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Light curve inversion of asteroid (585) Bilkis with Lommel-Seeliger ellipsoid method
Wang A(王翱)1,2,3; Wang XB(王晓彬)1,2; Muinonen, Karri4,5; Han, Xianming L.6; Wang YB(王夷博)1,2,3; Wang, Xiao-Bin(Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China)
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2016-12-01
卷号16期号:12页码:1-8
DOI10.1088/1674-4527/16/12/180
产权排序第1完成单位
收录类别SCI
关键词Asteroids Photometric Observation Spin Parameter Shape Mcmc Method
摘要The basic physical parameters of asteroids, such as spin parameters, shape and scattering parameters, can provide us with information on the formation and evolution of both the asteroids themselves and the entire solar system. In a majority of asteroids, the disk-integrated photometry measurement constitutes the primary source of the above knowledge. In the present paper, newly observed photometric data and existing data on (585) Bilkis are analyzed based on a Lommel-Seeliger ellipsoid model. With a Markov chain Monte Carlo (MCMC) method, we have determined the spin parameters (period, pole orientation) and shape (b/a, cla) of (585) Bilkis and their uncertainties. As a result, we obtained a rotational period of 8.5738209 h with an uncertainty of 9 x 10(-7) h, and derived a pole of (136.46 degrees, 29.0 degrees) in the ecliptic frame of J2000.0 with uncertainties of 0.67 degrees and 1.1 degrees in longitude and latitude respectively. We also derived triaxial ratios b/a and c/a of (585) Bilkis as 0.736 and 0.70 with uncertainties of 0.003 and 0.03 respectively.
项目资助者National Natural Science Foundation of China(11073051, 11473066) ; Academy of Finland(1257966)
语种英语
学科领域天文学
文章类型Article
ISSN1674-4527
URL查看原文
归档日期2017-03-15
WOS记录号WOS:000391647000002
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9906
专题系外行星研究组
中国科学院天体结构与演化重点实验室
通讯作者Wang, Xiao-Bin(Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2a, P.O. Box 64, FI-00014 U. Helsinki, Finland
5.Finnish Geospatial Research Institute, Geodeetinrinne 2, FI-02430 Masala, Finland
6.Department of Physics and Astronomy, Butler University, Indianapolis, IN 46208, USA
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Wang A,Wang XB,Muinonen, Karri,et al. Light curve inversion of asteroid (585) Bilkis with Lommel-Seeliger ellipsoid method[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(12):1-8.
APA Wang A,Wang XB,Muinonen, Karri,Han, Xianming L.,Wang YB,&Wang, Xiao-Bin.(2016).Light curve inversion of asteroid (585) Bilkis with Lommel-Seeliger ellipsoid method.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(12),1-8.
MLA Wang A,et al."Light curve inversion of asteroid (585) Bilkis with Lommel-Seeliger ellipsoid method".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.12(2016):1-8.
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