TITLE:   GCN CIRCULAR
NUMBER:  21357
SUBJECT: Fermi GBM trigger 522048561/170718229 is not a GRB
DATE:    17/07/18 15:23:11 GMT
FROM:    Elisabetta Bissaldi at U.Innsbruk/IAPP  <Elisabetta.Bissaldi@uibk.ac.at>

E. Bissaldi (Politecnico & INFN Bari)
reports on behalf of the Fermi-GBM Team:


"The Fermi Gamma-ray Burst Monitor (GBM) trigger 522048561/170718229
at 05:29:16.53 UT on 18 July 2017, tentatively classified as a GRB,
is in fact not due to a GRB. This trigger is due to local particles."