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Fig. 2


XMM-Newton three-colour image (red 0.2–1.0 keV, green 1.0–2.0 keV, blue 2.0–4.5 keV), continuum-subtracted LGGS Hα, [S ii], and [O iii] images, and an [S ii]/Hα ratio image with XMM-Newton 3σ positional error circle (solid) for source [SHP11] 182. The dashed circle shows the extraction region for the optical emission. The shown area has a size of  ~ 1′  ×  1′. The label gives the source number of the XMM-Newton catalogue (SPH11) followed by the coordinates. The positions of all detected XMM-Newton sources are marked in the XMM-Newton images (left) with crosses. Figure A.1 shows images of other sources.

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