GCN Circular 43276
Subject
Fermi Gamma-ray Burst Monitor trigger 788833547/251231018 is not a GRB
Date
2025-12-31T02:32:09Z (14 hours ago)
From
Glowbug DEV <boyan.a.hristov@nasa.gov>
Via
Web form
B. Hristov (UAH) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:
"The Fermi Gamma-ray Burst Monitor (GBM) trigger 788833547/251231018 at 00:25:42.73 UT
on 31 December 2025, tentatively classified as a GRB, is in fact not due
to a GRB. This trigger is likely due to a Solar flare."