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The large-scale, decelerating X-ray jets from the microquasar XTE J1550-564: Evidence for external shocks caused by the jet-ISM interaction?
Wang, XY; Dai, ZZ; Lu, T
2005
Source PublicationASTROPHYSICS AND SPACE SCIENCE
Volume297Issue:1-4Pages:155-166
AbstractLarge-scale, decelerating, relativistic X-ray jets from microquasar XTE J1550-564 has been recently discovered with Chandra by Corbel et al. ( 2002). We find that the dynamical evolution of the approaching jet at the late time is consistent with the well-known Sedov evolutionary phase R proportional to t(2/5). A trans-relativistic external shock dynamic model by analogy with the evolution of gamma-ray burst remnants, is shown to be able to fit the proper-motion data of the approaching jet reasonably well. The inferred interstellar medium density around the source is well below the canonical value n(ISM) similar to 1 cm(-3). The rapidly fading X-ray emission can be interpreted as synchrotron radiation from the non-thermal electrons in the adiabatically expanding ejecta. These electrons were accelerated by the reverse shock ( moving back into the ejecta) which becomes important when the inertia of the swept external matter leads to an appreciable slowing down of the original ejecta.
KeywordStars : Individual (Xte J1550-564) Gamma Rays : Bursts Ism : Jets And Outflows, Radiation Mechanisms : Non-thermal
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s10509-005-7591-0
WOS KeywordBURST AFTERGLOWS ; OPTICAL FLASH ; 433 SYSTEM ; EMISSION ; DYNAMICS ; RADIO ; MODEL ; PARAMETERS ; GALAXY
Indexed ByISTP ; SCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000228545100017
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10955
Collection院士文集_陆埮
Affiliation1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing, Peoples R China
Recommended Citation
GB/T 7714
Wang, XY,Dai, ZZ,Lu, T. The large-scale, decelerating X-ray jets from the microquasar XTE J1550-564: Evidence for external shocks caused by the jet-ISM interaction?[J]. ASTROPHYSICS AND SPACE SCIENCE,2005,297(1-4):155-166.
APA Wang, XY,Dai, ZZ,&Lu, T.(2005).The large-scale, decelerating X-ray jets from the microquasar XTE J1550-564: Evidence for external shocks caused by the jet-ISM interaction?.ASTROPHYSICS AND SPACE SCIENCE,297(1-4),155-166.
MLA Wang, XY,et al."The large-scale, decelerating X-ray jets from the microquasar XTE J1550-564: Evidence for external shocks caused by the jet-ISM interaction?".ASTROPHYSICS AND SPACE SCIENCE 297.1-4(2005):155-166.
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