{
  "createdOn": 1771755622858,
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 10:09:38 UT on 22 Feb 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 260222A (trigger 793447783.750804 / 260222423).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 336.2, Dec = 61.7 (J2000 degrees, equivalent to J2000 22h 24m, 61d 42'), with a statistical uncertainty of 4.4 degrees.\n\nThe angle from the Fermi LAT boresight is 36.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260222423/quicklook/glg_skymap_all_bn260222423.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/bn260222423/quicklook/glg_healpix_all_bn260222423.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260222423/quicklook/glg_lc_medres34_bn260222423.gif\n",
  "eventId": "GRB 260222A",
  "subject": "GRB 260222A: Fermi GBM Final Real-time Localization",
  "submittedHow": "email",
  "circularId": 43804,
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "bibcode": "2026GCN.43804....1F"
}