activity
20212026
most citedThe completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological implications from multi-tracer BAO analysis with galaxies and voids

58 citations · 174 across the 15 of their papers we have counts for

collaborators

15 papers

astro-ph.CO2026

How I stop worrying about non-universality and : Constraining local with priors from HOD posteriors

Jiaxi Yu, Nhat-Minh Nguyen

Local primordial non-Gaussianity (local PNG) induces a scale-dependent contribution to galaxy clustering proportional to , where is the local PNG ampl…

astro-ph.CO2025★ 1 cited

The Impact of Spectroscopic Redshift Errors on Cosmological Measurements

Shengyu He, Jiaxi Yu, Antoine Rocher +5

Spectroscopic redshift errors, including redshift uncertainty and catastrophic failures, can bias cosmological measurements from galaxy redshift surveys at sub-percent level. In th…

astro-ph.CO2025

DESI DR1 Lyα 1D power spectrum: The Fast Fourier Transform estimator measurement

Corentin Ravoux, Marie-Lynn Abdul-Karim, Jean-Marc Le Goff +64

We present the one-dimensional Lyman- forest power spectrum measurement derived from the data release 1 (DR1) of the Dark Energy Spectroscopic Instrument (DESI). The measurement…

astro-ph.GA2025

Luminosity and stellar mass functions of faint photometric satellites around spectroscopic central galaxies from DESI Year-1 Bright Galaxy Survey

Wenting Wang, Xiaohu Yang, Yipeng Jing +47

We measure the luminosity functions (LFs) and stellar mass functions (SMFs) of photometric satellite galaxies around spectroscopically identified isolated central galaxies (ICGs).…

astro-ph.CO2024★ 5 cited

MUltiplexed Survey Telescope (MUST) Science White Paper I: Overview of Large-Scale Structure Cosmology in the Era of Stage-V Spectroscopic Surveys

Cheng Zhao, Song Huang, Mengfan He +41

The MUltiplexed Survey Telescope (MUST) is a 6.5-meter telescope under development. Dedicated to highly-multiplexed, wide-field spectroscopic surveys, MUST observes over 20,000 tar…

astro-ph.CO2024★ 17 cited

ELG Spectroscopic Systematics Analysis of the DESI Data Release 1

Jiaxi Yu, Ashley J. Ross, Antoine Rocher +58

Dark Energy Spectroscopic Instrument (DESI) uses more than 2.4 million Emission Line Galaxies (ELGs) for 3D large-scale structure (LSS) analyses in its Data Release 1 (DR1). Such l…

astro-ph.IM2024★ 12 cited

The Wide-field Spectroscopic Telescope (WST) Science White Paper

Vincenzo Mainieri, Richard I. Anderson, Jarle Brinchmann +214

The Wide-field Spectroscopic Telescope (WST) is proposed as a new facility dedicated to the efficient delivery of spectroscopic surveys. This white paper summarises the initial con…

astro-ph.GA2023

The DESI One-Percent survey: constructing galaxy-halo connections for ELGs and LRGs using auto and cross correlations

Hongyu Gao, Y. P. Jing, Shanquan Gui +31

In the current Dark Energy Spectroscopic Instrument (DESI) survey, emission line galaxies (ELGs) and luminous red galaxies (LRGs) are essential for mapping the dark matter distribu…

astro-ph.CO2023★ 9 cited

The DESI One-Percent Survey: Exploring the Halo Occupation Distribution of Luminous Red Galaxies and Quasi-Stellar Objects with AbacusSummit

Sihan Yuan, Hanyu Zhang, Ashley J. Ross +39

We present the first comprehensive Halo Occupation Distribution (HOD) analysis of the DESI One-Percent survey Luminous Red Galaxy (LRG) and Quasi-Stellar Object (QSO) samples. We c…

astro-ph.CO2023

The DESI One-Percent Survey: Exploring A Generalized SHAM for Multiple Tracers with the UNIT Simulation

Jiaxi Yu, Cheng Zhao, Violeta Gonzalez-Perez +40

We perform SubHalo Abundance Matching (SHAM) studies on UNIT simulations with \{\}-SHAM and \{\}-SHAM. They are designe…

astro-ph.IM2023★ 57 cited

Performance of the Quasar Spectral Templates for the Dark Energy Spectroscopic Instrument

Allyson Brodzeller, Kyle Dawson, Stephen Bailey +44

Millions of quasar spectra will be collected by the Dark Energy Spectroscopic Instrument (DESI), leading to a four-fold increase in the number of known quasars. High accuracy quasa…

astro-ph.CO2023★ 10 cited

Cosmological Fisher forecasts for next-generation spectroscopic surveys

William d'Assignies D., Cheng Zhao, Jiaxi Yu +1

Next-generation spectroscopic surveys such as the MegaMapper, MUltiplexed Survey Telescope (MUST), MaunaKea Spectroscopic Explorer (MSE), and Wide Spectroscopic Telescope (WST) are…

astro-ph.CO2022★ 5 cited

Void Lensing in Cubic Galileon Gravity

Chen Su, Huanyuan Shan, Jiajun Zhang +6

Weak lensing studies via cosmic voids are a promising probe of Modified Gravity (MG). Excess surface mass density (ESD) is widely used as a lensing statistic in weak lensing resear…

astro-ph.CO2022

Model BOSS & eBOSS Luminous Red Galaxies at 0.2 < z < 1.0 using SubHalo Abundance Matching with 3 parameters

Jiaxi Yu, Cheng Zhao, Chia-Hsun Chuang +9

SubHalo Abundance Matching (SHAM) is an empirical method for constructing galaxy catalogues based on high-resolution -body simulations. We apply SHAM on the UNIT simulation to s…

astro-ph.CO2021★ 58 cited

The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological implications from multi-tracer BAO analysis with galaxies and voids

Cheng Zhao, Andrei Variu, Mengfan He +15

We construct cosmic void catalogues with the DIVE void finder upon SDSS BOSS DR12 and eBOSS DR16 galaxy samples with BAO reconstruction applied, and perform a joint BAO analysis us…