{
  "bibcode": "2026GCN.44317....1F",
  "circularId": 44317,
  "eventId": "GRB 260417A",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 00:10:05 UT on 17 Apr 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 260417A (trigger 798077410.198084 / 260417007).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 252.0, Dec = -19.8 (J2000 degrees, equivalent to J2000 16h 48m, -19d 48'), with a statistical uncertainty of 3.4 degrees.\n\nThe angle from the Fermi LAT boresight is 81.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260417007/quicklook/glg_skymap_all_bn260417007.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/bn260417007/quicklook/glg_healpix_all_bn260417007.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260417007/quicklook/glg_lc_medres34_bn260417007.gif\n",
  "createdOn": 1776385299154,
  "subject": "GRB 260417A: Fermi GBM Final Real-time Localization",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "submittedHow": "email"
}