output
19952026
most citedThe clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample

3.1k citations

Showing 2024 · astro-ph.COShow all

32 papers · 2 filters

astro-ph.CO2024★ 1 cited

The imprint of cosmic voids from the DESI Legacy Survey DR9 LRGs in the Planck 2018 lensing map through spectroscopically calibrated mocks

S. Sartori, P. Vielzeuf, S. Escoffier +31

The cross-correlation of cosmic voids with the lensing convergence () map of the Cosmic Microwave Background (CMB) fluctuations provides a powerful tool to refine our understand…

astro-ph.CO2024

The DESI-Lensing Mock Challenge: large-scale cosmological analysis of 3x2-pt statistics

C. Blake, C. Garcia-Quintero, S. Ahlen +41

The current generation of large galaxy surveys will test the cosmological model by combining multiple types of observational probes. Realising the statistical promise of these new…

astro-ph.CO2024★ 10 cited

Constraints on primordial non-Gaussianity from the cross-correlation of DESI Luminous Red Galaxies and CMB lensing

J. R. Bermejo-Climent, R. Demina, A. Krolewski +47

We use the angular cross-correlation between a luminous red galaxy (LRG) sample from the Dark Energy Spectroscopic Instrument (DESI) Legacy Survey data release DR9 and the …

astro-ph.CO2024★ 187 cited

DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements

DESI Collaboration, A. G. Adame, J. Aguilar +210

We present cosmological results from the measurement of clustering of galaxy, quasar and Lyman- forest tracers from the first year of observations with the Dark Energy Spectrosc…

astro-ph.CO2024★ 81 cited

DESI 2024 II: Sample Definitions, Characteristics, and Two-point Clustering Statistics

DESI Collaboration, A. G. Adame, J. Aguilar +200

We present the samples of galaxies and quasars used for DESI 2024 cosmological analyses, drawn from the DESI Data Release 1 (DR1). We describe the construction of large-scale struc…

astro-ph.CO2024

A Sound Horizon-Free Measurement of in DESI 2024

E. A. Zaborowski, P. Taylor, K. Honscheid +53

The physical size of the sound horizon at recombination is a powerful source of information for early-time measurements of the Hubble constant , and many proposed solutions to…

astro-ph.CO2024

Measuring the Mean Free Path of HI Ionizing Photons at with DESI Y1 Quasars

Anning Gao, Jason X. Prochaska, Zheng Cai +31

The mean free path of ionizing photons () in the intergalactic medium (IGM) is a crucial quantity in modelling the ionization state of IGM and the extragalact…

astro-ph.CO2024★ 5 cited

Window convolution of the galaxy clustering bispectrum

Mike Shengbo Wang, Florian Beutler, J. Aguilar +25

In galaxy survey analysis, the observed clustering statistics do not directly match theoretical predictions but rather have been processed by a window function that arises from the…

astro-ph.CO2024★ 23 cited

Analytical and EZmock covariance validation for the DESI 2024 results

Daniel Forero-Sánchez, Michael Rashkovetskyi, Otávio Alves +44

The estimation of uncertainties in cosmological parameters is an important challenge in Large-Scale-Structure (LSS) analyses. For standard analyses such as Baryon Acoustic Oscillat…

astro-ph.CO2024★ 48 cited

Modified Gravity Constraints from the Full Shape Modeling of Clustering Measurements from DESI 2024

M. Ishak, J. Pan, R. Calderon +68

We present cosmological constraints on deviations from general relativity (GR) from the first-year of clustering observations from Dark Energy Spectroscopic Instrument (DESI) in co…

astro-ph.CO2024★ 4 cited

Exploring HOD-dependent systematics for the DESI 2024 Full-Shape galaxy clustering analysis

N. Findlay, S. Nadathur, W. J. Percival +39

We analyse the robustness of the DESI 2024 cosmological inference from the full shape of the galaxy power spectrum to uncertainties in the Halo Occupation Distribution (HOD) model…

astro-ph.CO2024★ 73 cited

DESI 2024 V: Full-Shape Galaxy Clustering from Galaxies and Quasars

A. G. Adame, J. Aguilar, S. Ahlen +195

We present the measurements and cosmological implications of the galaxy two-point clustering using over 4.7 million unique galaxy and quasar redshifts in the range divi…

astro-ph.CO2024★ 2 cited

ForestFlow: predicting the Lyman- forest clustering from linear to nonlinear scales

J. Chaves-Montero, L. Cabayol-Garcia, M. Lokken +31

On large scales, the Lyman- forest provides insights into the expansion history of the Universe, while on small scales, it imposes strict constraints on the growth history, the…

astro-ph.CO2024★ 19 cited

Measuring using DESI Legacy Imaging Surveys Emission-Line Galaxies and Planck CMB Lensing and the Impact of Dust on Parameter Inference

Tanveer Karim, Sukhdeep Singh, Mehdi Rezaie +39

Measuring the growth of structure is a powerful probe for studying the dark sector, especially in light of the tension between primary CMB anisotropy and low-redshift surveys…

astro-ph.CO2024★ 27 cited

DESI Peculiar Velocity Survey -- Fundamental Plane

Khaled Said, Cullan Howlett, Tamara Davis +52

The Dark Energy Spectroscopic Instrument (DESI) Peculiar Velocity Survey aims to measure the peculiar velocities of early and late type galaxies within the DESI footprint using bot…

astro-ph.CO2024★ 3 cited

Catalog-level blinding on the bispectrum for DESI-like galaxy surveys

S. Novell-Masot, H. Gil-Marín, L. Verde +28

We evaluate the performance of the catalog-level blind analysis technique (blinding) presented in Brieden et al. (2020) in the context of a fixed template power spectrum and bispec…

astro-ph.CO2024★ 7 cited

Litmus tests of the flat CDM model and model-independent measurement of with LSST and DESI

Benjamin L'Huillier, Ayan Mitra, Arman Shafieloo +2

In this analysis we apply a model-independent framework to test the flat CDM cosmology using simulated SNIa data from the upcoming Legacy Survey of Space and Time (LSST) and com…

astro-ph.CO2024

Not all lensing is low: An analysis of DESIDES using the Lagrangian Effective Theory of LSS

S. Chen, J. DeRose, R. Zhou +39

In this work we use Lagrangian perturbation theory to analyze the harmonic space galaxy clustering signal of Bright Galaxy Survey (BGS) and Luminous Red Galaxies (LRGs) targeted by…

astro-ph.CO2024★ 38 cited

The Atacama Cosmology Telescope DR6 and DESI: Structure formation over cosmic time with a measurement of the cross-correlation of CMB Lensing and Luminous Red Galaxies

Joshua Kim, Noah Sailer, Mathew S. Madhavacheril +70

We present a high-significance cross-correlation of CMB lensing maps from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) with spectroscopically calibrated luminous red…

astro-ph.CO2024★ 21 cited

Fiducial-Cosmology-dependent systematics for the DESI 2024 BAO Analysis

A. Pérez-Fernández, L. Medina-Varela, R. Ruggeri +61

When measuring the Baryon Acoustic Oscillations (BAO) scale from galaxy surveys, one typically assumes a fiducial cosmology when converting redshift measurements into comoving dist…

astro-ph.CO2024★ 29 cited

Archetype-Based Redshift Estimation for the Dark Energy Spectroscopic Instrument Survey

Abhijeet Anand, Julien Guy, Stephen Bailey +46

We present a computationally efficient galaxy archetype-based redshift estimation and spectral classification method for the Dark Energy Survey Instrument (DESI) survey. The DESI s…

astro-ph.CO2024★ 159 cited

DESI 2024: Reconstructing Dark Energy using Crossing Statistics with DESI DR1 BAO data

R. Calderon, K. Lodha, A. Shafieloo +52

We implement Crossing Statistics to reconstruct in a model-agnostic manner the expansion history of the universe and properties of dark energy, using DESI Data Release 1 (DR1) BAO…

astro-ph.CO2024★ 28 cited

Optimal Reconstruction of Baryon Acoustic Oscillations for DESI 2024

E. Paillas, Z. Ding, X. Chen +73

Baryon acoustic oscillations (BAO) provide a robust standard ruler to measure the expansion history of the Universe through galaxy clustering. Density-field reconstruction is now a…

astro-ph.CO2024★ 20 cited

HOD-Dependent Systematics in Emission Line Galaxies for the DESI 2024 BAO analysis

C. Garcia-Quintero, J. Mena-Fernández, A. Rocher +73

The Dark Energy Spectroscopic Instrument (DESI) will provide precise measurements of Baryon Acoustic Oscillations (BAO) to constrain the expansion history of the Universe and set s…