Post-processing of galaxies due to major cluster mergers I. hints from galaxy colours and morphologies

K. Kelkar,Y. L. Jaffé, A. C. C. Lourenço, D. Pérez-Millán, J. Fritz,B. Vulcani,J. P. Crossett,B. Poggianti,A. Moretti

arXiv (Cornell University)（2023）

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摘要

Galaxy clusters, which underwent a recent ($\leq3$ Gyr) major merger, offer a harsher environment due to the global hydrodynamical disturbance and the merger-shock heated ICM. However, the aftermath of such extreme cluster interactions on the member galaxy properties is not very well constrained. We explore the integrated star formation properties of galaxies through galaxy colours, as well as morphology buildup in three nearby ($0.04更多

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关键词

galaxies,galaxy colours,major cluster mergers,morphologies,post-processing

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