{
  "subject": "Fermi GBM trigger 640353092/210417494 is not a GRB",
  "bibcode": "2021GCN.29826....1P",
  "createdOn": 1618670375000,
  "circularId": 29826,
  "submitter": "Suraj Poolakkil at UAH  <sp0076@uah.edu>",
  "email": "sp0076@uah.edu",
  "body": "S. Poolakkil (UAH) reports on behalf of the Fermi GBM Team:\n\n\"The Fermi Gamma-ray Burst Monitor (GBM) trigger 640353092/210417494\nat 11:51:27.47 UT on 17 April 2021, tentatively classified as a GRB,\nis in fact not due to a GRB. This trigger is likely due to\nlocal particles.\""
}