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Article: Nonrelativistic phase in γ-ray burst afterglows

TitleNonrelativistic phase in γ-ray burst afterglows
Authors
KeywordsAfterglows
Gamma-Ray Bursts
Jets
Relativity
Shock Waves
Issue Date2007
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/10020071.asp
Citation
Progress In Natural Science, 2007, v. 17 n. 11, p. 1261-1270 How to Cite?
AbstractThe discovery of multiband afterglows definitely shows that most γ-ray bursts are of cosmological origin. γ-ray bursts are found to be one of the most violent explosive phenomena in the Universe, in which astonishing ultra-relativistic motions are involved. In this article, the multiband observational characteristics of γ-ray bursts and their afterglows are briefly reviewed. The standard model of γ-ray bursts, i.e. the fireball model, is described. Emphasis is then put on the importance of the nonrelativistic phase of afterglows. The concept of deep Newtonian phase is elaborated. A generic dynamical model applicable in both the relativistic and nonrelativistic phases is introduced. Based on these elaborations, the overall afterglow behaviors, from the very early stages to the very late stages, can be conveniently calculated.
Persistent Identifierhttp://hdl.handle.net/10722/175103
ISSN
2015 Impact Factor: 1.753
2015 SCImago Journal Rankings: 0.575

 

DC FieldValueLanguage
dc.contributor.authorHuang, Yen_US
dc.contributor.authorLu, Ten_US
dc.contributor.authorCheng, Ken_US
dc.date.accessioned2012-11-26T08:49:13Z-
dc.date.available2012-11-26T08:49:13Z-
dc.date.issued2007en_US
dc.identifier.citationProgress In Natural Science, 2007, v. 17 n. 11, p. 1261-1270en_US
dc.identifier.issn1002-0071en_US
dc.identifier.urihttp://hdl.handle.net/10722/175103-
dc.description.abstractThe discovery of multiband afterglows definitely shows that most γ-ray bursts are of cosmological origin. γ-ray bursts are found to be one of the most violent explosive phenomena in the Universe, in which astonishing ultra-relativistic motions are involved. In this article, the multiband observational characteristics of γ-ray bursts and their afterglows are briefly reviewed. The standard model of γ-ray bursts, i.e. the fireball model, is described. Emphasis is then put on the importance of the nonrelativistic phase of afterglows. The concept of deep Newtonian phase is elaborated. A generic dynamical model applicable in both the relativistic and nonrelativistic phases is introduced. Based on these elaborations, the overall afterglow behaviors, from the very early stages to the very late stages, can be conveniently calculated.en_US
dc.languageengen_US
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/10020071.aspen_US
dc.relation.ispartofProgress in Natural Scienceen_US
dc.subjectAfterglowsen_US
dc.subjectGamma-Ray Burstsen_US
dc.subjectJetsen_US
dc.subjectRelativityen_US
dc.subjectShock Wavesen_US
dc.titleNonrelativistic phase in γ-ray burst afterglowsen_US
dc.typeArticleen_US
dc.identifier.emailCheng, K: hrspksc@hkucc.hku.hken_US
dc.identifier.authorityCheng, K=rp00675en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-36549069657en_US
dc.identifier.hkuros138848-
dc.identifier.volume17en_US
dc.identifier.issue11en_US
dc.identifier.spage1261en_US
dc.identifier.epage1270en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridHuang, Y=7501574835en_US
dc.identifier.scopusauthoridLu, T=7402684810en_US
dc.identifier.scopusauthoridCheng, K=9745798500en_US

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