[vsnet-grb-info 19962] Fermi GBM trigger 530617076/171025401 is not a GRB

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  22049
SUBJECT: Fermi GBM trigger 530617076/171025401 is not a GRB
DATE:    17/10/25 16:39:56 GMT
FROM:    Elisabetta Bissaldi at U.Innsbruk/IAPP  <Elisabetta.Bissaldi at uibk.ac.at>

E. Bissaldi (Politecnico & INFN Bari) and M. S. Briggs (UAH)
report on behalf of the Fermi GBM Team:


"The Fermi Gamma-ray Burst Monitor (GBM) trigger 530617076/171025401
at 09:37:51.82 UT on 25 October 2017, tentatively classified as a GRB,
is in fact not due to a GRB. This trigger is due to a terrestrial
gamma-ray flash (TGF)."