TITLE:   GCN CIRCULAR
NUMBER:  30151
SUBJECT: Fermi Gamma-ray Burst Monitor trigger 644793834 / 210607892 is not a GRB
DATE:    21/06/08 02:19:51 GMT
FROM:    Peter Veres at UAH  <veresp@gmail.com>

P. Veres (UAH) reports on behalf of the Fermi GBM Team:

“The Fermi Gamma-ray Burst Monitor (GBM) trigger 644793834 / 210607892
at 21:23:49.28 UT on 7 June 2021, tentatively classified as a GRB, is
in fact not due to a GRB and is likely due to a particle event.”