Fig. 3.
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Swift/BAT, INTEGRAL/ISGRI (top panel), MAXI (center), and NICER (bottom) light curves of Cyg X-1. In the top panel, gray data points denote either the hard or intermediate state as Swift/BAT’s energy range does not allow a further differentiation. Black triangles show INTEGRAL/ISGRI count rates in the 30–50 keV band, showing each science window as one data point. These data are scaled by the ratio of the average BAT and ISGRI count rates over the whole campaign in order to align them with the Swift/BAT data.
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