{
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 15:37:52 UT on 1 Nov 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 261101B (trigger 815240277.50196 / 261101651).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 321.6, Dec = 14.6 (J2000 degrees, equivalent to J2000 21h 26m, 14d 35'), with a statistical uncertainty of 2.0 degrees.\n\nThe angle from the Fermi LAT boresight is 89.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261101651/quicklook/glg_skymap_all_bn261101651.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/bn261101651/quicklook/glg_healpix_all_bn261101651.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261101651/quicklook/glg_lc_medres34_bn261101651.gif\n",
  "eventId": "GRB 261101B",
  "submittedHow": "email",
  "circularId": 46126,
  "createdOn": 1793548101475,
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "subject": "GRB 261101B: Fermi GBM Final Real-time Localization"
}