{
  "createdOn": 1748834089669,
  "submittedHow": "email",
  "bibcode": "2025GCN.40602....1F",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 03:04:31 UT on 2 Jun 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 250602A (trigger 770526276.307432 / 250602128).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 111.7, Dec = 67.8 (J2000 degrees, equivalent to J2000 07h 26m, 67d 47'), with a statistical uncertainty of 4.9 degrees.\n\nThe angle from the Fermi LAT boresight is 111.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250602128/quicklook/glg_skymap_all_bn250602128.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/bn250602128/quicklook/glg_healpix_all_bn250602128.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250602128/quicklook/glg_lc_medres34_bn250602128.gif\n",
  "circularId": 40602,
  "eventId": "GRB 250602A",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "subject": "GRB 250602A: Fermi GBM Final Real-time Localization"
}