Fig. 12.

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Comparison of the broadband X-ray data in 2017 and 2019. The change in flux is a uniform increase of a factor of ∼10 across the bandpass, and both spectra show residuals in the Fe K band. All spectra are corrected for the instrumental effective area. The gray line shows the 2017 data scaled up by a factor of 10 to match the 2019 data. Above ∼3 keV the agreement in spectral shape is very good, below 3 keV the 2019 data is relatively higher, with the difference increasing toward lower energies.
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