[vsnet-grb-info 27595] Fermi GBM trigger 637977270/210320996 is not a GRB

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  29698
SUBJECT: Fermi GBM trigger 637977270/210320996 is not a GRB
DATE:    21/03/23 18:34:26 GMT
FROM:    Suraj Poolakkil at UAH  <sp0076 at uah.edu>

S. Poolakkil (UAH) reports on behalf of the Fermi GBM Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 637977270/210320996
at 23:54:25.07 UT on 20 March 2021, tentatively classified as a GRB,
is in fact not due to a GRB. This trigger is likely due to
distant particles."