{
  "createdOn": 1742399443764,
  "format": "text/plain",
  "eventId": "GRB 250319B",
  "circularId": 39783,
  "body": "The Fermi GBM team reports the detection of a likely SHORT GRB\n\n\"At 05:07:28.91 UT on 19 March 2025, the Fermi Gamma-ray Burst Monitor (GBM)\ntriggered and located GRB 250319B (trigger 764053653/250319214).\n\nThe on-ground calculated location, using the Fermi GBM trigger data,\nis RA = 246.18, Dec = -70.90 (J2000 degrees, equivalent to J2000 16h 25m, 70d 54'),\nwith a statistical uncertainty of 3.18 degrees.\n\nThe angle from the Fermi LAT boresight is 29 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250319214/quicklook/glg_skymap_all_bn250319214.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/bn250319214/quicklook/glg_healpix_all_bn250319214.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250319214/quicklook/glg_lc_medres34_bn250319214.gif\"",
  "bibcode": "2025GCN.39783....1F",
  "subject": "GRB 250319B: Fermi GBM Final Localization",
  "submittedHow": "web",
  "submitter": "Cuán de Barra at UCD <cuan.debarra@ucdconnect.ie>"
}