{
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 02:50:48 UT on 16 May 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 260516A (trigger 800592653.936132 / 260516119).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 111.5, Dec = -37.6 (J2000 degrees, equivalent to J2000 07h 26m, -37d 36'), with a statistical uncertainty of 7.7 degrees.\n\nThe angle from the Fermi LAT boresight is 163.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260516119/quicklook/glg_skymap_all_bn260516119.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/bn260516119/quicklook/glg_healpix_all_bn260516119.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260516119/quicklook/glg_lc_medres34_bn260516119.gif\n",
  "createdOn": 1778900480064,
  "eventId": "GRB 260516A",
  "subject": "GRB 260516A: Fermi GBM Final Real-time Localization",
  "bibcode": "2026GCN.44631....1F",
  "circularId": 44631,
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "submittedHow": "email"
}