{
  "format": "text/plain",
  "eventId": "GRB 250813A",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\n\"At 01:46:03.86 UT on 13 August 2025, the Fermi Gamma-ray Burst Monitor (GBM)\ntriggered and located GRB 250813A (trigger 776742368/250813074).\n\nThe on-ground calculated location, using the Fermi GBM trigger data,\nis RA = 355.90, Dec = 57.28 (J2000 degrees, equivalent to J2000 23h 43m, +57d 16'),\nwith a statistical uncertainty of 3.06 degrees.\n\nThe angle from the Fermi LAT boresight is 19 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250813074/quicklook/glg_skymap_all_bn250813074.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/bn250813074/quicklook/glg_healpix_all_bn250813074.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250813074/quicklook/glg_lc_medres34_bn250813074.gif\"",
  "bibcode": "2025GCN.41343....1F",
  "subject": "GRB 250813A: Fermi GBM Final Localization",
  "submitter": "eliza.neights@gmail.com",
  "circularId": 41343,
  "createdOn": 1755093248737,
  "submittedHow": "web"
}