TITLE: GCN CIRCULAR NUMBER: 40627 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 770470765/250601486 is not a GRB DATE: 25/06/04 15:35:09 GMT FROM: Joe Mangan at IJCLab joseph.mangan@ijclab.in2p3.fr

J. Mangan (IJCLab/CNRS) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 770470765/250601486 at 11:39:20.34 UT on 01 June 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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