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What is Weak Lensing Bias in Galaxy Clusters about?

This document summarizes a study that used simulated galaxy clusters from the Millennium Simulation to quantify the bias and scatter in masses (M200) and concentrations (c) derived from weak lensing observations. The study found: 1) A small (∼5%) but non-negligible negative median bias in both mass and concentration estimates. 2) Significant scatter (∼30% for concentration and ∼20% for mass) in the derived values compared to true values, increasing with decreasing cluster mass. 3) The mass-concentration

Author

EntropyPrinciple

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EN