Fig. 4.

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Pressure ionization parameter as a function of the electron temperature for the unobscured (dashed line) and obscured (solid line) SEDs in the 2003 (top left panel), 2013 (top right panel), and the 2015 observations (bottom panels). The X-ray WA components are represented with filled red squares (A to D) and the obscurer (O) is represented with a filled blue triangle.
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