{
  "circularId": 43836,
  "eventId": "GRB 260225C",
  "submittedHow": "email",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 18:55:39 UT on 25 Feb 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 260225C (trigger 793738544.90425 / 260225789).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 102.6, Dec = 69.3 (J2000 degrees, equivalent to J2000 06h 50m, 69d 17'), with a statistical uncertainty of 15.2 degrees.\n\nThe angle from the Fermi LAT boresight is 54.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225789/quicklook/glg_skymap_all_bn260225789.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/bn260225789/quicklook/glg_healpix_all_bn260225789.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225789/quicklook/glg_lc_medres34_bn260225789.gif\n",
  "createdOn": 1772046487079,
  "subject": "GRB 260225C: Fermi GBM Final Real-time Localization",
  "bibcode": "2026GCN.43836....1F",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>"
}