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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
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
产权排序第1完成单位
收录类别SCI
关键词minor planets, asteroids: general: phase curve minor planets, asteroids: individual: (107) Camilla techniques: photometric
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.

资助项目National 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
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
学科门类理学 ; 理学::天文学
文章类型Article
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
出版地20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
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
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
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(王夷博)
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
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
推荐引用方式
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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