GCN Circular 23068
Subject
Fermi GBM trigger 554730582/180731493 is not a GRB
Date
2018-07-31T14:38:42Z (7 years ago)
From
Andreas von Kienlin at MPE <azk@mpe.mpg.de>
A. von Kienlin (MPE) reports on behalf of the Fermi GBM Team:
"The Fermi Gamma-ray Burst Monitor (GBM) trigger 554730582/180731493 at 11:49:37.31 UT
on 31 July 2018, tentatively classified as a GRB, is in fact not due to a GRB.
This trigger is due to a terrestrial gamma-ray flash (TGF)."