{
  "submittedHow": "email",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 04:09:00 UT on 31 Aug 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 260831A (trigger 809842145.925584 / 260831173).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 220.0, Dec = -7.2 (J2000 degrees, equivalent to J2000 14h 39m, -7d 12'), with a statistical uncertainty of 6.5 degrees.\n\nThe angle from the Fermi LAT boresight is 84.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260831173/quicklook/glg_skymap_all_bn260831173.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/bn260831173/quicklook/glg_healpix_all_bn260831173.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260831173/quicklook/glg_lc_medres34_bn260831173.gif\n",
  "subject": "GRB 260831A: Fermi GBM Final Real-time Localization",
  "circularId": 45473,
  "createdOn": 1788149841514,
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "eventId": "GRB 260831A"
}