TITLE:   GCN CIRCULAR
NUMBER:  40844
SUBJECT: Fermi Gamma-ray Burst Monitor trigger 772647532/250626680 is not a GRB
DATE:    25/06/26 17:15:57 GMT
FROM:    eliza.neights@gmail.com

E. Neights (GWU, NASA GSFC) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 772647532/250626680 at 16:18:47.72 UT
on 26 June 2025, tentatively classified as a GRB, is in fact not due
to a GRB. This trigger is likely due to local particles."