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Title:Hidden periodicity in Stripe 82 with Saraswati supercluster—a fractal analysis
Authors:ID Raj, Vimal (Author)
ID Swapna, Mohanachandran Nair Sindhu (Author)
ID Sankararaman, Sankaranarayana Iyer (Author)
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Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:The manuscript attempts to explore the periodicity in the distribution of galaxies in the recently reported Saraswati supercluster and the Stripe 82 region containing it as an example. The report of 120 Mpc periodicity in the Abell galaxy clusters by power spectrum analysis is the motivation behind the study. The power spectral analysis across the central part of the Stripe 82 region shows a periodic variation of 3.09° or 71 Mpc in fractal dimension whereas an average angular periodicity of 3.45° or 94 Mpc is observed across the Stripe 82 region. This refers to the periodicity of complexity or cluster density of galaxy distribution. The texture of the distribution pattern understood through lacunarity analysis indicates a near symmetric distribution. Fractal dimensions like box-counting dimension, information dimension and correlation dimension are also found through multifractal analysis. While the information dimension tells about the distribution density of galactic points, the correlation dimension details the distribution of galaxies in the neighbourhood
Keywords:galaxy distribution, fractal analysis, multifractals, lacunarity, Saraswati supercluster, Stripe 82
Year of publishing:2021
Number of pages:str. 1-7
Numbering:Vol. 73, no. 1
PID:20.500.12556/RUNG-7465 New window
COBISS.SI-ID:113768451 New window
ISSN on article:0253-6102
DOI:10.1088/1572-9494/abc3ab New window
Publication date in RUNG:04.07.2022
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Record is a part of a journal

Title:Communications in Theoretical Physics
Shortened title:Commum. Theor. Phys.
Publisher:International Academic Publishers
COBISS.SI-ID:515072793 New window