{
  "subject": "GRB 261024B: Fermi GBM Final Real-time Localization",
  "createdOn": 1792881488027,
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 22:27:33 UT on 24 Oct 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 261024B (trigger 814573658.65781 / 261024936).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 187.3, Dec = 32.4 (J2000 degrees, equivalent to J2000 12h 29m, 32d 23'), with a statistical uncertainty of 19.3 degrees.\n\nThe angle from the Fermi LAT boresight is 41.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261024936/quicklook/glg_skymap_all_bn261024936.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/2026/bn261024936/quicklook/glg_healpix_all_bn261024936.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261024936/quicklook/glg_lc_medres34_bn261024936.gif\n",
  "submittedHow": "email",
  "eventId": "GRB 261024B",
  "circularId": 46022,
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>"
}