2 papers
astro-ph.HE2026
A Search for GeV Emission from Magnetar Giant Flare Candidates with Fermi-LAT
Vikas Chand, Michela Negro, Nicola Omodei +5
The discovery of delayed GeV emission from the extragalactic magnetar giant flare (MGF) GRB 200415A, located in the nearby Sculptor galaxy, revealed for the first time that these r…
astro-ph.HE2025
Fast-Cooling Synchrotron Prompt Emission from Internal Shocks in GRB 241030A
Varun, Bin-Bin Zhang, Xiao-Hong Zhao +3
We present a time-resolved, joint Swift-Fermi spectral study of GRB 241030A (z=1.411) that cleanly isolates the synchrotron origin of its prompt emission and favors a matter-domina…