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. 2023 Jun 7;9(23):eadi1405. doi: 10.1126/sciadv.adi1405

Fig. 6. Fluence distribution of Fermi GRBs.

Fig. 6.

We have normalized the number of bursts for the mission lifetime, its duty cycle, and field of view (1). At large fluences (S ≳ 5 × 10−5 erg cm−2) the distribution has a slope consistent with the Euclidean one (−3/2), also shown for comparison (dashed line). The two most fluent GRBs are GRB 130427A (circle) and GRB 221009A (star).