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Fig. 2


Region around IRS 7w/e at 100 and 160 μm (left and right). Cyan stars mark the position of the known cluster members, labeled in green. The X-ray source FP-34 is situtated between the two far-IR peaks. IRS 7w is the brightest source in the field at both wavelengths, and it is clearly extended, although IRS 7e becomes increasingly bright at longer wavelengths. Both IRS 7w and IRS 7e are surrounded by a strongly emitting extended structure. The binary IRS 5 and the X-ray source FP-25 are surrounded by a distinct structure that could be a common filament or associated spiral arms. IRS 6 is an extended source. IRS 2 and V 710 are rather compact, albeit surrounded by extended structures. The contours mark the Herschel/PACS levels at 0.1, 0.15, 0.20, 0.25, 0.3, 0.5, 1, 2, 3, 4, and 5 Jy/beam (for the 100 μm image) and 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.5, 2.0, 3, 4, 5, and 6 Jy/beam (for the 160 μm image).

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