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A Splashback-like Feature of Central Galaxies in Galaxy Clusters

Zhang, Yuanyuan et al.
arXiv (All) · Papers
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astrophysics-of-galaxiescosmology-and-nongalactic-astrophysics
We investigate a splashback-like feature in the outer region of central galaxies (CGs) in clusters. This feature is detected as a "dip" in the radial slope of the CG surface brightness, derived through the stacking of Dark Energy Survey data of over 4000 galaxy clusters in the redshift range of 0.2
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