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Fig. 1.


Left: composite of an IRIS 60 μm image (Miville-Deschênes & Lagache 2005) and DSS optical image of the investigated region. Right: distribution of PMS stars projected on the Galactic plane from Zari et al. (2018). The radii of the concentric circles centred on the Sun increase from 100 to 500 pc.

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