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Study of photometric phase curve: assuming a cellinoid ellipsoid shape for asteroid (106) Dione
Wang YB(王夷博)1,2,3; Wang XB(王晓彬)1,3,4; Pray, Donald P.5; Wang A(王翱)1,2,3; Wang, Yi-Bo(Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China)
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2017-09-01
卷号17期号:9
DOI10.1088/1674-4527/17/9/94
产权排序第1完成单位
收录类别SCI
关键词Asteroids: General: Photometric Phase Curve Asteroids: Individual: (106) Dione-techniques: Photometric Markov Chain Monte Carlo Method
摘要We carried out new photometric observations of asteroid (106) Dione at three apparitions (2004, 2012 and 2015) to understand its basic physical properties. Based on a new brightness model, new photometric observational data and published data of (106) Dione were analyzed to characterize the morphology of Dione's photometric phase curve. In this brightness model, a cellinoid ellipsoid shape and three-parameter (H, G(1), G(2)) magnitude phase function system were involved. Such a model can not only solve the phase function system parameters of (106) Dione by considering an asymmetric shape of an asteroid, but also can be applied to more asteroids, especially those without enough photometric data to solve the convex shape. Using aMarkov ChainMonte Carlo (MCMC) method, Dione's absolutemagnitude of H = 7.66(-0.03)(+0.03) mag, and phase function parameters G(1) = 0.682(-0.077)(+0.077) and G(2) = 0.081(-0.042)(+0.042) were obtained. Simultaneously, Dione's simplistic shape, orientation of pole and rotation period were also determined preliminarily.
项目资助者National Natural Science Foundation of China(11073051, 11473066, 11673063) ; Open Project of Key Laboratory of Space Object and Debris Observation, Chinese Academy of Sciences
语种英语
学科领域天文学
文章类型Article
ISSN1674-4527
URL查看原文
WOS记录号WOS:000412778300006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]BIDIRECTIONAL REFLECTANCE SPECTROSCOPY ; ATMOSPHERELESS BODIES ; SYSTEM ; G(1)
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/11948
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, Yi-Bo(Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, China
4.Center for Astronomical Mega-Science, Chinese Academy of Sciences, Beijing 100012, China
5.Sugarloaf Mountain Observatory, South Deerfield, MA 01373, USA
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Wang YB,Wang XB,Pray, Donald P.,et al. Study of photometric phase curve: assuming a cellinoid ellipsoid shape for asteroid (106) Dione[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2017,17(9).
APA Wang YB,Wang XB,Pray, Donald P.,Wang A,&Wang, Yi-Bo.(2017).Study of photometric phase curve: assuming a cellinoid ellipsoid shape for asteroid (106) Dione.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,17(9).
MLA Wang YB,et al."Study of photometric phase curve: assuming a cellinoid ellipsoid shape for asteroid (106) Dione".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 17.9(2017).
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