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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
Source PublicationIAU Symposium Proceedings Series - ASTROMETRY AND ASTROPHYSICS IN THE GAIA SKY
2018
Volume1
IssueS330
Pages409-410
DOI10.1017/S1743921317006238
Author of SourceRecioBlanco, A; DeLaverny, P; Brown, AGA; Prusti, T
Contribution Rank第2完成单位
Indexed ByCPCI
Conference Name330th Symposium of the International-Astronomical-Union (IAU)
Conference Date2017-04-24
Conference PlaceNice, FRANCE
Conference SponsorInt 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
KeywordMethods: Observational Techniques: Image Processing Astrometry
Abstract

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.

Funding ProjectN/A
Funding OrganizationN/A
Language英语
Subject Area天文学 ; 天体测量学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeProceedings Paper
PublisherCAMBRIDGE UNIV PRESS
Publication PlaceTHE PITT BUILDING, TRUMPINGTON ST, CAMBRIDGE CB2 1RP, CAMBS, ENGLAND
ISBN978-1-10717-008-7
ISSN1743-9213
URL查看原文
WOS IDWOS:000454738700123
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
Citation statistics
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/18658
Collection其他
Corresponding AuthorPeng, Q. Y.
Affiliation1.Department of Computer Science, Jinan University, Guangzhou 510632, China
2.Yunnan Observatory, CAS, Kunming 650216, China
Recommended Citation
GB/T 7714
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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