Consistent lensing and clustering in a low-S8 Universe with BOSS, DES Year 3, HSC Year 1, and KiDS-1000

A Amon, NC Robertson, H Miyatake… - Monthly Notices of …, 2023 - academic.oup.com
We evaluate the consistency between lensing and clustering based on measurements from
Baryon Oscillation Spectroscopic Survey combined with galaxy–galaxy lensing from Dark …

Stringent σ8 constraints from small-scale galaxy clustering using a hybrid MCMC + emulator framework

S Yuan, LH Garrison, DJ Eisenstein… - Monthly Notices of the …, 2022 - academic.oup.com
We present a novel simulation-based hybrid emulator approach that maximally derives
cosmological and Halo Occupation Distribution (HOD) information from non-linear galaxy …

A preferential growth channel for supermassive black holes in elliptical galaxies at z≲ 2

D Farrah, S Petty, KS Croker, G Tarlé… - The Astrophysical …, 2023 - iopscience.iop.org
The assembly of stellar and supermassive black hole (SMBH) mass in elliptical galaxies
since z∼ 1 can help to diagnose the origins of locally observed correlations between SMBH …

Semi-analytic forecasts for JWST – VI. Simulated light-cones and galaxy clustering predictions

LYA Yung, RS Somerville, HC Ferguson… - Monthly Notices of …, 2022 - academic.oup.com
In anticipation of the new era of high-redshift exploration marked by the commissioning of
the James Webb Space Telescope (JWST), we present two sets of galaxy catalogues that …

The DESI one-per cent survey: exploring the halo occupation distribution of luminous red galaxies and quasi-stellar objects with AbacusSummit

S Yuan, H Zhang, AJ Ross… - Monthly Notices of …, 2024 - academic.oup.com
We present the first comprehensive halo occupation distribution (HOD) analysis of the Dark
Energy Spectroscopic Instrument (DESI) One-Percent Survey luminous red galaxy (LRG) …

DESI 2024 III: Baryon Acoustic Oscillations from Galaxies and Quasars

AG Adame, J Aguilar, S Ahlen, S Alam… - arXiv preprint arXiv …, 2024 - arxiv.org
We present the DESI 2024 galaxy and quasar baryon acoustic oscillations (BAO)
measurements using over 5.7 million unique galaxy and quasar redshifts in the range 0.1< …

Extensive analysis of reconstruction algorithms for DESI 2024 baryon acoustic oscillations

X Chen, Z Ding, E Paillas, S Nadathur, H Seo… - arXiv preprint arXiv …, 2024 - arxiv.org
Reconstruction of the baryon acoustic oscillation (BAO) signal has been a standard
procedure in BAO analyses over the past decade and has helped to improve the BAO …

SimBIG: mock challenge for a forward modeling approach to galaxy clustering

CH Hahn, M Eickenberg, S Ho, J Hou… - … of Cosmology and …, 2023 - iopscience.iop.org
Abstract Simulation-Based Inference of Galaxies (SimBIG) is a forward modeling framework
for analyzing galaxy clustering using simulation-based inference. In this work, we present …

The DESI N-body Simulation Project – II. Suppressing sample variance with fast simulations

Z Ding, CH Chuang, Y Yu, LH Garrison… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT Dark Energy Spectroscopic Instrument (DESI) will construct a large and precise
three-dimensional map of our Universe. The survey effective volume reaches. It is a great …

HOD-Dependent Systematics for Luminous Red Galaxies in the DESI 2024 BAO Analysis

J Mena-Fernández, C Garcia-Quintero, S Yuan… - arXiv preprint arXiv …, 2024 - arxiv.org
In this paper, we present the estimation of systematics related to the halo occupation
distribution (HOD) modeling in the baryon acoustic oscillations (BAO) distance …