Color magnitude diagrams of the sources with estimated age younger than 20 Myr. Black dots represent sources with well-defined age estimates; gray crosses represent sources with ill-defined age estimates. The sources with ill-defined age estimates most likely belong to the Galactic disk. The orange lines are the PARSEC isochrones at 1, 3, 10, and 20 Myr at a distance of ~ 380 pc.
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