862 citations · 9.7k across the 112 of their papers we have counts for
7 papers · 1 filter
The stellar halo of isolated central galaxies in the Hyper Suprime-Cam imaging survey
Wenting Wang, Jiaxin Han, Alessandro Sonnenfeld +14
We study the faint stellar halo of isolated central galaxies, by stacking galaxy images in the HSC survey and accounting for the residual sky background sampled with random points.…
Using the Modified Nearest Neighbor Method to Correct Fiber-collision Effects on Galaxy Clustering
Lei Yang, Yipeng Jing, Xiaohu Yang +1
Fiber collision is a persistent problem faced by modern spectroscopic galaxy surveys. In this work, we propose a new method to correct for this undesired effect, focusing on the cl…
CosmicGrowth Simulations---Cosmological simulations for structure growth studies
Y. P. Jing
I present a large set of high resolution simulations, called CosmicGrowth Simulations, which were generated with either 8.6 billion or 29 billion particles. As the nominal cosmolog…
Verifications of scaling relations useful for the intrinsic alignment self-calibration
Xian-guang Meng, Yu Yu, Pengjie Zhang +1
The galaxy intrinsic alignment (IA) is a major challenge of weak lensing cosmology. To alleviate this problem, Zhang (2010, MNRAS, 406, L95) proposed a self-calibration method, ind…
Accurate determination of halo velocity bias in simulations and its cosmological implications
Junde Chen, Pengjie Zhang, Yi Zheng +2
A long-standing issue in peculiar velocity cosmology is whether the halo/galaxy velocity bias at large scale. The resolution of this important issue must resort to high pre…
The multidimensional dependence of halo bias in the eye of a machine: a tale of halo structure, assembly and environment
Jiaxin Han, Yin Li, Yipeng Jing +3
We develop a novel approach in exploring the joint dependence of halo bias on multiple halo properties using Gaussian process regression. Using a CDM -body simulation, we car…