activity
20162026
most citedOverview of the Instrumentation for the Dark Energy Spectroscopic Instrument

465 citations · 799 across the 17 of their papers we have counts for

collaborators

17 papers

astro-ph.GA2026

PAC in DESI. II. Galaxy-halo connection into the frontier

Kun Xu, Carlos S. Frenk, Y. P. Jing +37

Understanding dwarf galaxy formation is crucial for testing dark matter models and reionization physics. However, constructing stellar-mass complete spectroscopic samples at low ma…

astro-ph.CO2025

Cosmological Simulations with Massive Neutrinos: Efficiency and Accuracy

Bing-Hang Chen, Jun-Jie Zhao, Hao-Ran Yu +3

Constraining neutrino mass through cosmological observations relies on precise simulations to calibrate their effects on large scale structure, while these simulations must overcom…

astro-ph.GA2025★ 2 cited

Describing the Nonuniversal Galaxy Merger Timescales in IllustrisTNG: Effects of Host Halo Mass, Baryons, and Sample Selection

Kun Xu, Y. P. Jing

Galaxy merger timescales are crucial for understanding and modeling galaxy formation in our hierarchically structured Universe. However, previous studies have reported widely varyi…

astro-ph.GA2025★ 1 cited

Photometric Objects Around Cosmic Webs (PAC). VII. Disentangling Mass and Environment Quenching with the Aid of Galaxy-halo Connection in Simulations

Yun Zheng, Kun Xu, Donghai Zhao +4

Star formation quenching in galaxies is a critical process in galaxy formation. It is widely believed that the quenching process is dominated by the mass of galaxies and/or their e…

astro-ph.GA2024

Deep extragalactic HI survey of the COSMOS field with FAST

Hengxing Pan, Matt J. Jarvis, Ming Zhu +9

We present a deep HI survey at L-band conducted with the Five-hundred-meter Aperture Spherical radio Telescope (FAST) over the COSMOS field. This survey is strategically designed t…

astro-ph.CO2024★ 8 cited

Accurate Measurement of the Lensing Magnification by BOSS CMASS Galaxies and Its Implications for Cosmology and Dark Matter

Kun Xu, Y. P. Jing, Hongyu Gao +2

Magnification serves as an independent and complementary gravitational lensing measurement to shear. We develop a novel method to achieve an accurate and robust magnification measu…

astro-ph.GA2024★ 8 cited

PAC.V. The Roles of Mass and Environment in the Quenching of Galaxies

Yun Zheng, Kun Xu, Y. P. Jing +6

The roles that mass and environment play in the galaxy quenching are still under debate. Leveraging the Photometric objects Around Cosmic webs (PAC) method, we analyze the excess s…

astro-ph.GA2024★ 1 cited

Photometric Objects Around Cosmic Webs (PAC). VI. High Satellite Fraction of Quasars

Shanquan Gui, Kun Xu, Y. P. Jing +2

The Photometric objects Around Cosmic webs (PAC) approach developed in Xu et al. (2022b) has the advantage of making full use of spectroscopic and deeper photometric surveys. With…

astro-ph.GA2023★ 12 cited

Toward a Physical Understanding of Galaxy-Halo Alignment

Kun Xu, Y. P. Jing, Donghai Zhao

We investigate the alignment of galaxy and halo orientations using the TNG300-1 hydrodynamical simulation. Our analysis reveals that the distribution of the 2D misalignment angle $…

astro-ph.CO2023★ 22 cited

Physical evolution of dark matter halo around the depletion boundary

Hongyu Gao, Jiaxin Han, Matthew Fong +2

We investigate the build-up of the halo profile out to large scale in a cosmological simulation, focusing on the roles played by the recently proposed depletion radii. We explicitl…

astro-ph.GA2022★ 15 cited

Photometric Objects Around Cosmic Webs (PAC) Delineated in a Spectroscopic Survey. IV. High Precision Constraints on the Evolution of Stellar-Halo Mass Relation at Redshift

Kun Xu, Y. P. Jing, Yun Zheng +1

Taking advantage of the Photometric objects Around Cosmic webs (PAC) method developed in Paper I, we measure the excess surface density of photometric objects…

astro-ph.IM2022★ 465 cited

Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument

B. Abareshi, J. Aguilar, S. Ahlen +264

The Dark Energy Spectroscopic Instrument (DESI) has embarked on an ambitious five-year survey to explore the nature of dark energy with spectroscopy of 40 million galaxies and quas…

astro-ph.GA2021★ 23 cited

Construct the emission line galaxy-host halo connection through auto and cross correlations

Hongyu Gao, Y. P. Jing, Yun Zheng +1

We investigate the [O\,II] emission line galaxy (ELG)-host halo connection via auto and cross correlations, and propose a concise and effective method to populate ELGs in dark matt…

astro-ph.GA2019★ 15 cited

A Versatile and Accurate Method for Halo Mass Determination from Phase-Space Distribution of Satellite Galaxies

Zhao-Zhou Li, Yong-Zhong Qian, Jiaxin Han +2

We propose a versatile and accurate method to estimate the halo mass and concentration from the kinematics of satellite galaxies. We construct the 6D phase-space distribution funct…

astro-ph.GA2017★ 28 cited

ELUCID V. Lighting dark matter halos with galaxies

Xiaohu Yang, Youcai Zhang, Huiyuan Wang +16

In a recent study, using the distribution of galaxies in the north galactic pole of SDSS DR7 region enclosed in a 500$\mpch$ box, we carried out our ELUCID simulation (Wang et al.…

astro-ph.GA2017★ 57 cited

Constraining the HI-Halo Mass Relation From Galaxy Clustering

Hong Guo, Cheng Li, Zheng Zheng +5

We study the dependence of galaxy clustering on atomic gas mass using a sample of 16,000 galaxies with redshift in the range of and HI mass of $M_{\rm HI}>10^…

astro-ph.CO2016★ 142 cited

ELUCID - Exploring the Local Universe with reConstructed Initial Density field III: Constrained Simulation in the SDSS Volume

Huiyuan Wang, H. J. Mo, Xiaohu Yang +7

A method we developed recently for the reconstruction of the initial density field in the nearby Universe is applied to the Sloan Digital Sky Survey Data Release 7. A high-resoluti…