51 citations · 127 across the 9 of their papers we have counts for
7 papers · 1 filter
Towards Quantifying the Impact of Triaxiality on Optical Signatures of Galaxy Clusters: Weak Lensing and Galaxy Distributions
Shenming Fu, Yuanyuan Zhang, Camille Avestruz +1
We present observational evidence of the impact of triaxiality on radial profiles that extend to 40 Mpc from galaxy cluster centres in optical measurements. We perform a stacked pr…
The Effect of Splashback on Weak Lensing Mass Estimates of Galaxy Clusters and Groups
Yuanyuan Zhang, Susmita Adhikari, Matteo Costanzi +3
The splashback radius of a dark matter halo, which corresponds to the first apocenter radius reached by infalling matter and substructures, has been detected around galaxy clusters…
Report of the Topical Group on Dark Energy and Cosmic Acceleration: Complementarity of Probes and New Facilities for Snowmass 2021
Brenna Flaugher, Vivian Miranda, David J. Schlegel +27
The mechanism(s) driving the early- and late-time accelerated expansion of the Universe represent one of the most compelling mysteries in fundamental physics today. The path to und…
Estimating Cosmological Constraints from Galaxy Cluster Abundance using Simulation-Based Inference
Moonzarin Reza, Yuanyuan Zhang, Brian Nord +3
Inferring the values and uncertainties of cosmological parameters in a cosmology model is of paramount importance for modern cosmic observations. In this paper, we use the simulati…
Optical selection bias and projection effects in stacked galaxy cluster weak lensing
Hao-Yi Wu, Matteo Costanzi, Chun-Hao To +16
Cosmological constraints from current and upcoming galaxy cluster surveys are limited by the accuracy of cluster mass calibration. In particular, optically identified galaxy cluste…
Incorporating galaxy cluster triaxiality in stacked cluster weak lensing analyses
Zhuowen Zhang, Hao-Yi Wu, Yuanyuan Zhang +10
Counts of galaxy clusters offer a high-precision probe of cosmology, but control of systematic errors will determine the accuracy of this measurement. Using Buzzard simulations, we…