{
  "subject": "Fermi GBM trigger 809666623/260829141 is not a GRB",
  "submitter": "rhamburg@usra.edu",
  "circularId": 45460,
  "submittedHow": "web",
  "format": "text/plain",
  "body": "R. Hamburg (USRA) reports report on behalf of the Fermi Gamma-ray Burst Monitor Team:\n\n\"The Fermi Gamma-ray Burst Monitor (GBM) trigger 809666623/260829141 at 03:23:38.10 UT on 29 August 2026, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particles.\"",
  "createdOn": 1787976716640,
  "eventType": [
    "Retraction",
    "GRB",
    "Gamma-ray Transient"
  ]
}