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Challenging the Forward Shock Model with the 80 Ms Follow up of the X-ray Afterglow of Gamma-Ray Burst 130427A

Challenging the Forward Shock Model with the 80 Ms Follow up of the X-ray Afterglow of Gamma-Ray Burst 130427A

Title: Challenging the Forward Shock Model with the 80 Ms Follow up of the X-ray Afterglow of Gamma-Ray Burst 130427A
Author: De Pasquale, Massimiliano
Page, Mathew
Kann, David
Oates, Samantha
Schulze, Steve
Zhang, Bing
Cano, Zach   orcid.org/0000-0001-9509-3825
Gendre, Bruce
Malesani, Daniele
Rossi, Andrea
... 5 more authors Show all authors
Date: 2017-01-16
Language: English
Scope: 6
University/Institute: Háskóli Íslands
University of Iceland
School: Verkfræði- og náttúruvísindasvið (HÍ)
School of Engineering and Natural Sciences (UI)
Department: Raunvísindastofnun (HÍ)
Science Institute (UI)
Series: Galaxies;5(1)
ISSN: 2075-4434
DOI: 10.3390/galaxies5010006
Subject: Gamma-ray bursts; X-ray afterglows; GRB modeling; Gammageislar; Röntgentækni
URI: https://hdl.handle.net/20.500.11815/282

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Citation:

De Pasquale M, Page M, Kann DA, Oates SR, Schulze S, Zhang B, Cano Z, Gendre B, Malesani D, Rossi A, Gehrels N, Troja E, Piro L, Boër M, Stratta G. Challenging the Forward Shock Model with the 80 Ms Follow up of the X-ray Afterglow of Gamma-Ray Burst 130427A. Galaxies. 2017; 5(1):6. doi:10.3390/galaxies5010006

Abstract:

GRB 130427A was the most luminous gamma-ray burst detected in the last 30 years. With an isotropic energy output of 8.5 x 10(53) erg and redshift of 0.34, it combined very high energetics with a relative proximity to Earth in an unprecedented way. Sensitive X-ray observatories such as XMM-Newton and Chandra have detected the afterglow of this event for a record-breaking baseline longer than 80 million seconds. The light curve displays a simple power-law over more than three decades in time. In this presentation, we explore the consequences of this result for a few models put forward so far to interpret GRB 130427A, and more in general the implication of this outcome in the context of the standard forward shock model.

Rights:

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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