{
  "subject": "GRB 240721A: Fermi GBM Final Real-time Localization",
  "eventId": "GRB 240721A",
  "submittedHow": "email",
  "bibcode": "2024GCN.36914....1F",
  "createdOn": 1721551421910,
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "circularId": 36914,
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\nAt 08:32:57 UT on 21 Jul 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 240721A (trigger 743243582.02364 / 240721356).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 122.2, Dec = 7.1 (J2000 degrees, equivalent to J2000 08h 08m, 7d 05'), with a statistical uncertainty of 8.8 degrees.\n\nThe angle from the Fermi LAT boresight is 101.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240721356/quicklook/glg_skymap_all_bn240721356.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/2024/bn240721356/quicklook/glg_healpix_all_bn240721356.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240721356/quicklook/glg_lc_medres34_bn240721356.gif\n\n"
}