{
  "submittedHow": "web",
  "circularId": 45258,
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\n\"At 04:28:34.96 UT on 30 July 2026, the Fermi Gamma-ray Burst Monitor (GBM)\ntriggered and located GRB260730A (trigger 807078519/260730187).\n\nThe on-ground calculated location, using the Fermi GBM trigger data,\nis RA = 290.97, Dec = +33.39 (J2000 degrees, equivalent to 19h 24', +33d 23'),\nwith a statistical uncertainty of 11.61 degrees.\n\nThe angle from the Fermi LAT boresight is 30 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260730187/quicklook/glg_skymap_all_bn260730187.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/bn260730187/quicklook/glg_healpix_all_bn260730187.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260730187/quicklook/glg_lc_medres34_bn260730187.gif\"",
  "eventType": [
    "GRB",
    "Gamma-ray Transient"
  ],
  "format": "text/plain",
  "eventId": "GRB 260730A",
  "bibcode": "2026GCN.45258....1F",
  "createdOn": 1785418514437,
  "submitter": "oliver.roberts@universityofgalway.ie",
  "subject": "GRB260730A: Fermi GBM Final Localization"
}