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Precise CCD positions of Triton in 2014-2016 from the Gaia DR1
Wang, N.1; Peng, Q. Y.1; Peng HW(彭焕文)1,2; Zhang, Q. F.1
会议录名称IAU Symposium Proceedings Series - ASTROMETRY AND ASTROPHYSICS IN THE GAIA SKY
2018
卷号1
期号S330
页码409-410
DOI10.1017/S1743921317006238
会议录编者/会议主办者RecioBlanco, A; DeLaverny, P; Brown, AGA; Prusti, T
产权排序第2完成单位
收录类别CPCI
会议名称330th Symposium of the International-Astronomical-Union (IAU)
会议日期2017-04-24
会议地点Nice, FRANCE
会议赞助商Int Astron Union; Ctr Natl Etudes Spatiales; European Space Agcy; AIRBUS Co; Univ Cote Azur; Observatoire Cote Azur; Univ Nice Sophia Antipolis; Soc Francaise Astronomie Astrophysique; INSU CNRS
关键词Methods: Observational Techniques: Image Processing Astrometry
摘要

755 CCD observations during the years 2014-2016 have been reduced to derive the precise positions of Triton, the first satellite of Neptune. The observations were made by the 1 m telescope at Yunnan Observatory over 15 nights during the years 2014-2016. The theoretical position of Triton was retrieved from the Jet Propulsion Laboratory Horizons system. Our results show that when the newest Gaia catalogue (Gaia DR1) is referred to the mean O-Cs (observed minus computed) residuals are about 0.042 and -0.006 arcsec, the dispersions are 0.012 and 0.012 arcsec in right ascension and declination, respectively. The dispersions are improved very significantly when the Gaia DR1 is referred to. However, the agreement in right ascension is not so good as that in declination, the reason might come from the uncertainty of planet ephemeris. More observations are needed to confirm this.

资助项目N/A
项目资助者N/A
语种英语
学科领域天文学 ; 天体测量学
学科门类理学 ; 理学::天文学
文章类型Proceedings Paper
出版者CAMBRIDGE UNIV PRESS
出版地THE PITT BUILDING, TRUMPINGTON ST, CAMBRIDGE CB2 1RP, CAMBS, ENGLAND
ISBN号978-1-10717-008-7
ISSN号1743-9213
URL查看原文
WOS记录号WOS:000454738700123
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/18658
专题其他
通讯作者Peng, Q. Y.
作者单位1.Department of Computer Science, Jinan University, Guangzhou 510632, China
2.Yunnan Observatory, CAS, Kunming 650216, China
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Wang, N.,Peng, Q. Y.,Peng HW,et al. Precise CCD positions of Triton in 2014-2016 from the Gaia DR1[C]//RecioBlanco, A; DeLaverny, P; Brown, AGA; Prusti, T. THE PITT BUILDING, TRUMPINGTON ST, CAMBRIDGE CB2 1RP, CAMBS, ENGLAND:CAMBRIDGE UNIV PRESS,2018:409-410.
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