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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.
Source PublicationEARTH MOON AND PLANETS
2010-07
Volume106Issue:2-4Pages:97-104
DOI10.1007/s11038-010-9350-7
Contribution Rank第1完成单位
Indexed BySCI ; EI
KeywordAsteroids De-correlation Methods Rotation Periods
AbstractThe 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.
Funding OrganizationNatural Science Foundation of China (NSFC) [10673027, 10873031]
Language英语
Subject AreaAstronomy & Astrophysics ; Geology
SubtypeArticle
ISSN0167-9295
URL查看原文
Archive Date2010-08-09
WOS IDWOS:000279587100002
WOS Research AreaAstronomy & Astrophysics ; Geology
WOS SubjectAstronomy & Astrophysics ; Geosciences, Multidisciplinary
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6788
Collection系外行星研究组
Corresponding AuthorWang, XB (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming, Peoples R China.
AffiliationNational Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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