Fig. 1.
Unfolded Swift/XRT and XMM-Newton/pn spectra with fitting model. Panel a: a simple PL model is applied to the full band spectrum of Swift (0.3–10 keV, black) and XMM-Newton (0.2–10 keV, red), respectively. Panel b: a simple PL model with fixed photon index at Γ = 0.9 is applied to the 1–10 keV band and extended to the full band spectrum of Swift and XMM-Newton, respectively. Panel c: PL+PL model with fixed photon index at Γ = 0.9 for one PL component is applied to the full band spectrum of Swift and XMM-Newton, respectively. Panel d: PL+BB model with one fixed photon index at Γ = 0.9 for the PL component is applied to the full band spectrum of Swift and XMM-Newton, respectively. The data/model ratio is also shown in each panel.
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