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Exploring Fermi-LAT Extended GeV Emission with Stacking AnalysisTemporally extended emission at energies> 100 MeV have been seen nearly all of the bright GRBs detected by Fermi-LAT. The production mechanism and relationship to broadband afterglow emission remains controversial without detailed simultaneous multi-wavelength observations on individual sources. We explore this problem by stacking separately, the gamma-ray and X-ray emission for -150 Swift GRBs over the first few thousand seconds of overlapping observations after a trigger, and discuss the potential presence of an additional spectral component.
Document ID
20110008426
Acquisition Source
Goddard Space Flight Center
Document Type
Abstract
Authors
Racusin, Judith L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Chiang, James (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 25, 2013
Publication Date
March 5, 2011
Subject Category
Astronomy
Meeting Information
Meeting: The Prompt Activity of Gamma-Ray Bursts: Their Progenitors, Engines, and Radiation Mechanisms/NSCU
Location: Raleigh, NC
Country: United States
Start Date: March 5, 2011
End Date: March 7, 2011
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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