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应用Gaia DR1的木卫六天体测量试验观测
Alternative TitleExperimental Astrometry of Himalia using Gaia DR1
彭焕文1,2,3; 彭青玉2; 王娜2
Source Publication天文研究与技术(Astronomical Research & Technology)
Contribution Rank第1完成单位
Indexed ByCSCD
Keyword天体测量 木卫六 Gaia Dr1 星表

木卫六是木星最大的一颗不规则天然卫星,为了获得它的高精度观测位置,天体测量归算过程中的各方面都需要考虑到,其中特别重要的一部分就是参考星表的选择。文中应用了最新公布的星表Gaia Data Release 1(Gaia DR1),同时也采用了UCAC4星表来进行比较。对2015年于云南天文台获得的185个木卫六的观测资料进行了处理和归算,结果显示采用Gaia DR1星表的木卫六的位置测量精度在赤经和赤纬两个方向上都约为0.02角秒,比采用UCAC4的结果有显著提升。

Other Abstract

Himalia is the largest member of Jovian irregular satellites. In order to obtain its high-precision observed positions, all the astrometric effects in data reduction should be taken into account, especially for the star catalogue used. In this paper, the newly published star catalogue Gaia Data Release 1 (Gaia DR1) was used to math reference stars in all CCD frames. In order to make comparisons, the catalogue UCAC4 was also used in data reduction. A total of 185 CCD observations of Himalia were processed. Our results showed that the positional precision of Himalia is estimated at about 0.02" in both right ascension and declination, after catalogue Gaia DR1 was used. This precision is significantly improved than the results by using catalogue UCAC4.

Funding Project国家自然科学基金[U1431227, 11273014]
Funding Organization国家自然科学基金[U1431227, 11273014]
Subject Area天文学 ; 天体测量学
MOST Discipline Catalogue理学 ; 理学::天文学
Citation statistics
Document Type期刊论文
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
彭焕文,彭青玉,王娜. 应用Gaia DR1的木卫六天体测量试验观测[J]. 天文研究与技术(Astronomical Research & Technology),2017,14(3):317-321.
APA 彭焕文,彭青玉,&王娜.(2017).应用Gaia DR1的木卫六天体测量试验观测.天文研究与技术(Astronomical Research & Technology),14(3),317-321.
MLA 彭焕文,et al."应用Gaia DR1的木卫六天体测量试验观测".天文研究与技术(Astronomical Research & Technology) 14.3(2017):317-321.
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