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Study of photometric phase curve with new brightness model: refining phase function system parameters of asteroid (107) Camilla
Wang YB(王夷博)1,2,3; Wang XB(王晓彬)1,3; Wang A(王翱)1,2,3
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2016-09-01
Volume16Issue:9
DOI10.1088/1674-4527/16/9/147
Contribution Rank第1完成单位
Indexed BySCI
Keywordminor planets, asteroids: general: phase curve minor planets, asteroids: individual: (107) Camilla techniques: photometric
Abstract

We characterize the morphology of the photometric phase curve model of an asteroid with a three-parameter magnitude phase function H - G(1) - G(2) system by considering the effect of brightness variation arising from a triaxial ellipsoid representing the asteroid's shape. Applying this new model and a Markov Chain Monte Carlo method, we refine the photometric phase curve of asteroid (107) Camilla and obtain its absolute magnitude H = 7.026(-0.054)(+0.052) mag, and phase function parameters G(1) = 0.489(-0.044)(+0.043) and G(2) = 0.259(-0.023)(+0.023). Meanwhile, we also determine (107) Camilla's orientation of pole (74.1 degrees(-4.5)degrees(+4.3 degrees), 50.2 degrees(+5.4 degrees)(-0.060)) with rotational period of 4.843928(-0.000001)(+0.000001) h, and axial ratios a/b = 1.409(-0.020)(+0.020) and b/c = 1.249(-0.060)(+0.063) Furthermore, according to the values of phase function parameters G(1) and G(2) we infer that asteroid (107) Camilla is an X-type asteroid.

Funding ProjectNational Natural Science Foundation of China[11073051] ; National Natural Science Foundation of China[11473066] ; Open Project of Key Laboratory of Space Object and Debris Observation, Chinese Academy of Sciences
Funding OrganizationNational Natural Science Foundation of China[11073051, 11473066] ; Open Project of Key Laboratory of Space Object and Debris Observation, Chinese Academy of Sciences
Language英语
Subject Area天文学 ; 天体物理学 ; 实测天体物理学 ; 恒星与银河系 ; 恒星天文学
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:000385995800015
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordMAIN-BELT ASTEROIDS ; BIDIRECTIONAL REFLECTANCE SPECTROSCOPY ; ROTATIONAL PROPERTIES ; LIGHTCURVES ; GEODESY ; SHAPES ; PERIODS ; POLES ; SPIN
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9743
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 650011, 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 650011, China
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,Wang A. Study of photometric phase curve with new brightness model: refining phase function system parameters of asteroid (107) Camilla[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(9).
APA Wang YB,Wang XB,&Wang A.(2016).Study of photometric phase curve with new brightness model: refining phase function system parameters of asteroid (107) Camilla.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(9).
MLA Wang YB,et al."Study of photometric phase curve with new brightness model: refining phase function system parameters of asteroid (107) Camilla".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.9(2016).
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