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Numerical simulation of the Moon's rotation in a rigorous relativistic framework
Wang Zai1; Han WenBiao2; Tang Kai2; Tao JinHe2
2016
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume16Issue:6
AbstractThis paper describes a numerical simulation of the rigid rotation of the Moon in a relativistic framework. Following a resolution passed by the International Astronomical Union (IAU) in 2000, we construct a kinematically non-rotating reference system named the Selenocentric Celestial Reference System (SCRS) and give the time transformation between the Selenocentric Coordinate Time (TCS) and Barycentric Coordinate Time (TCB). The post-Newtonian equations of the Moon's rotation are written in the SCRS, and they are integrated numerically. We calculate the correction to the rotation of the Moon due to total relativistic torque which includes post-Newtonian and gravitomagnetic torques as well as geodetic precession. We find two dominant periods associated with this correction: 18.6 yr and 80.1 yr. In addition, the precession of the rotating axes caused by fourth-degree and fifth-degree harmonics of the Moon is also analyzed, and we have found that the main periods of this precession are 27.3 d, 2.9 yr, 18.6 yr and 80.1 yr.
KeywordCELESTIAL MECHANICS REFERENCE SYSTEMS RIGID EARTH MOTION TIME EXPRESSIONS QUANTITIES LIBRATION EQUATIONS lunar libration Selenocentric Celestial Reference System geodetic precession general relativity
Language英语
Funding Project[National Natural Science Foundation of China]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/71367
Collection中国科学院国家天文台
Affiliation1.上海大学
2.中国科学院国家天文台
Recommended Citation
GB/T 7714
Wang Zai,Han WenBiao,Tang Kai,et al. Numerical simulation of the Moon's rotation in a rigorous relativistic framework[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(6).
APA Wang Zai,Han WenBiao,Tang Kai,&Tao JinHe.(2016).Numerical simulation of the Moon's rotation in a rigorous relativistic framework.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(6).
MLA Wang Zai,et al."Numerical simulation of the Moon's rotation in a rigorous relativistic framework".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.6(2016).
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