TITLE:   GCN CIRCULAR
NUMBER:  45059
SUBJECT: Fermi GBM trigger 804552016/260630945 is not a GRB
DATE:    26/07/01 01:26:30 GMT
FROM:    rhamburg@usra.edu

R. Hamburg (USRA) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 804552016/260630945 at 22:40:11.17 UT on 30 June 2026, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to statistical fluctuations in opposite-facing detectors."