Fig. 2.

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Distributions of the five metrics for real BATSE light curves (blue) and simulated profiles (red) obtained using the latest optimised parameter set (see Table 2). Top left: average peak-aligned post-peak normalised time profile and root mean square (rms) deviation of the individual peak-aligned profiles, Frms ≡ [⟨(F/Fp)2⟩−⟨F/Fp⟩2]1/2. Top middle: average peak-aligned third moment profiles. Top left: average autocorrelation function of the GRBs. Bottom left: distribution of the T20% duration. Bottom right: S/N distribution of the GRBs. Like in B24, the curves in the top left and top middle panels were smoothed using a Savitzky-Golay filter to reduce the effects of Poisson noise, while the distributions in the bottom left panel were smoothed with a Gaussian kernel convolution.
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