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New precise astrometric positions of Himalia in 2016-2018 based on Gaia DR2

文献类型：期刊论文

作者Yan, D.5; Qiao, R. C.4; Yu, Y.2,3; Cheng, X.4; Zhang, H. Y.1; Lan, Z. G.5; Yang, B. P.5; Luo, H.3
刊名PLANETARY AND SPACE SCIENCE
出版日期2019-12-01
卷号179页码:4
ISSN号0032-0633
关键词Astrometry Planets and satellites: general Methods: observational
DOI10.1016/j.pss.2019.104712
英文摘要Himalia is the largest irregular satellite of Jupiter. A total of 267 new observed positions of Himalia in the period 2016-2018 were collected by the 1.0 m telescopes at Yunnan Astronomical Observatory during 10 nights. Thanks to the high-quality reference catalogue Gaia DR2 and suitable processing methods for images (ie. image enhancement technique), the precision of our new observations of Himalia is higher than those of the previous observations. We compared our observations to the best ephemerides of Himalia available now. This comparison has shown that our observations provide standard deviations of residuals better than 25 mas and mean residuals lower than 5 mas. The precision of our new observations reached the best level of ground-based astrometric observations of Himalia.
资助项目National Natural Science Foundation of China[11573029] ; National Natural Science Foundation of China[11703007] ; National Natural Science Foundation of China[11603029]
WOS研究方向Astronomy & Astrophysics
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000501403900006
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://210.72.145.45/handle/361003/9681]  
专题国家授时中心_高精度时间传递与精密测定轨研究室
通讯作者Yan, D.
作者单位1.Shanghai Univ Engn Sci, Sch Fundamental Studies, Shanghai 201620, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
4.Chinese Acad Sci, Natl Time Serv Ctr, Lintong 710600, Shaanxi, Peoples R China
5.Huang Gang Normal Univ, Sch Phys & Elect Informat, Huang Gang 438000, Peoples R China
推荐引用方式
GB/T 7714		 Yan, D.,Qiao, R. C.,Yu, Y.,et al. New precise astrometric positions of Himalia in 2016-2018 based on Gaia DR2[J]. PLANETARY AND SPACE SCIENCE,2019,179:4.
APA Yan, D..,Qiao, R. C..,Yu, Y..,Cheng, X..,Zhang, H. Y..,...&Luo, H..(2019).New precise astrometric positions of Himalia in 2016-2018 based on Gaia DR2.PLANETARY AND SPACE SCIENCE,179,4.
MLA Yan, D.,et al."New precise astrometric positions of Himalia in 2016-2018 based on Gaia DR2".PLANETARY AND SPACE SCIENCE 179(2019):4.

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来源：国家授时中心

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