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Fig. 5.
Upper panel: time-averaged XMM-Newton/pn spectrum of Fermi J1544–0639. The power law that best fits the data in the 3–10 keV band is shown as a continuous curve. Lower panel: ratio of the observed spectrum (0.3–10 keV) to best-fit 3–10 keV power law. The data were binned for plotting purposes.
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