{
  "subject": "GRB 261002A: Fermi GBM Final Localization",
  "format": "text/plain",
  "eventType": [
    "GRB",
    "Gamma-ray Transient"
  ],
  "circularId": 45809,
  "submittedHow": "web",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB.\n\n\"At 20:48:03.81 UT on 02 October 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 261002A (trigger 812666888/261002867).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 155.0, Dec = -1.9 (J2000 degrees, equivalent to J2000 10h 20m, -1d 54'), with a statistical uncertainty of 5.5 degrees.\n\nThe angle from the Fermi LAT boresight is 83 degrees.\n\nThe skymap can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261002867/quicklook/glg_skymap_all_bn261002867.png\n\nThe HEALPix FITS file, including the estimated localization systematic, can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261002867/quicklook/glg_healpix_all_bn261002867.fit\n\nThe GBM light curve can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261002867/quicklook/glg_lc_medres34_bn261002867.gif\"",
  "submitter": "atrigg2@lsu.edu",
  "createdOn": 1791213806702,
  "eventId": "GRB 261002A"
}