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Article: Modeling the radio and optical/NIR afterglows of GRB 980703: A numerical study

TitleModeling the radio and optical/NIR afterglows of GRB 980703: A numerical study
Authors
KeywordsAfterglows
Gamma ray bursts
Hydrodynamics
Jets and outflows
Shock waves
Issue Date2009
PublisherScience in China Press. The Journal's web site is located at http://219.238.6.200/journal?code=14
Citation
Science In China, Series G: Physics, Mechanics And Astronomy, 2009, v. 52 n. 12, p. 2047-2053 How to Cite?
AbstractExtensive multi-band afterglow data are available for GRB 980703. Especially, its radio afterglow was very bright and was monitored until more than 1000 days after the trigger time. Additionally, there is no obvious special feature, i.e., no rebrightenings, no plateau, and no special steep decay or slow decay in the multi-band afterglow light curves. All these conditions make GRB 980703 a precious sample in gamma-ray burst research. Here we use the observational data of GRB 980703 to test the standard fireball model in depth. It is found that the model can give a satisfactory explanation to the multi-band and overall afterglow light curves. The beaming angle of GRB 980703 is derived as ∼ 0.23 radian, and the circum-burst medium density is ∼ 27 cm -3. The total isotropic equivalent kinetic energy of the ejecta is ∼ 3.8 × 1052 ergs. A rest-frame extinction of A V ∼ 2.5 mag in the host galaxy is also derived. © 2009 Science in China Press and Springer Berlin Heidelberg.
Persistent Identifierhttp://hdl.handle.net/10722/80994
ISSN
2011 Impact Factor: 1.413
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China10625313
10973039
National Basic Research Program of China2009CB824800
Hong Kong GovernmentHKU701109P
Funding Information:

Supported by the National Natural Science Foundation of China (Grant Nos. 10625313 and 10973039), the National Basic Research Program of China (Grant No. 2009CB824800), and a GRF Grant of Hong Kong Government (Grant No. HKU701109P)

References

 

DC FieldValueLanguage
dc.contributor.authorKong, Sen_HK
dc.contributor.authorHuang, Yen_HK
dc.contributor.authorCheng, Ken_HK
dc.contributor.authorLu, Ten_HK
dc.date.accessioned2010-09-06T08:12:34Z-
dc.date.available2010-09-06T08:12:34Z-
dc.date.issued2009en_HK
dc.identifier.citationScience In China, Series G: Physics, Mechanics And Astronomy, 2009, v. 52 n. 12, p. 2047-2053en_HK
dc.identifier.issn1672-1799en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80994-
dc.description.abstractExtensive multi-band afterglow data are available for GRB 980703. Especially, its radio afterglow was very bright and was monitored until more than 1000 days after the trigger time. Additionally, there is no obvious special feature, i.e., no rebrightenings, no plateau, and no special steep decay or slow decay in the multi-band afterglow light curves. All these conditions make GRB 980703 a precious sample in gamma-ray burst research. Here we use the observational data of GRB 980703 to test the standard fireball model in depth. It is found that the model can give a satisfactory explanation to the multi-band and overall afterglow light curves. The beaming angle of GRB 980703 is derived as ∼ 0.23 radian, and the circum-burst medium density is ∼ 27 cm -3. The total isotropic equivalent kinetic energy of the ejecta is ∼ 3.8 × 1052 ergs. A rest-frame extinction of A V ∼ 2.5 mag in the host galaxy is also derived. © 2009 Science in China Press and Springer Berlin Heidelberg.en_HK
dc.languageengen_HK
dc.publisherScience in China Press. The Journal's web site is located at http://219.238.6.200/journal?code=14en_HK
dc.relation.ispartofScience in China, Series G: Physics, Mechanics and Astronomyen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAfterglowsen_HK
dc.subjectGamma ray burstsen_HK
dc.subjectHydrodynamicsen_HK
dc.subjectJets and outflowsen_HK
dc.subjectShock wavesen_HK
dc.titleModeling the radio and optical/NIR afterglows of GRB 980703: A numerical studyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1672-1799&volume=52&issue=12&spage=2047&epage=2053&date=2009&atitle=Modeling+the+radio+and+optical/NIR+afterglows+of+GRB+980703:+A+numerical+studyen_HK
dc.identifier.emailCheng, K: hrspksc@hkucc.hku.hken_HK
dc.identifier.authorityCheng, K=rp00675en_HK
dc.description.naturepostprint-
dc.identifier.doi10.1007/s11433-009-0275-yen_HK
dc.identifier.scopuseid_2-s2.0-77649090048en_HK
dc.identifier.hkuros169444en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77649090048&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume52en_HK
dc.identifier.issue12en_HK
dc.identifier.spage2047en_HK
dc.identifier.epage2053en_HK
dc.identifier.isiWOS:000272622300031-
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridKong, S=35112235700en_HK
dc.identifier.scopusauthoridHuang, Y=7501574835en_HK
dc.identifier.scopusauthoridCheng, K=9745798500en_HK
dc.identifier.scopusauthoridLu, T=7402684810en_HK
dc.identifier.citeulike6551097-

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