows the orientation (27 deg with respect to the Sun-Galactic centre line) and approximate extent (semi-major axes a = 4.07 kpc and b = 0.76 kpc) of the Galactic bar assumed in the prior.
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