The impact of a major cluster merger on galaxy evolution in MACS J0025.4−1225

C.-J. Ma,Harald Ebeling,Philip J Marshall,Tim Schrabback

Monthly Notices of the Royal Astronomical Society（2010）

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摘要

We present results of an extensive morphological, spectroscopic and photometric study of the galaxy population of MACS J0025.4−1225 (z= 0.586), a major cluster merger with clear segregation of dark and luminous matter, to examine the impact of mergers on galaxy evolution. Based on 436 galaxy spectra obtained with Keck DEep Imaging Multi-Object Spectrograph (DEIMOS), we identified 212 cluster membe...

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关键词

galaxies: clusters: individual: MACS J0025.4−1225,galaxies: elliptical and lenticular,galaxies: evolution,galaxies: starburst

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