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Fig. 2


Ep values of 1367 BATSE/CGRO GRBs with a log-normal fit (black dotted histogram and line), 375 GBM GRBs and log-normal fit (red dashed histogram and line) and 30 GBM GRBs with redshift measurement (blue solid histogram). A KS test suggests that all three samples were drawn from the same distribution.

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