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The extent of the solar overshooting zone deduced from Li abundance
Xiong, DR; Deng, L
2002-10-21
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号336期号:2页码:511-519
摘要Using a non-local convection theory for chemically inhomogeneous stars, a set of models of the solar convective envelope is presented in this work. The (7) Li depletion as a result of convective overshooting is calculated. A model for the solar convective envelope is found which meets the observational constraints from both the Li abundance and depth of the convection zone determined by helioseismology. We argue that there is no general overshooting distance that holds for all physical quantities, and the differences between them can be factors of a few. In the case of solar lithium depletion, the effective overshooting distance at the low convective boundary can be extended to 1.07H(P) (where H-P is the local pressure scaleheight at the boundary), while the corresponding super-radiative temperature zone overshoots to 0.2H(P) in the sense of helioseismology, and the e-folding length for turbulent velocity and temperature is about 0.38H(P) for this solar model.
关键词Convection Sun : Abundances Sun : Interior
收录类别SCI
语种英语
WOS记录号WOS:000178605800020
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8554
专题光学天文研究部
作者单位1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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Xiong, DR,Deng, L. The extent of the solar overshooting zone deduced from Li abundance[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2002,336(2):511-519.
APA Xiong, DR,&Deng, L.(2002).The extent of the solar overshooting zone deduced from Li abundance.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,336(2),511-519.
MLA Xiong, DR,et al."The extent of the solar overshooting zone deduced from Li abundance".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 336.2(2002):511-519.
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