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GCN Circular 40627

Subject
Fermi Gamma-ray Burst Monitor trigger 770470765/250601486 is not a GRB
Date
2025-06-04T15:35:09Z (4 days ago)
From
Joe Mangan at IJCLab <joseph.mangan@ijclab.in2p3.fr>
Via
Web form
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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