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arXiv 1708.01906astro-ph.SR
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Zahn动力潮理论及其在恒星中的应用

Zahn's Theory of Dynamical Tides and Its Application to Stars

S. V. Chernov

摘要:

对赞恩的动力潮汐理论进行了批判性的分析。我们比较这个理论的结果与我们的数值计算的恒星的对流核心和辐射信封,并与质量的一个半和两个太阳的质量。我们证明,对于一个由1.5或2个太阳质量的恒星和一个质量等于太阳质量的点天体组成的双星系统,在密集光谱和中等快速耗散的假设下,其半长轴的演化时标将比Zahn理论中的短几个数量级

英文摘要:

Zahn's theory of dynamical tides is analyzed critically. We compare the results of this theory with our numerical calculations for stars with a convective core and a radiative envelope and with masses of one and a half and two solar masses. We show that for a binary system consisting of stars of one and a half or two solar masses and a point object with a mass equal to the solar mass and with an orbital period of one day under the assumption of a dense spectrum and moderately rapid dissipation, the evolution time scales of the semimajor axis will be shorter than those in Zahn's theory by several orders of magnitude

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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