{
  "createdOn": 1759675069202,
  "submittedHow": "email",
  "bibcode": "2025GCN.42112....1F",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 14:27:19 UT on 5 Oct 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 251005B (trigger 781367244.128264 / 251005602).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 298.6, Dec = -8.9 (J2000 degrees, equivalent to J2000 19h 54m, -8d 54'), with a statistical uncertainty of 6.5 degrees.\n\nThe angle from the Fermi LAT boresight is 104.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251005602/quicklook/glg_skymap_all_bn251005602.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/bn251005602/quicklook/glg_healpix_all_bn251005602.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251005602/quicklook/glg_lc_medres34_bn251005602.gif\n",
  "subject": "GRB 251005B: Fermi GBM Final Real-time Localization",
  "version": 3,
  "circularId": 42112,
  "eventId": "GRB 251005B",
  "editedOn": 1759689025206,
  "format": "text/plain",
  "editedBy": "Vidushi Sharma at NASA GSFC/UMBC <vidushi.sharma@nasa.gov>",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>"
}