{
  "bibcode": "2021GCN.30873....1M",
  "body": "J.Mangan (UCD), S.Lesage (UAH) report on behalf of the Fermi Gamma-ray\nBurst Monitor Team:\n\nThe Fermi Gamma-ray Burst Monitor (GBM) trigger 654090581/210923493 at\n11:49:36.820 UT\non 23 September 2021, tentatively classified as a GRB (GCN 30865), is in\nfact not due\nto a GRB. This trigger is likely due to a terrestrial electron beam (TEB).",
  "circularId": 30873,
  "createdOn": 1632434639000,
  "email": "joseph.mangan@ucdconnect.ie",
  "subject": "Retraction of Fermi GBM GRB 210923A: the trigger is not a GRB",
  "submitter": "Joe Mangan at UCD  <joseph.mangan@ucdconnect.ie>",
  "eventId": "GRB 210923A"
}