Fig. 5.
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Polar plot of the PD and PA, assuming the spectral best-fit model, in four energy bins: 2.0–3.0, 3.0–4.3, 4.3–6.0, and 6.0–8.0 keV. The shaded and unshaded regions show the 68% and 99.9% confidence areas, respectively, in the first three energy bins. The dashed line indicates the 99.9% confidence level upper limit in the fourth energy bin.
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