The Observed Evolution of the Stellar Mass-Halo Mass Relation for Brightest Central Galaxies
We quantify evolution in the cluster-scale stellar mass-halo mass (SMHM) relation's parameters using 2323 clusters and brightest central galaxies (BCGs) over the redshift range 0.03 ≤ z ≤ 0.60. The precision on the inferred SMHM parameters is improved by including the magnitude gap (m gap) between the BCG and fourth-brightest cluster member (M14)
Golden-Marx, Jesse B. et al.
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2022