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. 2021 Oct 28;217(8):80. doi: 10.1007/s11214-021-00855-2

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© The Author(s) 2021

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Fig. 23 — Same as Fig. 21 for the four M75 and HIGH channels that span the 970–1079 keV energy range. We find a systematic intercalibration offset of a factor $\sim 2 – 3$ between M75-P8 and HIGH-P0. The significant offsets in the inner zone (blue hues in the upper 6 panels) should be ignored as they are largely due to background contamination at these energies. Note that HIGH-A P0 failed in Oct 2013, so that there is considerably less data in the panels that compare this pixel (top row in each set of 6 panels)