Fig. 8.
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Light curves for the 2–10 keV continuum (left) and Fe Kα line (right) fluxes for the galaxy Centaurus A (upper panels), 1H0707-495 (middle panels) and NGC 1275 (lower panels). The green and black stars denote fluxes measured from the Chandra HEG first-order spectra and Chandra ACIS 3″–5″ annular spectra, respectively, while yellow stars are fluxes measured from XMM-Newton pn observations. The flux units are erg cm−2 s−1 and the error plotted are 1σ confidence.
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