TITLE:   GCN CIRCULAR
NUMBER:  38645
SUBJECT: Fermi Gamma-ray Burst Monitor trigger 756447119/241221175 is not a GRB
DATE:    24/12/21 17:30:55 GMT
FROM:    Lorenzo Scotton at UAH <lscottongcn@outlook.com>

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

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 756447119/241221175 at 04:11:54.43 UT
on 21 December 2024, tentatively classified as a GRB, is in fact not due
to a GRB. This trigger is likely due to a solar flare."