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Fig. 1


6° × 6° Hα image centered on (RA, Dec) = (131, −41), taken from the Southern H-Alpha Sky Survey Atlas (Gaustad et al. 2001). The positions of Trumpler 10 and of the three H II regions are indicated. The FOVs of the ROSAT HRI and Chandra ACIS-I observations are indicated by solid and dashed boxes, respectively.

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