{
  "bibcode": "2021GCN.30763....1F",
  "body": "The Fermi GBM team reports the detection of a likely SHORT GRB\n\nAt 20:47:39 UT on 4 Sep 2021, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 210904A (trigger 652481264.630844 / 210904866).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 121.1, Dec = -44.0 (J2000 degrees, equivalent to J2000 08h 04m, -44d 00'), with a statistical uncertainty of 9.2 degrees.\n\nThe angle from the Fermi LAT boresight is 104.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210904866/quicklook/glg_skymap_all_bn210904866.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/2021/bn210904866/quicklook/glg_healpix_all_bn210904866.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210904866/quicklook/glg_lc_medres34_bn210904866.gif",
  "circularId": 30763,
  "createdOn": 1630789086000,
  "email": "do_not_reply@GIOC.nsstc.nasa.gov",
  "subject": "GRB 210904A: Fermi GBM Final Real-time Localization",
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM  <do_not_reply@GIOC.nsstc.nasa.gov>",
  "eventId": "GRB 210904A"
}