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Precise CCD positions of Apophis in 2013
Wang, N.1,2; Peng, Q. Y.1,2; Zhang XL(张西亮)2,3; Zhang, Q. F.1,2; Li, Z.1,2; Meng, X. H.1,2; Wang, N (reprint author), Jinan Univ, Dept Comp Sci, Guangzhou 510632, Guangdong, Peoples R China.
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2015-12-21
卷号454期号:4页码:3805-3809
DOI10.1093/mnras/stv2236
产权排序第3完成单位
收录类别SCI
关键词Techniques: Image Processing Astrometry Minor Planets Asteroids: Individual: (99942) Apophis
摘要298 CCD observations during the year 2013 have been reduced to derive the precise positions of near-Earth asteroid (99942) Apophis. The observations were made by the 2.4-m telescope at Yunnan Observatory over 10 nights. The position and proper motion errors of the reference stars in the USNO CCD Astrograph Catalogue 4 (UCAC4) star catalogue are corrected by using the newest correction table provided by Farnocchia et al. The geometric distortion of the field of view is also derived from the unbiased star positions in UCAC4 and removed. The theoretical position of Apophis was retrieved from the Jet Propulsion Laboratory Horizons system. Our results show that the mean O-Cs (observed minus computed) are 0.016 and 0.034 arcsec in right ascension and declination, respectively. The dispersions of our observations are estimated at 0.041 and 0.045 arcsec in right ascension and declination, respectively.
项目资助者CAS ; People's Government of Yunnan Province ; National Natural Science Foundation of China(11273014,U1431227,11403008,11203070) ; Natural Science Foundation of Guangdong ; Science and Technology Innovation Funds for Universities of Department of education of Guangdong Province(2013KJCX0020) ; Fundamental Research Funds for the Central Universities
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0035-8711
URL查看原文
WOS记录号WOS:000368001600039
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SKY SURVEY 2MASS ; GEOMETRIC DISTORTION ; CATALOG ; YARKOVSKY
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9404
专题丽江天文观测站(南方基地)
通讯作者Wang, N (reprint author), Jinan Univ, Dept Comp Sci, Guangzhou 510632, Guangdong, Peoples R China.
作者单位1.Department of Computer Science, Jinan University, Guangzhou 510632, China
2.Sino-French Joint Laboratory for Astrometry, Dynamics and Space Science, Jinan University, Guangzhou 510632, China
3.Yunnan observatories, Chinese Academy of Sciences (CAS), PO Box 110, Kunming 650011, China
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Wang, N.,Peng, Q. Y.,Zhang XL,et al. Precise CCD positions of Apophis in 2013[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2015,454(4):3805-3809.
APA Wang, N..,Peng, Q. Y..,张西亮.,Zhang, Q. F..,Li, Z..,...&Wang, N .(2015).Precise CCD positions of Apophis in 2013.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,454(4),3805-3809.
MLA Wang, N.,et al."Precise CCD positions of Apophis in 2013".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 454.4(2015):3805-3809.
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