Mira Symbiotic Stars
Mira Symbiotic Stars作者机构:National Astronomical Observatories / Yunnan Observatory Chinese Academy of Sciences Kunming 650011 Department of Physics Xinjiang University Urumqi 830046
出 版 物:《Chinese Journal of Astronomy and Astrophysics》 (中国天文和天体物理学报(英文版))
年 卷 期:2007年第7卷第1期
页 面:101-110页
核心收录:
学科分类:07[理学] 070401[理学-天体物理] 0704[理学-天文学]
基 金:Supported by the National Natural Science Foundation of China
主 题:binaries symbiotic-Galaxy stellar content-stars Mira variables
摘 要:We have carried out a detailed study of Mira symbiotic stars by means of a population synthesis code. We estimate the number of Mira symbiotic stars in the Galaxy as 1700 - 3100 and the Galactic occurrence rate of Mira symbiotic novae as from -0.9 to 6.0 yr^-1, depending on the model assumptions. The distributions of the orbital periods, the masses of the components, mass-loss rates of cool components, mass-accretion rates of hot components and Mira pulsation periods in Mira symbiotic stars are simulated. By a comparison of the number ratio of Mira symbiotic stars to all symbiotic stars, we find the model with the stellar wind model of Winters et al. to be reasonable.