{
  "circularId": 45836,
  "submittedHow": "email",
  "eventId": "GRB 261007B",
  "createdOn": 1791379845903,
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 13:20:18 UT on 7 Oct 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 261007B (trigger 813072023.698636 / 261007556).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 222.2, Dec = -54.1 (J2000 degrees, equivalent to J2000 14h 48m, -54d 06'), with a statistical uncertainty of 9.1 degrees.\n\nThe angle from the Fermi LAT boresight is 49.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261007556/quicklook/glg_skymap_all_bn261007556.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/bn261007556/quicklook/glg_healpix_all_bn261007556.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261007556/quicklook/glg_lc_medres34_bn261007556.gif\n",
  "subject": "GRB 261007B: Fermi GBM Final Real-time Localization",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>"
}