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Fig. 6

image

X-ray images as in Fig. 4. Panel a), left: Archive XMM-Newton ObsId 0556050101, overlapping XMM ObsId 0679580201 of Fig. 5, panel a). The bright source is the same as in that figure. The distribution of background emission seen here is caused by the small-window mode used here for the MOS cameras (not for the PN camera). b), right: archive XMM-Newton ObsId 0656780701+0656781201. The slight pointing difference between the two ObsIds causes the inter-chip gap pattern seen in the figure. The image overlaps completely with the ACIS 14545 FOV, and partially with ACIS 13648 FOV in the lower right corner. The tight group of X-ray sources surrounding HBC 722 (Fig. 5, panel c)) is unresolved here.

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