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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
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De Pasquale, Massimiliano, Page, Mathew, Kann, David, Oates, S. R., Schulze, Steve, Zhang, Bing, Cano, Zach, Gendre, Bruce, Malesani, Daniele, Rossi, Andrea, Gehrels, Neil, Troja, Eleonora, Piro, Luigi, Boër, Michel and Stratta, Giulia (2017) Challenging the forward shock model with the 80 Ms follow up of the X-ray afterglow of gamma-ray burst 130427A. Galaxies, 5 (1). 6. doi:10.3390/galaxies5010006 ISSN 2075-4434.
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Official URL: http://dx.doi.org/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 8.5×1053 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.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Journal or Publication Title: | Galaxies | ||||||
| Publisher: | MDPI | ||||||
| ISSN: | 2075-4434 | ||||||
| Official Date: | 16 January 2017 | ||||||
| Dates: |
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| Volume: | 5 | ||||||
| Number: | 1 | ||||||
| Article Number: | 6 | ||||||
| DOI: | 10.3390/galaxies5010006 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) |
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