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Optical Substructure analysis of Galaxy Cluster Abell 2142
Yu Heng 1 * #,Liu Ang 2
1.Sapienza - Università di Roma,00185 Roma, Italy
2.Sapienza-Università di Roma，00185 Roma, Italy
*Correspondence author
#Submitted by
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Funding: Specialized Research Fund for the Doctoral Program of Higher Education of China （No.20130003120014）
Opened online:25 April 2017
Accepted by: none
Citation: Yu Heng,Liu Ang.Optical Substructure analysis of Galaxy Cluster Abell 2142[OL]. [25 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4725594
 
 
Galaxy cluster A2142 is a famous merging cluster. With X-ray telescope, its elongated morphology, sharp cold front, and in-falling group in the outskirt can be clearly seen. But without independent crosschecking method, its physical and dynamical properties are still hard to measure. We adopt the new hierarchical tree analysis method to explore its substructure with redshifts of its member galaxies. The substructures we find associate with its X-ray patterns very well. The complex dynamical status and the merging history of A2142 are revealed.
Keywords:Galaxy cluster: A2142; substructure; dynamical status; merging history
 
 
 

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