YNAO OpenIR  > 系外行星研究组
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
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2017-09-01
Volume17Issue:9
DOI10.1088/1674-4527/17/9/94
Contribution Rank第1完成单位
Indexed BySCI
KeywordAsteroids: General: Photometric Phase Curve Asteroids: Individual: (106) Dione-techniques: Photometric Markov Chain Monte Carlo Method
Abstract

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.

Funding ProjectNational Natural Science Foundation of China[11073051] ; National Natural Science Foundation of China[11473066] ; National Natural Science Foundation of China[11673063] ; Open Project of Key Laboratory of Space Object and Debris Observation, Chinese Academy of Sciences
Funding OrganizationNational Natural Science Foundation of China[11073051, 11473066, 11673063] ; Open Project of Key Laboratory of Space Object and Debris Observation, Chinese Academy of Sciences
Language英语
Subject Area天文学 ; 太阳与太阳系 ; 行星物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Publication Place20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
ISSN1674-4527
URL查看原文
WOS IDWOS:000412778300006
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordBIDIRECTIONAL REFLECTANCE SPECTROSCOPY ; ATMOSPHERELESS BODIES ; SYSTEM ; G(1)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/11948
Collection系外行星研究组
中国科学院天体结构与演化重点实验室
Corresponding AuthorWang YB(王夷博)
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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.(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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