TITLE:   GCN CIRCULAR
NUMBER:  33837
SUBJECT: GRB 230520B is not a GRB
DATE:    23/05/21 00:41:11 GMT
FROM:    Suraj Poolakkil at UAH <sp0076@uah.edu>

S. Poolakkil (UAH) reports on behalf of the Fermi Gamma-ray Burst Monitor
Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 706317104/230520966 at 23:11:39.14 UT
on 20 May 2023, tentatively classified as GRB 230520B (GCN 33836), is
in fact not due to a GRB. This trigger is likely due to Local Particles."