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High-energy emission from a magnetar giant flare in the Sculptor galaxy
Article de revue   Open Access

High-energy emission from a magnetar giant flare in the Sculptor galaxy

M. Ajello, W.B. Atwood, M. Axelsson, L. Baldini, G. Barbiellini, M.G. Baring, D. Bastieri, R. Bellazzini, A. Berretta, E. Bissaldi, …
Nature Astronomy, Vol.5(4), pp.385-391
2021

Résumé

Gigaelectronvolt emission from a magnetar giant flare is discovered by the Fermi Gamma-ray Space Telescope, between 19 s and 284 s after the initial detection of a signal in the megaelectronvolt energy band, potentially generated by an ultra-relativistic outflow far from the stellar magnetosphere.

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