Use Density-Based Spatial Clustering of Applications with Noise (DBSCAN) Algorithm to Identify Galaxy Cluster Members

Galaxies are important structures for studying the universe, and clusters are the physical environment of galaxies. Their study is of great significance for understanding the evolution of galaxies and the distribution of matter. Classification of galaxies into clusters is an urgent subject. How do w...

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Published inIOP conference series. Earth and environmental science Vol. 252; no. 4; pp. 42033 - 42037
Main Author Zhang, Mingrui
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 09.07.2019
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ISSN1755-1307
1755-1315
1755-1315
DOI10.1088/1755-1315/252/4/042033

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Abstract Galaxies are important structures for studying the universe, and clusters are the physical environment of galaxies. Their study is of great significance for understanding the evolution of galaxies and the distribution of matter. Classification of galaxies into clusters is an urgent subject. How do we classify some observed galaxy data points as clusters? How to ensure the correctness of classification? Based on the results of CoDECS numerical simulation and combining DBSCAN algorithm, this paper attempts to classify the data and compare and explain the results of the three methods. Then, based on the data of Abell 383 cluster, further comparison and analysis of the three methods were made. This research can be a basis on measuring new stars.
AbstractList Galaxies are important structures for studying the universe, and clusters are the physical environment of galaxies. Their study is of great significance for understanding the evolution of galaxies and the distribution of matter. Classification of galaxies into clusters is an urgent subject. How do we classify some observed galaxy data points as clusters? How to ensure the correctness of classification? Based on the results of CoDECS numerical simulation and combining DBSCAN algorithm, this paper attempts to classify the data and compare and explain the results of the three methods. Then, based on the data of Abell 383 cluster, further comparison and analysis of the three methods were made. This research can be a basis on measuring new stars.
Author Zhang, Mingrui
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CitedBy_id crossref_primary_10_3390_rs15020411
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Cites_doi 10.1142/S021988781460010X
10.1007/0-306-48096-4
10.1111/j.1365-2966.2012.20675.x
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Snippet Galaxies are important structures for studying the universe, and clusters are the physical environment of galaxies. Their study is of great significance for...
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SubjectTerms Algorithms
Classification
Clustering
Codec
Data points
Galactic clusters
Galactic evolution
Galaxy distribution
Mathematical models
Stars & galaxies
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Title Use Density-Based Spatial Clustering of Applications with Noise (DBSCAN) Algorithm to Identify Galaxy Cluster Members
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