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Fig. 8


Amplification factor (fa) profiles (points with 1σ error bars) obtained from the spectral analysis of bursts 4 (left), 6 (middle), and 23 (right) of 4U 1636-536. For the longer burst 4, the first 30 s of the fa profile have been magnified for better comparison. The dashed lines correspond to the burst light curves, and the horizontal dotted lines to fa = 1.

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