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Dynamical simulation of the motion of Leonid meteoric stream
Li, GY; Zha, HB
AbstractThe Leonid meteoric shower has been the most famous meteoric shower. The main characteristics of the stream are well known, being very spectacular displays in recent years. In this paper, the authors aim at searching the dynamic origin of the second peak of Leonids 1998. Firstly a dynamic model of the solar system is constructed, considering the perturbations of the nine major planets and the Moon, Post-Newtonian effects and the figure effect of the Earth. For the motions of comet and meteoroid, the non-gravitational effect and radiation pressure effect are taken into account separately. Secondly, the orbit of Comet Tempel-Tuttle is determined by using the observation data of this apparition. Finally, assuming an isotropic ejection model of comet, the authors simulate the motion of the meteoric stream and discover that the particles aged 2-revolutions erupted with velocity 50 m/s can befall Earth at 20h37m UT of Nov. 17, 1998, which form the main part of the second peak of Leonids 1998.
KeywordComet Tempel-tuttle
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed ByISTP ; SCI
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000178117100007
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Li, GY,Zha, HB. Dynamical simulation of the motion of Leonid meteoric stream[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS D,2002,11(7):1021-1034.
APA Li, GY,&Zha, HB.(2002).Dynamical simulation of the motion of Leonid meteoric stream.INTERNATIONAL JOURNAL OF MODERN PHYSICS D,11(7),1021-1034.
MLA Li, GY,et al."Dynamical simulation of the motion of Leonid meteoric stream".INTERNATIONAL JOURNAL OF MODERN PHYSICS D 11.7(2002):1021-1034.
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