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http://hdl.handle.net/20.500.12386/26720
Title: | Challenging the Forward Shock Model with the 80 Ms Follow up of the X-ray Afterglow of Gamma-Ray Burst 130427A | Authors: | De Pasquale, Massimiliano Page, Mathew Kann, David Oates, Samantha Schulze, Steve Zhang, Bing Cano, Zach Gendre, Bruce Malesani, Daniele ROSSI, Andrea Gehrels, Neil Troja, Eleonora PIRO, LUIGI Boër, Michel STRATTA, MARIA GIULIANA |
Issue Date: | 2017 | Journal: | GALAXIES | Number: | 5 | Issue: | 1 | First Page: | 6 | Abstract: | GRB 130427A was the most luminous gamma-ray burst detected in the last 30 years. With an isotropic energy output of <mml:math display="inline"> <mml:mrow> <mml:mn>8.5</mml:mn> <mml:mo>×</mml:mo> <mml:msup> <mml:mn>10</mml:mn> <mml:mn>53</mml:mn> </mml:msup> </mml:mrow> </mml:math> 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. | URI: | http://hdl.handle.net/20.500.12386/26720 | URL: | https://www.mdpi.com/2075-4434/5/1/6 | ISSN: | 2075-4434 | DOI: | 10.3390/galaxies5010006 | Bibcode ADS: | 2017Galax...5....6D | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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depasquale_galaxies-05-00006_2017.pdf | PDF editoriale | 432.45 kB | Adobe PDF | View/Open |
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