{
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "eventId": "GRB 260125A",
  "circularId": 43510,
  "subject": "GRB 260125A: Fermi GBM Final Real-time Localization",
  "createdOn": 1769327251912,
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 07:36:58 UT on 25 Jan 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 260125A (trigger 791019423.079276 / 260125317).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 148.7, Dec = -2.9 (J2000 degrees, equivalent to J2000 09h 54m, -2d 53'), with a statistical uncertainty of 8.9 degrees.\n\nThe angle from the Fermi LAT boresight is 67.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260125317/quicklook/glg_skymap_all_bn260125317.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/bn260125317/quicklook/glg_healpix_all_bn260125317.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260125317/quicklook/glg_lc_medres34_bn260125317.gif\n",
  "bibcode": "2026GCN.43510....1F",
  "submittedHow": "email"
}