高度不均匀恒星的基本振动模式
Fundamental vibrational mode in a highly inhomogeneous star
摘要：
将中心具有奇异密度的粘性液体自引力质量模型的高度非均匀星的基振动模的本征频率问题与均匀密度液体星模型的Kelvin基振动模的本征频率问题并列考虑。特别注意的是，在奇异和均匀的恒星模型的频率和寿命的f-模式的谱方程之间的差异。在前白矮星恒星和恒星茧-中心有致密恒星形成核心的球形气体尘埃云-的理论星震学背景下讨论了新获得的结果。
英文摘要：
The eigenfrequency problem of fundamental vibrational mode in a highly inhomogeneous star, modeled by self-gravitating mass of viscous liquid with singular density at the center, is considered in juxtaposition with that for Kelvin fundamental mode in the liquid star model with uniform density. Particular attention is given to the difference between spectral equations for the frequency and lifetime of f-mode in the singular and homogeneous star models. The newly obtained results are discussed in the context of theoretical asteroseismology of pre-white dwarf stars and stellar cocoons -- spherical gas-dust clouds with dense star-forming core at the center.
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