TITLE: GCN CIRCULAR NUMBER: 39390 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 761782146/250220923 is not a GRB DATE: 25/02/20 22:35:43 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 761782146/250220923 at 22:09:01.82 UT on 20 February 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particles." View this GCN Circular online at https://gcn.nasa.gov/circulars/39390. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...