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The Rotational Periods of Three C-Type Asteroids 431, 521 and 524
Wang XB(王晓彬); Gu SH(顾盛宏); Li XJ(李雪婧); Wang, XB (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming, Peoples R China.
发表期刊EARTH MOON AND PLANETS
2010-07
卷号106期号:2-4页码:97-104
DOI10.1007/s11038-010-9350-7
产权排序第1完成单位
收录类别SCI ; EI
关键词Asteroids De-correlation Methods Rotation Periods
摘要The determination for asteroids' spin parameters is very important for the physical study of asteroids and their evolution. Sometimes, the low amplitude of light curves and kinds of systematic errors in photometric data prevent the determination of the asteroids' spin period. To solve such a problem, we introduced the de-correlation methods developed in searching for exoplanetary transit signal into the asteroid's data reduction in this paper. By applying the principle of Collier Cameron (MNRAS 373:799-810, 2006) and Tamuz et al. (MNRAS 356:1466-1470, 2005)'s, we simulated the systematic effects in photometric data of asteroid, and removed those simulated errors from photometric data. Therefore the S/N of intrinsic signals of three selected asteroids are enhanced significantly. As results, we derived the new spin periods of 18.821 +/- A 0.011 h, 28.202 +/- A +0.071 h for (431) and (521) respectively, and refined the spin period of (524) as 14.172 +/- A 0.016 h.
项目资助者Natural Science Foundation of China (NSFC) [10673027, 10873031]
语种英语
学科领域Astronomy & Astrophysics ; Geology
文章类型Article
ISSN0167-9295
URL查看原文
归档日期2010-08-09
WOS记录号WOS:000279587100002
WOS研究方向Astronomy & Astrophysics ; Geology
WOS类目Astronomy & Astrophysics ; Geosciences, Multidisciplinary
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6788
专题系外行星研究组
通讯作者Wang, XB (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming, Peoples R China.
作者单位National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming, China
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Wang XB,Gu SH,Li XJ,et al. The Rotational Periods of Three C-Type Asteroids 431, 521 and 524[J]. EARTH MOON AND PLANETS,2010,106(2-4):97-104.
APA Wang XB,Gu SH,Li XJ,&Wang, XB .(2010).The Rotational Periods of Three C-Type Asteroids 431, 521 and 524.EARTH MOON AND PLANETS,106(2-4),97-104.
MLA Wang XB,et al."The Rotational Periods of Three C-Type Asteroids 431, 521 and 524".EARTH MOON AND PLANETS 106.2-4(2010):97-104.
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