{
  "createdOn": 1751138746343,
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 19:15:16 UT on 28 Jun 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 250628C (trigger 772830921.339792 / 250628802).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 169.9, Dec = -6.9 (J2000 degrees, equivalent to J2000 11h 19m, -6d 54'), with a statistical uncertainty of 3.7 degrees.\n\nThe angle from the Fermi LAT boresight is 11.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250628802/quicklook/glg_skymap_all_bn250628802.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/bn250628802/quicklook/glg_healpix_all_bn250628802.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250628802/quicklook/glg_lc_medres34_bn250628802.gif\n",
  "circularId": 40864,
  "bibcode": "2025GCN.40864....1F",
  "submittedHow": "email",
  "subject": "GRB 250628C: Fermi GBM Final Real-time Localization",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "eventId": "GRB 250628C"
}