A Search for GeV Emission from Magnetar Giant Flare Candidates with Fermi-LAT

arXiv:2608.06527 · astro-ph.HE · Submitted 2026-08-06 · Read on arXiv

Vikas Chand, Michela Negro, Nicola Omodei, Niccol`o Di Lalla, Eric Burns, Soebur Razzaque, Aaron C. Trigg, Giacomo Principe

astro-ph.HE

Submitted: 2026-08-06

Updated: 2026-08-10

Comments: Accepted for publication in the Astrophysical Journal

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Test Statistic — 3× in this paper
• Fermi Gamma-ray Burst Monitor — 2× in this paper
• Fermi Large Area Telescope — 2× in this paper
• Consistency — 1× in this paper · explained in 3 episodes

Sources

• Pass 8: Toward the Full Realization of the Fermi-LAT Scientific Potential
• Fermi Large Area Telescope Fourth Source Catalog Data Release 4 (4FGL-DR4)
• Fermi-LAT improved Pass~8 event selection
• Flaring gamma-ray emission coincident with a hyperactive fast radio burst source

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