{
  "bibcode": "2019GCN.26330....1K",
  "body": "D. Kocevski (NASA/GSFC), R. Angioni (ASI/SSDC and INFN, Roma2), F. Longo (University and INFN, Trieste),\r\n\r\nN. Omodei (Stanford University), E. Bissaldi (Politecnico and INFN, Bari) and L. Scotton (CNRS/IN2P3/LUPM, Montpellier)\r\n\r\nreport on behalf of the Fermi-LAT Collaboration:\r\n\r\n\r\nOn December 2nd, 2019, Fermi-LAT detected high-energy emission from\r\n\r\nGRB 191202A, which was also detected by Fermi-GBM (trigger 597012536/191202867) (Veres et al. 2019, GCN 26329).\r\n\r\n\r\nThe best LAT on-ground location is found to be\r\n\r\n\r\nRA, Dec = 249.54, 17.56 (degrees, J2000)\r\n\r\n\r\nwith an error radius of 0.24 deg (90% containment, statistical error only).\r\n\r\nThis was 11.4 deg from the LAT boresight at the time of the GBM trigger:\r\n\r\n\r\nT0 = 20:48:51.23 UT.\r\n\r\n\r\nThe data from the Fermi-LAT show a significant increase\r\nin the event rate after the GBM trigger that is spatially correlated with the\r\nGBM emission with high significance.\r\nThe photon flux above 100 MeV in the time interval 0-1000s after the\r\nGBM trigger is 2.6e-06 +/- 8.8e-07 ph/cm2/s.\r\n\r\n\r\n\r\nThe estimated photon index above 100 MeV is -1.6 +/- 0.2.\r\n\r\n\r\n\r\n\r\nThe highest-energy photon is a 1.8 GeV event which is observed 393 seconds\r\n\r\nafter the GBM trigger.\r\n\r\n\r\nThe Fermi-LAT point of contact for this burst is\r\n\r\nLorenzo Scotton (lorenzo.scotton@lupm.in2p3.fr).\r\n\r\n\r\n\r\nThe Fermi-LAT is a pair conversion telescope designed to cover\r\n\r\nthe energy band from 20 MeV to greater than 300 GeV.\r\n\r\nIt is the product of an international collaboration between\r\n\r\nNASA and DOE in the U.S. and many scientific institutions\r\n\r\nacross France, Italy, Japan and Sweden.",
  "circularId": 26330,
  "createdOn": 1575403445000,
  "email": "lorenzoscotton@live.it",
  "subject": "GRB 191202A: Fermi-LAT detection",
  "submitter": "Lorenzo Scotton at CNRS/IN2P3/LUPM  <lorenzoscotton@live.it>",
  "eventId": "GRB 191202A"
}