{
  "bibcode": "2014GCN.17001....1R",
  "body": "O.J. Roberts (UCD) reports on behalf of the Fermi GBM Team:\n\n\"At 07:18:21.67 UT on the 31st of October 2014, the Fermi\nGamma-Ray Burst Monitor triggered and located GRB 141031A\n(trigger 436432704 / 141031304), which was also detected by\nSwift (Gompertz et al. 2014, GCN 16995). The GBM on-ground\nlocation, using the Fermi GBM trigger data, is consistent with\nthe Swift location.\n\nThe angle from the Fermi LAT boresight is about 34 degrees.\n\nThe GBM light curve consists of a single peak with a duration\n(T90) of about 19.4 s (50-300 keV). The time-averaged spectrum\nfrom T0-6.1 s to T0+13.3 s is well fit by a power law function\nwith an exponential high-energy cutoff.  The power law index is\n-1.09 +/- 0.06  and the cutoff energy, parameterized as Epeak,\nis 410 +/- 66 keV.\n\nA Band function fits the spectrum equally well with\nEpeak = 221 (+/-57) keV, alpha = -0.92 +/- 0.12 , and\nbeta = -1.76 (+/-0.09).\n\nThe event fluence (10-1000 keV) in this time interval is\n(5.7 +/- 0.2)E-06  erg/cm^2. The 1-sec peak photon flux\nmeasured starting from T0+3.8 s in the 10-1000 keV band\nis 2.7 +/- 0.2 ph/s/cm^2.\n\nThe spectral analysis results presented above are preliminary;\nfinal results will be published in the GBM GRB Catalog.\"\n\n________________________________",
  "circularId": 17001,
  "createdOn": 1414773852000,
  "email": "oliver.roberts@ucd.ie",
  "subject": "GRB 141031A: Fermi GBM detection",
  "submitter": "Oliver Roberts at UCD/Fermi  <oliver.roberts@ucd.ie>",
  "eventId": "GRB 141031A"
}