Photometric survey and taxonomic identifications of 92 near-Earth asteroids
Lin, Chien-Hsien1,3; Ip, Wing-Huen1,2; Lin, Zhong-Yi2; Cheng, Yu-Chi2; Lin, Hsing-Wen2; Chang, Chan-Kao2; Ip, Wing-Huen(Macau Univ Sci & Technol, Space Sci Inst, Macau Sar, Peoples R China)
发表期刊PLANETARY AND SPACE SCIENCE
2018-03-01
卷号152页码:116-135
DOI10.1016/j.pss.2017.12.019
收录类别SCI
关键词Near-earth Asteroids Photometry Taxonomy
摘要A photometric survey of near-Earth asteroids (NEAs) was conducted from 2012 through 2014 at Lulin Observatory, Taiwan. The measurements of the color indices, B-V, V-R, and V-I allow the classification of 92 NEAs into seven taxonomic types. Of these samples, 39 of them are new classifications. The fractional abundances of these taxonomic complexes are: A similar to 3%, C similar to 6.5%, D similar to 8%, Q similar to 26%, S similar to 37%, V similar to 6.5%, and X similar to 13%. This result is similar to that of Thomas et al. (2011) even though the populations of the D- and X-complex with low albedos are under-represented. The ratio of the C-cluster to the total population of S + C clusters are 0.22 +/- 0.06 for H <= 17.0 and 0.31 +/- 0.06 for H > 17.0, indicating a slightly higher fraction of dark-object population with sizes smaller than 1 Ian.
项目资助者Macau Science and Technology Development Fund: MSAR(017/2014/A1, 0426) ; MOST(MOST 104-2119-M-008-024) ; Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences(OP201306)
语种英语
学科领域天文学
文章类型Article
ISSN0032-0633
URL查看原文
WOS记录号WOS:000427341100010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SPECTROSCOPIC SURVEY ; MAIN-BELT ; APPROACHING ASTEROIDS ; SPECTRAL PROPERTIES ; FRESH SURFACES ; RA-SHALOM ; SPIN-UP ; OBJECTS ; ENCOUNTERS ; POPULATION
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12295
专题中国科学院天体结构与演化重点实验室
通讯作者Ip, Wing-Huen(Macau Univ Sci & Technol, Space Sci Inst, Macau Sar, Peoples R China)
作者单位1.Space Science Institute, Macau University of Science and Technology, Macau S.A.R., China
2.Institute of Astronomy, National Central University, Taoyuan, Taiwan
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Science, Kumming, Yunnan, China
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Lin, Chien-Hsien,Ip, Wing-Huen,Lin, Zhong-Yi,et al. Photometric survey and taxonomic identifications of 92 near-Earth asteroids[J]. PLANETARY AND SPACE SCIENCE,2018,152:116-135.
APA Lin, Chien-Hsien.,Ip, Wing-Huen.,Lin, Zhong-Yi.,Cheng, Yu-Chi.,Lin, Hsing-Wen.,...&Ip, Wing-Huen.(2018).Photometric survey and taxonomic identifications of 92 near-Earth asteroids.PLANETARY AND SPACE SCIENCE,152,116-135.
MLA Lin, Chien-Hsien,et al."Photometric survey and taxonomic identifications of 92 near-Earth asteroids".PLANETARY AND SPACE SCIENCE 152(2018):116-135.
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