Репозитарій ОНУ імені І.І.Мечникова

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Galaxy Cluster Mergers: the use of the computer modeling
(Одеський національний університет імені І. І. Мечникова, 2023) Berkovskyi, M.; Panko, Olena O.; Miroshnik, N.; Панько, Олена Олексіївна
We show the possibilities of the methods of computer modeling of the galaxy cluster merger process with diﬀerent initial parameters for the investigation of the features of the clusters after colliding. Weconsideredthegalaxyclustersasevolvingobjects including through collisions. Computer modeling of galaxy cluster mergers and comparing its results with observational data makes it possible to determine the evolutionary status of real clusters with complex internal structures. Within the study, we analyzed in detail a series of models of the galaxy clusters’ merger consequences by ZuHone under diﬀerent initial conditions like mass ratio, initial collision parameter, or plasma coeﬃcient β. The considered time intervals were from 0 to 4.8 billion years, from 0 to 6 billion years, and from 0 to 10 billion years, depending on the initial conditions. Basedontheimagesofthesimulatedgalaxyclusters, maps of the distribution of the total mass density and X-ray radiation were created and compared with observations. We showed a good perspective to use this catalog for studying galaxy clusters having compound inner structure.