PMO OpenIR  > 太阳活动的多波段观测研究团组
Could the 55 Cancri planetary system really be in the 3 : 1 mean motion resonance?
Ji, JH; Kinoshita, H; Liu, L; Li, GY
2003-03-10
Source PublicationASTROPHYSICAL JOURNAL
Volume585Issue:2Pages:L139-L142
AbstractWe integrate the orbital solutions of the planets orbiting 55 Cancri. In the simulations, we find that not only do the three resonant arguments theta(1) = lambda(1) - 3lambda(2) + 2 (ω) over tilde (1), theta(2) = lambda(1) - 3lambda(2) + 2 (ω) over tilde (2), and theta(3) = lambda(1) - 3lambda(2) + ((ω) over tilde (1) + (ω) over tilde (2)) librate, respectively, but the relative apsidal longitude Deltaomega also librates about 250degrees for millions of years. The results imply the existence of the 3 : 1 resonance and the apsidal resonance for the studied system. We emphasize that the mean motion resonance and apsidal locking can act as two important mechanisms for stabilizing the system. In addition, we further investigate the secular dynamics of this system by comparing the numerical results with those given by Laplace-Lagrange secular theory.
KeywordCelestial Mechanics Methods : N-body Simulations Planetary Systems Stars : Individual (55 Cancri, Gj 876, Hd 12661, Hd 82943, Nu Andromedae, 47 Ursae Majoris)
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordDYNAMICAL ANALYSIS ; GJ-876
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000181287300016
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15820
Collection太阳活动的多波段观测研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Natl Astron Observ Japan, Tokyo 1818588, Japan
4.Nanjing Univ, Dept Astron, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Ji, JH,Kinoshita, H,Liu, L,et al. Could the 55 Cancri planetary system really be in the 3 : 1 mean motion resonance?[J]. ASTROPHYSICAL JOURNAL,2003,585(2):L139-L142.
APA Ji, JH,Kinoshita, H,Liu, L,&Li, GY.(2003).Could the 55 Cancri planetary system really be in the 3 : 1 mean motion resonance?.ASTROPHYSICAL JOURNAL,585(2),L139-L142.
MLA Ji, JH,et al."Could the 55 Cancri planetary system really be in the 3 : 1 mean motion resonance?".ASTROPHYSICAL JOURNAL 585.2(2003):L139-L142.
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