{
  "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 SHORT GRB\n\nAt 17:38:31 UT on 25 Oct 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 261025B (trigger 814642716.94305 / 261025735).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 258.2, Dec = 24.8 (J2000 degrees, equivalent to J2000 17h 12m, 24d 48'), with a statistical uncertainty of 4.6 degrees.\n\nThe angle from the Fermi LAT boresight is 30.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261025735/quicklook/glg_skymap_all_bn261025735.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/bn261025735/quicklook/glg_healpix_all_bn261025735.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261025735/quicklook/glg_lc_medres34_bn261025735.gif\n",
  "subject": "GRB 261025B: Fermi GBM Final Real-time Localization",
  "createdOn": 1792950385575,
  "circularId": 46029,
  "submittedHow": "email",
  "eventId": "GRB 261025B"
}