{
  "submittedHow": "web",
  "bibcode": "2025GCN.41964....1F",
  "submitter": "Padraig McDermott at University College Dublin <padraig.mcdermott@ucdconnect.ie>",
  "body": "The Fermi GBM team reports the detection of a likely SHORT GRB\n\n\"At 10:26:58.90 UT on 24 September 2025, the Fermi Gamma-ray Burst Monitor (GBM)\ntriggered and located GRB250924B (trigger 780402423/250924435).\n\nThe on-ground calculated location, using the Fermi GBM trigger data,\nis RA = 306.44, Dec = -61.82 (J2000 degrees, equivalent to J2000 20h 25m, -61d 49'),\nwith a statistical uncertainty of 9.50 degrees.\n\nThe angle from the Fermi LAT boresight is 150 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250924435/quicklook/glg_skymap_all_bn250924435.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/bn250924435/quicklook/glg_healpix_all_bn250924435.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250924435/quicklook/glg_lc_medres34_bn250924435.gif\"",
  "format": "text/plain",
  "createdOn": 1758720319193,
  "subject": "GRB 250924B: Fermi GBM Final Localization",
  "circularId": 41964,
  "eventId": "GRB 250924B"
}