TITLE: GCN CIRCULAR NUMBER: 37148 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 745135620/240812255 is not a GRB DATE: 24/08/12 08:32:07 GMT FROM: rachel.hamburg@ijclab.in2p3.fr R. Hamburg (CNRS/IN2P3/IJCLab) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 745135620/240812255 at 06:06:55.97 UT on 12 August 2024, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is due to particle activity." For Fermi GBM data and info, please visit the official Fermi GBM Support Page: https://fermi.gsfc.nasa.gov/ssc/data/access/gbm/