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Fig. 4.
Projected mass surface density (in M⊙ pc−2) at t = 10.54 Gyr inside ±50 kpc. Particle sets are defined in Fig. 3 and in the main text. The log colourscale is common to both figures. Black isodensities are spaced by 0.4 dex for Subset A (left panel) and 0.1 for Subset B (right panel). The spatial scale is in kpc.
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