{
  "subject": "GRB 241209E: Fermi GBM Final Real-time Localization",
  "circularId": 38495,
  "eventId": "GRB 241209E",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 18:26:43 UT on 9 Dec 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 241209E (trigger 755461608.700102 / 241209769).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 53.1, Dec = 7.6 (J2000 degrees, equivalent to J2000 03h 32m, 7d 35'), with a statistical uncertainty of 9.8 degrees.\n\nThe angle from the Fermi LAT boresight is 57.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241209769/quicklook/glg_skymap_all_bn241209769.png\n\nThe HEALPix FITS file, including the estimated localization systematic, can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241209769/quicklook/glg_healpix_all_bn241209769.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241209769/quicklook/glg_lc_medres34_bn241209769.gif\n\n",
  "bibcode": "2024GCN.38495....1F",
  "createdOn": 1733769443869,
  "submittedHow": "email"
}