GRB 221009A: The BOAT Burst that Shines in Gamma Rays - Axelsson, M; Ajello, M; Arimoto, M; Baldini, L; Ballet, J; Baring, M G; Bartolini, C; Bastieri, D; Becerra Gonzalez, J; Bellazzini, R; Berenji, B; Bissaldi, E; et al. (ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2025)