GCN Circular 42789
Subject
Fermi Gamma-ray Burst Monitor trigger 785388351 / 251121143 is not a GRB
Date
2025-11-21T14:57:14Z (5 days ago)
From
Peter Veres at University of Alabama in Huntsville <veresp@gmail.com>
Via
Web form
P. Veres (UAH) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:
"The Fermi Gamma-ray Burst Monitor (GBM) trigger 785388351 / 251121143 at 03:25:46.72 UT on 21 November 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to particle activity."