{
  "createdOn": 1728484907788,
  "body": "R. Gupta (NASA GSFC), C. Bartolini (UniTrento e INFN Bari), and J. Racusin (NASA GSFC) report on behalf of the Fermi-LAT Collaboration:\n\nOn Oct 08, 2024, Fermi-LAT detected high-energy emission from GRB 241008A, which was also detected by Fermi-GBM (trigger 750117609/ 241008917, GCN 37740).\n\nThe best LAT on-ground location is found to be:\n\nRA, Dec = 112.84, -9.40 (J2000)\n\nwith an error radius of 0.23 deg (90 % containment, statistical error only).\n\nThis was 82 deg from the LAT boresight at the time of the GBM trigger: T0 = 22:00:04 UT.\n\nThe data from the Fermi-LAT show a significant increase in the event rate that is spatially and temporally correlated with the GBM emission with high significance. The photon flux above 100 MeV in the time interval 0-2050 s after the GBM trigger is (2.1 +/- 0.7) E-6 ph/cm2/s. The estimated photon index above 100 MeV is -2.0 +/- 0.3.\n\nThe highest-energy photon is a 1.8 GeV event which is observed ~1667 seconds after the GBM trigger.\n\nThe Fermi-LAT point of contact for this burst is Rahul Gupta (rahul.gupta@nasa.gov).\n\nThe Fermi-LAT is a pair conversion telescope designed to cover the energy band from 20 MeV to greater than 300 GeV. It is the product of an international collaboration between NASA and DOE in the U.S. and many scientific institutions across France, Italy, Japan and Sweden.",
  "bibcode": "2024GCN.37747....1G",
  "circularId": 37747,
  "submitter": "Rahul Gupta at NASA GSFC <rahul.gupta@nasa.gov>",
  "subject": "GRB 241008A: Fermi-LAT detection",
  "submittedHow": "web",
  "format": "text/plain",
  "eventId": "GRB 241008A"
}