{
  "bibcode": "2019GCN.24814....1B",
  "body": "E. Bissaldi (Politecnico & INFN Bari), O.J. Roberts (USRA/NASA) and C. Meegan (UAH)\nreport on behalf of the Fermi GBM Team:\n\n\"At 10:47:00.05 UT on 13 June 2019, the Fermi Gamma-Ray Burst Monitor (GBM)\ntriggered and located GRB 190613B (trigger 582115625 / 190613449),\nwhich was also detected by the Swift/BAT (D'Ai et al. 2019, GCN 24807)\nThe GBM on-ground location is consistent with the Swift position.\n\nThe angle from the Fermi LAT boresight at the GBM trigger time using\nthe Swift-BAT position is 59 degrees.\n\nThe GBM light curve consists of single bright peak\nwith a duration (T90) of about 5 s (50-300 keV).\nThe time-averaged spectrum from T0-1 s to T0+4 s is\nbest fit by a power law function with an exponential\nhigh-energy cutoff.  The power law index is -0.96 +/- 0.05 and\nthe cutoff energy, parameterized as Epeak, is 334 +/- 35 keV.\n\nThe event fluence (10-1000 keV) in this time interval is\n(4.4 +/- 0.2)E-06 erg/cm^2. The 1-sec peak photon flux measured\nstarting from T0+2 s in the 10-1000 keV band\nis 7.5 +/- 0.3 ph/s/cm^2.\n\nThe spectral analysis results presented above are preliminary;\nfinal results will be published in the GBM GRB Catalog:\nhttps://heasarc.gsfc.nasa.gov/W3Browse/fermi/fermigbrst.html\n\nFor Fermi GBM data and info, please visit the official Fermi GBM Support Page:\nhttps://fermi.gsfc.nasa.gov/ssc/data/access/gbm/\"",
  "circularId": 24814,
  "createdOn": 1560443751000,
  "email": "oliver.roberts@nasa.gov",
  "subject": "GRB 190613B: Fermi GBM observation",
  "submitter": "Oliver J Roberts at USRA/NASA  <oliver.roberts@nasa.gov>",
  "eventId": "GRB 190613B"
}