Fig. 6

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Minimum spanning tree for YSO candidates in the IRAS 22147 region. Blue and red × symbols show objects belonging to clusters located at d ~ 2.2 and d ~ 5.6 kpc, respectively; the isolated objects are shown as gray × symbols. Blue and red lines correspond to branches connecting objects from the same clusters. Black circles correspond to the two clusters identified in the region by Winston et al. (2019).
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