activity
20232026
most citedELG Spectroscopic Systematics Analysis of the DESI Data Release 1

17 citations · 56 across the 11 of their papers we have counts for

collaborators

12 papers

astro-ph.CO2026

Field-level inference of growth rate from DESI BGS galaxy and ZTF supernova simulations

Corentin Ravoux, Bastien Carreres, Julian Bautista +60

Galaxy peculiar velocities are a powerful probe of the growth rate of structure at low redshifts (), measured through the combination . These constraints are imp…

astro-ph.CO2026

Exploring non-Poisson satellite occupation in HOD models and its impact on 2- and 3-point galaxy clustering

Antoine Rocher

Understanding the connection between galaxies and dark matter halos is a central challenge in modern cosmology. The Halo Occupation Distribution (HOD) framework provides a widely u…

astro-ph.CO2025

4MOST Cosmology Redshift Survey (CRS): Clustering Properties of CRS Bright Galaxy and Luminous Red Galaxy Target Catalogues

Behnood Bandi, Antoine Rocher, Aurélien Verdier +6

The 4-metre Multi-Object Spectroscopic Telescope Cosmology Redshift Survey (4MOST CRS) will obtain 5.4 million spectroscopic redshifts over ~5700 deg^2 to map large-scale structure…

astro-ph.CO2025★ 4 cited

The 4MOST-Cosmology Redshift Survey: Target Selection of Bright Galaxies and Luminous Red Galaxies

Aurelien Verdier, Antoine Rocher, Behnood Bandi +7

The Cosmology Redshift Survey of the 4-metre Multi-Object Spectroscopic Telescope (4MOST-CRS) will provide redshift measurements of galaxies and quasars over 5700{\degsq} in the so…

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.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.CO2024

Impact of assembly bias on clustering plus weak lensing cosmological analysis

R. Paviot, A. Rocher, S. Codis +3

Analytical models of galaxy-halo connection such as the Halo Occupation Distribution (HOD) model have been widely used over the past decades as a means to intensively test perturba…

astro-ph.CO2023★ 5 cited

Unraveling emission line galaxy conformity at z~1 with DESI early data

Sihan Yuan, Risa H. Wechsler, Yunchong Wang +32

Emission line galaxies (ELGs) are now the preeminent tracers of large-scale structure at z>0.8 due to their high density and strong emission lines, which enable accurate redshift m…

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.CO2023★ 12 cited

Halo Occupation Distribution of Emission Line Galaxies: fitting method with Gaussian Processes

Antoine Rocher, Vanina Ruhlmann-Kleider, Etienne Burtin +1

The halo occupation distribution (HOD) framework is an empirical method to describe the connection between dark matter halos and galaxies, which is constrained by small scale clust…