{
  "bibcode": "2023GCN.33564....1F",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 23:00:07 UT on 4 Apr 2023, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 230404A (trigger 702342012.327256 / 230404958).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 139.8, Dec = -3.5 (J2000 degrees, equivalent to J2000 09h 19m, -3d 30'), with a statistical uncertainty of 3.5 degrees.\n\nThe angle from the Fermi LAT boresight is 56.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230404958/quicklook/glg_skymap_all_bn230404958.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/2023/bn230404958/quicklook/glg_healpix_all_bn230404958.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230404958/quicklook/glg_lc_medres34_bn230404958.gif",
  "circularId": 33564,
  "createdOn": 1680649823000,
  "email": "do_not_reply@GIOC.nsstc.nasa.gov",
  "subject": "GRB 230404A: Fermi GBM Final Real-time Localization",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM  <do_not_reply@GIOC.nsstc.nasa.gov>",
  "eventId": "GRB 230404A"
}