{
  "bibcode": "2026GCN.45237....1F",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\n\"At 04:37:01.48 UT on 28 July 2026, the Fermi Gamma-ray Burst Monitor (GBM)\ntriggered and located GRB 260728A (trigger 806906226/260728192).\n\nThe on-ground calculated location, using the Fermi GBM trigger data,\nis RA = 262.86, Dec = -48.57 (J2000 degrees, equivalent to J2000 17h 31m, -48d 34'),\nwith a statistical uncertainty of 3.53 degrees.\n\nThe angle from the Fermi LAT boresight is 64 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260728192/quicklook/glg_skymap_all_bn260728192.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/2026/bn260728192/quicklook/glg_healpix_all_bn260728192.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260728192/quicklook/glg_lc_medres34_bn260728192.gif\"",
  "createdOn": 1785221573746,
  "submittedHow": "web",
  "eventType": [
    "GRB",
    "Gamma-ray Transient"
  ],
  "subject": "GRB 260728A: Fermi GBM Final Localization",
  "circularId": 45237,
  "eventId": "GRB 260728A",
  "format": "text/plain",
  "submitter": "oliver.roberts@universityofgalway.ie"
}