| Virgo星系团内次结构的特征尺度 |
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| 引用本文： | 邵正义,赵君亮.Virgo星系团内次结构的特征尺度[J].中国天文和天体物理学报,1999(1). |
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| 作者姓名： | 邵正义 赵君亮 |
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| 作者单位： | 中国科学院上海天文台 |
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| 基金项目： | 国家自然科学基金,中科院重点基金,上海天文台青年实验室 |
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| 摘 要： | 在小波分析的基础上，用峰值计数法考察了Ｖｉｒｇｏ团天区的结构与次结构．在Ｖｉｒｇｏ团典型的双峰结构下面，发现还有１８０’和１２０’两个明显的次结构的特征尺度．该结果有力地支持了等级式的成团模式．与之对应的波长下的小波强度分布清楚地显示了Ｖｉｒｇｏ团丰富的次结构及其分布情况，从中还发现了两个新的较小的次结构。
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| 关 键 词： | 星系团，次结构，小波分析 |
Characteristic Scales of Substructrues in the Virgo Area |
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| SHAO Zheng-Yi,ZHAO Jun-Liang.Characteristic Scales of Substructrues in the Virgo Area[J].Chinese Journal of Astronomy and Astrophysics,1999(1). |
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| Authors: | SHAO Zheng-Yi ZHAO Jun-Liang |
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| Abstract: | In this paper,we present a peak number count method,based on wavelet transfor- mation,and use it to explore the structure and substructures in the Virgo area.It is found that, besides the two-humped structure, there are also quite a lot of small subclusters with characteristic scales of 180' and 120'. This result strongly supports the hierarchical cluster- ing model of structures. The wavelet coefficient map clearly shows these substructures and their distributions. Additionally,two new small subclusters are discovered. |
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| Keywords: | galaxy clusters - substructures - wavelet |
| 本文献已被 CNKI 等数据库收录！ |
