Fig. 16.
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Spatial distribution of Gaia EDR3 bona fide (circles) and likely (defined as objects picked by SALSON as possible members and having 3.5 ≤ BP − RP < 4.0; triangles) members of Westerlund 1, divided by brightness. Blue symbols represent stars brighter than G = 17, while red symbols are fainter objects. There are only 5 bright likely members. See text for details.
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