[vsnet-grb-info 27777] Fermi Gamma-ray Burst Monitor trigger 210421C is not a GRB
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Thu Apr 22 11:20:23 JST 2021
TITLE: GCN CIRCULAR
NUMBER: 29880
SUBJECT: Fermi Gamma-ray Burst Monitor trigger 210421C is not a GRB
DATE: 21/04/22 02:18:40 GMT
FROM: Oliver J Roberts at USRA/NASA <oliver.roberts at nasa.gov>
O.J. Roberts (USRA/MSFC) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:
“The Fermi Gamma-ray Burst Monitor (GBM) trigger 640728778/210421842 (210421C)
at 20:12:53.03 UT on 21 April 2021 (Fermi-GBM Team 2021, GCN 29871), tentatively classified
as a GRB, is in fact not due to a GRB. This trigger is likely due to a Terrestrial Electron Beam."
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