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GCN Circular 44381

Subject
Fermi Gamma-ray Burst Monitor trigger 798482368/260421694 is not a GRB
Date
2026-04-21T19:24:18Z (17 days ago)
From
atrigg2@lsu.edu
Via
Web form
A. C. Trigg (NPP ORAU, NASA MSFC) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 798482368/260421694 at 16:39:23.09 UT
on 21 April 2026, tentatively classified as a GRB, is in fact not due
to a GRB. This trigger is likely due to local particles (SAA Exit)."
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