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两个可能具有2:1平运动共振结构系统的稳定性研究
Alternative TitleStability Analysis of the Two Possible 2:1 MMR Systems
马大柱1,2,3; 傅燕宁1; 王晓丽4
Source Publication天文学报(Acta Astronomica Sinica)
2017-11
Volume58Issue:6Pages:111-118
DOI10.15940/j.cnki.0001-5245.2017.06.009
ClassificationP137
Contribution Rank第4完成单位
Indexed ByCSCD ; 核心
Keyword天体力学 行星系统 行星和卫星:动力学演化和稳定性
Abstract

通过分析现有视向速度资料提供的轨道拟合解,发现HD 155358和24 Sextanis两系统都有可能处于2:1平运动共振状态.主要讨论了两系统共振结构的动力学稳定性问题,计算了两系统最优拟合值1σ置信区间内大量样本的混沌指标?emax.结果表明:HD155358系统长期稳定,不依赖于平运动共振的保护.但是,24 Sextanis系统如果要维持长期稳定,2:1平运动共振保护是必要条件. 

Other Abstract

Based on the existing orbital parameters determined with the radial velocity (RV) data, the planets in HD 155358 and 24 Sextanis systems are found possibly trapped in the 2:1 mean motion resonance (MMR), respectively. For each system, the dynamical behavior of the best-fitting solution is discussed, and the 1 confidence around the best-fitting initial phase point is explored using the chaos indicator Δemax. The results reveal that HD 155358 could be stable without the 2:1 MMR protection, but the case is different for 24 Sextanis system.

Funding Project国家自然科学基金项目[11263003] ; 国家自然科学基金项目[11533004] ; 国家自然科学基金项目[11603072]
Funding Organization国家自然科学基金项目[11263003, 11533004, 11603072]
Language中文
Subject Area天文学 ; 天体力学
MOST Discipline Catalogue理学 ; 理学::天文学
ISSN0001-5245
CSCD IDCSCD:6122509
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/12064
Collection丽江天文观测站(南方基地)
Affiliation1.中国科学院紫金山天文台,南京,210008
2.中国科学院大学,北京,100049
3.湖北民族学院理学院,恩施,445000
4.中国科学院云南天文台,昆明,650011
Recommended Citation
GB/T 7714
马大柱,傅燕宁,王晓丽. 两个可能具有2:1平运动共振结构系统的稳定性研究[J]. 天文学报(Acta Astronomica Sinica),2017,58(6):111-118.
APA 马大柱,傅燕宁,&王晓丽.(2017).两个可能具有2:1平运动共振结构系统的稳定性研究.天文学报(Acta Astronomica Sinica),58(6),111-118.
MLA 马大柱,et al."两个可能具有2:1平运动共振结构系统的稳定性研究".天文学报(Acta Astronomica Sinica) 58.6(2017):111-118.
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