TITLE: GCN CIRCULAR NUMBER: 40479 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 769160489/250517320 is not a GRB DATE: 25/05/17 08:24:02 GMT FROM: A. Holzmann Airasca at University of Trento and INFN Bari a.holzmannairasca@unitn.it

A. Holzmann Airasca (UniTrento and INFN Bari) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 769160489/250517320 at 07:41:24.32 UT on 17 May 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particles."

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