太阳能建模的当前状态
Christensen-Dalsgaard1, Dappen, Ajukov
1J. Christensen-Dalsgaard and S. Basu are with Theoretical Astrophysics Center and Institute of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark. W. Dappen and E. J. Rhodes Jr. are with the Department of Physics and Astronomy, University of Southern California, Los Angeles, CA 90089, USA. S. V. Ajukov is with the Sternberg Astronomical Institute, Moscow, Russia. E. R. Anderson, J. W. Harvey, F. Hill, and J. W. Leibacher are with the National Solar Observatory, National Optical Astronomy Observatories, Tucson, AZ 85726, USA. H. M. Antia and S. M. Chitre are with the Tata Institute of Fundamental Research, Bombay, India. V. A. Baturin, I. W. Roxburgh, and M. J. Thompson are with the Astronomy Unit, Queen Mary and Westfield College, London E1 4NS, UK. G. Berthomieu, P. Morel, and J. Provost are with the Observatoire de la Cote d'Azur, Nice, France. B. Chaboyer is with CITA, University of Toronto, Toronto, Canada. A. N. Cox and J. A. Guzik are with Los Alamos National Laboratory, Los Alamos, NM 87545, USA. P. Demarque is with the Department of Astronomy, Yale University, New Haven, CT 06520, USA. J. Donatowicz and G. Houdek are with the Institut fur Astronomie, Universitat Wien, Vienna, Austria. W. A. Dziembowski is with the Copernicus Center, Warsaw, Poland. M. Gabriel is with the Institut d'Astrophysique, Universite de Liege, Liege, Belgium. D. O. Gough is with the Institute of Astronomy, University of Cambridge, Cambridge, UK. D. B. Guenther is with the Department of Astronomy and Physics, Saint Mary's University, Halifax, Nova Scotia, Canada. C. A. Iglesias and F. J. Rogers are with the Lawrence Livermore National Laboratory, Livermore, CA 94550, USA. A. G. Kosovichev is with Center for Space Science and Astrophysics, Stanford University, Stanford, CA 94305, USA. C. R. Proffitt is with Computer Sciences Corporation, Goddard Space Flight Center, Greenbelt, MD 20771, USA. J. Reiter is with the Mathematisches Institut, Technische Universitat Munchen, Munich, Germany. R. K. Ulrich is with the Department of Physics and Astronomy, University of California, Los Angeles, CA 90095, USA.
来自全球振荡网络集团 (GONG) 的太阳地震数据揭示了太阳模型中的微妙错误,表明对流区下方存在差异. 这些发现可能会影响恒星进化计算和银河系年龄的估计.
科学领域:
- * 太阳物理学和太阳地震学.
- * 星际的室内建模.
- *恒星物质的热力学和辐射性质.
背景情况:
- * 太阳振荡实验,包括全球振荡网络集团 (GONG) 项目,对于测试太阳内部模型至关重要.
- *目前的模型通常与日地震推断一致,解释了太阳中微子流量差异.
- *模型取决于在极端太阳条件下物质的精确热力学和辐射性质.
研究的目的:
- * 测试当前太阳内部模型的准确性,使用日热地震数据.
- * 识别模型中的微妙差异,这些差异可能不会从更广泛的观测中看出来.
- * 调查这些差异对理解恒星内部和进化的影响.
主要方法:
- *分析来自全球振荡网络集团 (GONG) 和其他日震实验的数据.
- * 太阳地震推断与已建立的太阳内部模型的预测进行比较.
- * 在极端条件下研究物质的热力学和辐射性质.
主要成果:
- * 太阳地震数据证实与有关太阳中微子流的模型一致.
- * GONG数据揭示了模型中的微妙错误,特别是对流带下方的过度声速.
- *差异表明当前恒星模型中没有解决的物理效应.
结论:
- *太阳能模型中的微妙错误,以声速异常表示,需要进一步调查.
- *这些差异可能表明恒星内部的混合较弱,这是可能影响恒星演变的因素.
- *精确的恒星进化模型对于可靠估计银河系年龄至关重要.
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