{
  "body": "The Fermi GBM team reports the detection of a likely SHORT GRB\n\nAt 23:07:06 UT on 20 Jan 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 260120C (trigger 790643231.34709 / 260120963).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 262.0, Dec = 3.4 (J2000 degrees, equivalent to J2000 17h 27m, 3d 23'), with a statistical uncertainty of 9.3 degrees.\n\nThe angle from the Fermi LAT boresight is 108.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260120963/quicklook/glg_skymap_all_bn260120963.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/bn260120963/quicklook/glg_healpix_all_bn260120963.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260120963/quicklook/glg_lc_medres34_bn260120963.gif\n",
  "circularId": 43482,
  "submittedHow": "email",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "createdOn": 1768950926760,
  "bibcode": "2026GCN.43482....1F",
  "subject": "GRB 260120C: Fermi GBM Final Real-time Localization",
  "eventId": "GRB 260120C"
}