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arXiv 0902.4142astro-ph.SR
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太阳核中的低阶高频p和g模

Low-Degree High-Frequency p and g Modes in the Solar Core

S. Mathur, R. A. Garcia, A. Eff-Darwich

摘要:

太阳重力(g)模式在太阳内部的辐射部分传播,对太阳核心的物理条件非常敏感。如果它们得到适当探测和定性,它们将是推断辐射内部,特别是地核的结构和动态的最佳工具。虽然g模式的个别旋转分裂尚未计算,但我们必须了解这些模式以及低阶高频p模式对0.1和0.2 Rs之间太阳自转速率反演的影响。在这项工作中,我们遵循Mathur等人(2008)和Garcia等人(2008)开发的方法,将g模式和低度高频p模式添加到人工反演数据集中,以研究它们如何传达有关太阳的信息核心旋转。

英文摘要:

Solar gravity (g) modes propagate within the radiative part of the solar interior and are highly sensitive to the physical conditions of the solar core. They would represent the best tool to infer the structure and dynamics of the radiative interior, in particular the core, if they were properly detected and characterized. Although individual rotational splittings for g modes have not yet been calculated, we have to understand the effect of these modes, and also low-degree high-frequency p modes, on the inversion of the solar rotation rate between 0.1 and 0.2 Rs. In this work, we follow the methodology developed in Mathur et al. (2008) and Garcia et al. (2008), adding g modes and low-degree high-frequency p modes to artificial inversion data sets, in order to study how they convey information on the solar core rotation.

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