A magnetar giant flare in the nearby starburst galaxy M82

We report observations of GRB 231115A, positionally coincident with the starburst galaxy M82, that unambiguously qualify this burst as a giant flare from a magnetar, which is a rare explosive event releasing gamma rays.

Source: Nature AOP - April 24, 2024 Category: Research Authors: Sandro Mereghetti Michela Rigoselli Ruben Salvaterra Dominik Patryk Pacholski James Craig Rodi Diego Gotz Edoardo Arrigoni Paolo D ’Avanzo Christophe Adami Angela Bazzano Enrico Bozzo Riccardo Brivio Sergio Campana Enrico Cappellaro Jerome Chenevez Fior Source Type: research