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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; Wang, YB
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2016-09-01
卷号16期号:9
DOI10.1088/1674-4527/16/9/147
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收录类别SCI
关键词Minor Planets Techniques: Photometric Asteroids: General: Phase Curve Minor Planets Asteroids: Individual: (107) Camilla
摘要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.
项目资助者National Natural Science Foundation of China(11073051, 11473066) ; Open Project of Key Laboratory of Space Object and Debris Observation, Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1674-4527
URL查看原文
WOS记录号WOS:000385995800015
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MAIN-BELT ASTEROIDS ; BIDIRECTIONAL REFLECTANCE SPECTROSCOPY ; ROTATIONAL PROPERTIES ; LIGHTCURVES ; GEODESY ; SHAPES ; PERIODS ; POLES ; SPIN
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9743
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, YB
作者单位1.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
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Wang YB,Wang XB,Wang A,et al. 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,&Wang, YB.(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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