TITLE: GCN CIRCULAR NUMBER: 41306 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 776449964/250809689 is not a GRB DATE: 25/08/09 21:46:54 GMT FROM: Bagrat Mailyan at Florida Tech mbagrat@gmail.com

B. Mailyan (Florida Tech) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 776449964/250809689 at 16:32:39.78 UT on 09 August 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to particle activity."

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