{
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "eventId": "GRB 251128A",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 04:22:21 UT on 28 Nov 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 251128A (trigger 785996546.612178 / 251128182).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 117.5, Dec = 52.2 (J2000 degrees, equivalent to J2000 07h 49m, 52d 12'), with a statistical uncertainty of 2.0 degrees.\n\nThe angle from the Fermi LAT boresight is 114.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251128182/quicklook/glg_skymap_all_bn251128182.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/bn251128182/quicklook/glg_healpix_all_bn251128182.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251128182/quicklook/glg_lc_medres34_bn251128182.gif\n",
  "bibcode": "2025GCN.42865....1F",
  "subject": "GRB 251128A: Fermi GBM Final Real-time Localization",
  "createdOn": 1764304380653,
  "circularId": 42865,
  "submittedHow": "email"
}