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GCN Circular 29824

Subject
Fermi Gamma-ray Burst Monitor trigger 640303939/210416925 is not a GRB
Date
2021-04-17T04:07:35Z (4 years ago)
From
Oliver J Roberts at USRA/NASA <oliver.roberts@nasa.gov>
O.J.Roberts (USRA/NASA MSFC) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

���The Fermi Gamma-ray Burst Monitor (GBM) trigger 640303939/210416925 at 22:12:14.87  UT
on 16 April 2021, tentatively classified as a GRB, is in fact not due to a GRB. 
This trigger is likely due to local particles at SAA entry.
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