Fig. 5
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Cumulative number of stars in the selection box. Coloured lines indicate model predictions (Groenewegen et al. 1992, Eq. (20)) for a volume density (ρ0) of 70 /kpc3 and scale height H = 200 pc (red), ρ0 = 28/kpc3 and H = 500 pc (dark blue), and ρ0 = 14/kpc3 and H = 1000 pc (light blue). The expected number of stars inside approximately 1.4 kpc is subtracted (158, 132, and 95 stars, respectively).
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