COMPOSITE POLYTROPIC MODELS OF THE SUN.
- National Research Institute of Astronomy and Geophysics, Helwan, Cairo, Egypt.
- Astronomy Dept., Faculty of Science, Cairo University, Cairo, Egypt.
- Physics Dept., Faculty of Sciences and Arts, Al-Mandaq, Al Baha University, Kingdom of Saudi Arabia.
- Physics Dept., College of Sciences and Humanities, Hawtat Sudair, Majmaah University, Kingdom of Saudi Arabia
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One of the most important contributions which stellar structure has made for equilibrium configuration is the theory of self gravitating polytrope. In this paper we use the Standard Solar Model SSM of Bahcall, Serenelli, Basu(2005) as a basic to developed a solar models in hydrostatic equilibrium expressing the physical structure of a sequence of two zones polytropes associated to the convective and radiative regions, and three zones polytropes associated to the nuclear, the radiative and the convective regions of the solar interior. We show that a composite three zones polytrope is a good representation for SSM.
[M. Sedek, H. El-Zafarani, Magdy Y. Amin and Hayman Z. M. (2016); COMPOSITE POLYTROPIC MODELS OF THE SUN. Int. J. of Adv. Res. 4 (Mar). 1819-1826] (ISSN 2320-5407). www.journalijar.com
