Fig. 1
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X-ray image of HD 223889 using a PN-detector taken with the XMM-Newton telescope in the 0.2–2 keV energy band. The left and right panels show, respectively, observation 1 and 2 (see Table 2). HD 223889 is marked by a dashed blue circle with a radius of 20 arcsec, while the background is represented by a dashed magenta circle with a radius of 60 arcsec.
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