TITLE: GCN CIRCULAR NUMBER: 38657 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 756678579 / 241223854 is not a GRB DATE: 24/12/23 22:31:28 GMT FROM: Jacob Smith at Fermi-GBM Team <jrs0118@uah.edu> J. Smith (UAH) reports on behalf of the Fermi-GBM Team: The Fermi Gamma-ray Burst Monitor (GBM) trigger 756678579 / 241223854 at 20:29:34.81 UT on 23 December 2023, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is most likely accidental. For Fermi GBM data and info, please visit the official Fermi GBM Support Page: https://fermi.gsfc.nasa.gov/ssc/data/access/gbm/ View this GCN Circular online at https://gcn.nasa.gov/circulars/38657. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...