行星系统观测分析与轨道构型的形成机制

本项目研究国际天文学与天体力学前沿课题-系外行星探测与理论，内容包括：(1)利用我国南极AST3系外行星巡天数据,结合Kepler数据开展行星系统轨道特性的统计研究; (2)利用山东大学威海校区1米望远镜开展重要系外行星系统参数的精确化测定, 构建特殊轨道构型行星系统的形成理论;(3) 深入开展太阳系Kuiper带天体与大行星轨道演化研究. 通过这些观测与理论研究,揭示行星系统轨道构型对主星质量,元素丰度等初始条件的依赖关系,建立形成各种类型系外行星系统(包括太阳系)的理论模型, 并以此深化对太阳系大行星和小天体演化的理解,使我国系外行星探测与理论在国际上有较大的影响,并对我国正在开展的针对太阳系天体的深空探测提供进一步的理论参考.

The project covers the active area in astronomy and modern celestial mechanics--exoplanet, with contents including: (1) statistical studies of orbital properties in exoplanet systems, based on both the survey data of Chinese AST3 in the Antarctic, and the data from Kepler; (2) accurate determination of the orbital and physical parameters of some important exoplanet systems, which will constrain the formation theory of planetary systems; (3) evolutions of Kuiper Belt Objects and giant planets in the solar system. Based on the observational and theoretical works, we aim to reveal the correlations between the configurations of planetary systems and the stellar mass/metallicity, and to establish theoretical models for the formation of planetary systems (including the solar system) with various orbital configurations, and understand deeply the formation and evolution of both planets and small bodies in the solar system. After the execution of this program, we hope that the detection and theoretical works of exoplanets in China will have considerable international influences, and provide theoretical supports for the ongoing deep space exploration project of the solar system objects in China.