中文

低质量红巨星核心氦闪的三维数值实验

天体物理学 2009-11-13 v1

摘要

我们使用Djehuty——一个全三维(3D)代码——对低质量红巨星中的核心氦闪进行了建模。3D结构是由一颗1\Msun\Msun恒星的1D演化计算中获得的收敛模型生成的。无论我们采用哪个起始点,我们都发现,经过一段瞬态弛豫后,3D模型稳定在一个快速对流的氦燃烧壳层中,这与1D模型的预测没有太大差异。

关键词

引用

@article{arxiv.astro-ph/0512049,
  title  = {3D Numerical Experimentation on the Core Helium Flash of low-mass Red Giants},
  author = {David S. P. Dearborn and John C. Lattanzio and Peter P. Eggleton},
  journal= {arXiv preprint arXiv:astro-ph/0512049},
  year   = {2009}
}

备注

32 pages, 13 figures, accepted by ApJ. Figures reduced from high-res eps to low-res gif for rapid download. Contact Lattanzio for a copy of the higher res images (included, inplace, in the manuscript)