GCN Circular 43176
Subject
Fermi Gamma-ray Burst Monitor trigger 788028118/251221696 is not a GRB
Date
2025-12-21T22:01:00Z (a day ago)
From
Bagrat Mailyan at Florida Tech <mbagrat@gmail.com>
Via
Web form
B. Mailyan (Florida Tech) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:
"The Fermi Gamma-ray Burst Monitor (GBM) trigger 788028118/251221696 at 16:41:53.69 UT
on 21 December 2025, tentatively classified as a GRB, is in fact not due
to a GRB. This trigger is likely due to particle activity."