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

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Copyright © 2023 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 1. — (A) Top left: Histogram of gamma-ray fluence for Fermi (blue; 10 to 1000 keV) and BATSE (gray; 50 to 300 keV) GRBs compared to GRB 221009A. (B) Bottom left: Isotropic-equivalent gamma-ray energy (1 keV to 10 MeV) versus redshift for a sample of long-duration GRBs compiled from (44, 64). (C) Right: Observed x-ray afterglow light curves in the Swift XRT (03 to 10 keV) energy band for a sample of long-duration GRBs. GRB 221009A is the brightest x-ray afterglow ever observed.