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Figure 1:
EPIC pn+MOS1+MOS2 light curves of the background-subtracted
count rate in the 0.8-10 keV band (top panel) and of the X-ray color
1.8-10 keV/0.8-1.5 keV (bottom panel).
The extraction radius is 35
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Figure 2: EPIC pn unfolded spectrum of NGC 6251 described by a thermal component plus an absorbed power law. The lower panels show the data-to-model ratio for the pn, MOS1, and MOS2 cameras, respectively. The edge at 0.53 keV in the top panel is due to neutral oxygen in the absorbing material. |
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Figure 3: EPIC pn unfolded spectrum of NGC 6251 and data-to-model ratio. The spectral model is wabs(apec+apec+zwabs (powerlaw+zgauss)). |
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Figure 4: Top panel: EPIC pn data-to-model ratio from 2-10 keV of the best-fit continuum model for the EPIC pn data. Bottom panel: same as above but with a Gaussian line included. Energies are in the observer's frame. |
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