Population Synthesis for Mira Variables

• 作 者: Chun-Hua Zhu Chao-Zheng Zha
• 机 构: DepartmentofPhysics
• 出 处: 中国天文和天体物理学报：英文版
• 发表日期: 2005年4期
• 关键词: 星座 恒星 星系天文学 空间分布 stars： late-type - stars： variables - stars： fundamental parame
• 基金项目: Acknowledgements We thank Prof. Jun Zhang for arranging the financial support and the work in Yunnan 0bservatory. We acknowledge the staff of the Binary Population Synthesis Group for kind help and Mr

By means of a population synthesis code, we investigate the Mira variables. Their birth rate (over 0.65yr-1) and their number (～ 130000) in the Galaxy are estimated. For all possible Mira variables, ranges of their initial masses,pulsating periods, mass l