{
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 10:33:42 UT on 28 Jan 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 250128A (trigger 759753227.594888 / 250128440).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 284.0, Dec = 62.3 (J2000 degrees, equivalent to J2000 18h 56m, 62d 17'), with a statistical uncertainty of 5.4 degrees.\n\nThe angle from the Fermi LAT boresight is 109.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250128440/quicklook/glg_skymap_all_bn250128440.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/2025/bn250128440/quicklook/glg_healpix_all_bn250128440.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250128440/quicklook/glg_lc_medres34_bn250128440.gif\n",
  "eventId": "GRB 250128A",
  "createdOn": 1738061049989,
  "submittedHow": "email",
  "bibcode": "2025GCN.39051....1F",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "circularId": 39051,
  "subject": "GRB 250128A: Fermi GBM Final Real-time Localization"
}