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Extended GeV-TeV Emission around Gamma-Ray Burst Remnants, and the Case of W49B

Kunihito Ioka·Shiho Kobayashi·Peter Meszaros
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Abstract

We investigate the high-energy photon emission around Gamma-Ray Burst (GRB) remnants caused by ultrahigh-energy cosmic rays (UHECRs) from the GRBs. We apply the results to the recent report that the supernova remnant W49B is a GRB remnant in our Galaxy. If this is correct, and if GRBs are sources of UHECRs, a natural consequence of this identification would be a detectable TeV photon emission around the GRB remnant. The imaging of the surrounding emission could provide new constraints on the jet structure of the GRB.

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Kunihito Ioka, Shiho Kobayashi, Peter Meszaros. 2004-08-25. Extended GeV-TeV Emission around Gamma-Ray Burst Remnants, and the Case of W49B. https://doi.org/10.1086/425035

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