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Fig. 2.
Density map of the selected sample of 5 844 487 stars in U − V space (top left), in 
space (top right), in 
space (bottom left), and in 
space (bottom right). The bin sizes are 1 km s−1, 1 km s−1, 10 kpc km s−1, and 10 × 0.1 kpc km s−1, respectively.
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