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GCN Circular 33308

Subject
GRB 230209A is not a GRB
Date
2023-02-09T17:19:49Z (2 years ago)
From
Joshua Wood at MSFC/Fermi-GBM <joshua.r.wood@nasa.gov>
J. Wood (NASA/MSFC) reports on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 697609725/230209187 at 04:28:40 UT
on 09 February 2023, tentatively classified as GRB 230209A (GCN 33306), is in fact not due
to a GRB. This trigger is likely due to local particles."
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