对ETA Boo星振荡建模中的近表面效应
天体物理学
2007-05-23 v1
摘要
继Kjeldsen等人(1995)在G0 V星ETA Boo中报告发现类太阳振荡后,Christensen-Dalsgaard等人(1995)首次尝试对观测频率进行建模。该尝试成功再现了观测频率间距,但在观测频率与计算频率之间仍存在约10微赫兹的差异。在这些模型中,星体的近表面区域处理得相当粗略。本文我们考虑更为精妙的模型,包括非局域混合长度理论、湍流压力和非绝热振荡。
引用
@article{arxiv.astro-ph/9503106,
title = {NEAR-SURFACE EFFECTS IN MODELLING OSCILLATIONS OF ETA BOO},
author = {J. Christensen-Dalsgaard and T. R. Bedding and G. Houdek and H. Kjeldsen and C. Rosenthal and R. Trampedach and M. J. P. F. G. Monteiro and A. Nordlund},
journal= {arXiv preprint arXiv:astro-ph/9503106},
year = {2007}
}
备注
uuencoded and compressed Postscript (2 pages, including figure); To appear in Proceedings of IAU Colloquium 155, "Astrophysical Applications of Stellar Pulsation", Cape Town, South Africa