TITLE:   GCN CIRCULAR
NUMBER:  21363
SUBJECT: Fermi GBM trigger 522477026/170723188 is not a GRB
DATE:    17/07/23 17:53:47 GMT
FROM:    Oliver J Roberts at USRA/NASA  <oliver.roberts@nasa.gov>

O.J. Roberts (USRA) reports on behalf of the Fermi GBM Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 522477026/170723188
at 04:30:21.49 UT on 23 July 2017, tentatively classified as a GRB,
is in fact not due to a GRB. This trigger is due to local particles."