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Probabilities of perception and population index in visual observations of meteor showers
Wu GJ(吴光节)1; Li, GY2,3; Wu, GJ (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊EARTH MOON AND PLANETS
2003-09
卷号93期号:1页码:1-18
DOI10.1023/B:MOON.0000034494.59342.f4
产权排序第1完成单位
收录类别SCI ; EI
关键词Meteor Shower Population Index Probabilities Of Perception
摘要An analytic function of the probabilities of perception is given first time in this paper. Based on this function it is more convenient for calculation and analysis than using listed data. It is easy to see that in any case in the distribution of visual observed number of meteors, the integrate number in subsection of Deltam greater than or equal to Deltam(peak) is much more great than that in subsection of Deltam < &UDelta;m(peak). In virtue of the advantage of this function, several methods of estimating and calculating the popular index r have been put forward. The methods of peak-magnitude-difference and Full Width at Half Maximum are easy and convenient to use, could quickly estimate a rather good value of r. For observations with enough meteors and enough magnitude subsections, the Least Square Fitting is often used to give a good result of r. The iterative method, which is suggested first time in this paper, can also give a similar precision of r. In addition, it can be used in only two magnitude subsections. Therefore, it may be suitable for analyzing variation of r along magnitude classes. However, the best method might be the mean-magnitude-difference. Of cause, crossing use of several methods may eliminate the effect of the random error in observations largely.
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2004-09-19
WOS记录号WOS:000222604100001
WOS研究方向Astronomy & Astrophysics ; Geology
WOS类目Astronomy & Astrophysics ; Geosciences, Multidisciplinary
引用统计
被引频次:4[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/114a53/4155
专题其他
通讯作者Wu, GJ (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming, 650011, China
2.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210008, P. R. China
3.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, P. R. China
第一作者单位中国科学院云南天文台
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Wu GJ,Li, GY,Wu, GJ . Probabilities of perception and population index in visual observations of meteor showers[J]. EARTH MOON AND PLANETS,2003,93(1):1-18.
APA Wu GJ,Li, GY,&Wu, GJ .(2003).Probabilities of perception and population index in visual observations of meteor showers.EARTH MOON AND PLANETS,93(1),1-18.
MLA Wu GJ,et al."Probabilities of perception and population index in visual observations of meteor showers".EARTH MOON AND PLANETS 93.1(2003):1-18.
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