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A possible model for the supernova/gamma-ray burst connection
Wang, XY; Dai, ZG; Lu, T; Wei, DM; Huang, YF
2000-05-01
Source PublicationASTRONOMY & ASTROPHYSICS
Volume357Issue:2Pages:543-547
AbstractConversion from neutron stars to strange stars as a possible mechanism of cosmological gamma-ray bursts (GRB s) has been discussed in previous works, although the existence of strange stars is still an open question. On the basis of this mechanism, we here outline an explanation of the connection between supernovae (SNe) and GRBs, which has got increasing evidence recently. An asymmetric but normal SN explosion leaves a massive (greater than or equal to 1.8M(circle dot)) and rapidly rotating neutron star, which then converts to a strange star few days later, due to its rapid spin down. The accompanied fireball, which can be accelerated to ultra-relativistic velocity (To similar to 100) due to the very low baryon contamination of the strange star, flows out along the direction of the high-velocity SN jet and subsequently produces a GRB and the following low energy afterglows by interacting with the surrounding stellar wind. We will also expect a very luminous supernova like SN1998bw, if a large fraction of the conversion energy finally turns into the kinetic energy of the supernova ejecta.
KeywordGamma Rays : Bursts Shock Waves Stars : Neutron Stars : Supernovae : General
WOS HeadingsScience & Technology ; Physical Sciences
WOS Keyword25 APRIL 1998 ; STRANGE STARS ; NEUTRON-STARS ; AFTERGLOW ; MATTER ; CONVERSION ; STATE ; DENSE ; CRUST ; CORE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000087515600019
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15994
Collection院士文集_陆埮
Affiliation1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
2.CAS, LCRHEA, IHEP, Beijing, Peoples R China
3.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
4.Chinese Acad Sci, Natl Astron Observ, Beijing 100864, Peoples R China
Recommended Citation
GB/T 7714
Wang, XY,Dai, ZG,Lu, T,et al. A possible model for the supernova/gamma-ray burst connection[J]. ASTRONOMY & ASTROPHYSICS,2000,357(2):543-547.
APA Wang, XY,Dai, ZG,Lu, T,Wei, DM,&Huang, YF.(2000).A possible model for the supernova/gamma-ray burst connection.ASTRONOMY & ASTROPHYSICS,357(2),543-547.
MLA Wang, XY,et al."A possible model for the supernova/gamma-ray burst connection".ASTRONOMY & ASTROPHYSICS 357.2(2000):543-547.
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