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Fig. 1.

image

Spatial distribution of the stellar association. Panel a: open circles around the dots represent the 123 stars with similar proper motions identified in the first analysis; the points represent the rest of the stars of the region; a total of 219 stars. Panel b: open circles represent the 27 astrometric and spectrophotometric Bo 7 association members. All of them were derived using the model proposed by Orellana et al. (2010).

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