output
19922026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

Showing 2024 · astro-ph.COShow all

49 papers · 2 filters

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★ 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

The Atacama Cosmology Telescope DR6 and DESI: Structure growth measurements from the cross-correlation of DESI Legacy Imaging galaxies and CMB lensing from ACT DR6 and Planck PR4

Frank J. Qu, Qianjun Hang, Gerrit Farren +51

We measure the growth of cosmic density fluctuations on large scales and across the redshift range through the cross-correlation of the ACT DR6 CMB lensing map and gala…

astro-ph.CO2024

Selection of high-redshift Lyman-Break Galaxies from broadband and wide photometric surveys

C. Payerne, W. d'Assignies Doumerg, C. Yèche +44

In this paper, we investigate the possibility of selecting high-redshift Lyman-Break Galaxies (LBG) using current and future broadband wide photometric surveys, such as UNIONS or t…

astro-ph.CO2024

ZTF SN Ia DR2: Simulations and volume limited sample

M. Amenouche, M. Smith, P. Rosnet +27

Type Ia supernovae (SNe Ia) constitute an historical probe to derive cosmological parameters through the fit of the Hubble-Lemaître diagram, i.e. SN Ia distance modulus versus thei…

astro-ph.CO2024

Mass & Light in Galaxy Clusters: The case of Abell 370

M. Limousin, A. Niemiec, B. Beauchesne +16

Parametric strong lensing studies of galaxy clusters often display "misleading features". This is the case in the galaxy cluster Abell 370. Using strong lensing techniques, it has…

astro-ph.CO2024★ 2 cited

ZTF SN Ia DR2: Overview

Mickael Rigault, Mathew Smith, Ariel Goobar +53

We present the first homogeneous release of several thousand Type Ia supernovae (SNe Ia), all having spectroscopic classification, and spectroscopic redshifts for half the sample.…

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★ 4 cited

Hybrid summary statistics: neural weak lensing inference beyond the power spectrum

T. Lucas Makinen, Alan Heavens, Natalia Porqueres +3

In inference problems, we often have domain knowledge which allows us to define summary statistics that capture most of the information content in a dataset. In this paper, we pres…

astro-ph.CO2024★ 14 cited

Evidence for large baryonic feedback at low and intermediate redshifts from kinematic Sunyaev-Zel'dovich observations with ACT and DESI photometric galaxies

B. Hadzhiyska, S. Ferraro, B. Ried Guachalla +70

Recent advances in cosmological observations have provided an unprecedented opportunity to investigate the distribution of baryons relative to the underlying matter. In this work,…

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★ 2 cited

ZTF SN Ia DR2: Exploring SN Ia properties in the vicinity of under-dense environments

M. Aubert, P. Rosnet, B. Popovic +29

The unprecedented statistics of detected Type Ia supernovae (SNe Ia) brought by the Zwicky Transient Facility enables us to probe the impact of the Large-Scale Structure on the pro…

astro-ph.CO2024★ 7 cited

ZTF SN Ia DR2: Evidence of Changing Dust Distributions With Redshift Using Type Ia Supernovae

B. Popovic, M. Rigault, M. Smith +29

Type Ia supernova (SNIa) are excellent probes of local distance, and the increasing sample sizes of SNIa have driven an increased need to study the associated systematic uncertaint…

astro-ph.CO2024★ 2 cited

ZTF SN~Ia DR2: Cosmology-independent constraints on Type Ia supernova standardisation from supernova siblings

S. Dhawan, E. Mortsell, J. Johansson +18

Understanding Type Ia supernovae (SNe~Ia) and the empirical standardisation relations that make them excellent distance indicators is vital to improving cosmological constraints. S…

astro-ph.CO2024★ 1 cited

STag II: Classification of Serendipitous Supernovae Observed by Galaxy Redshift Surveys

W. Davison, D. Parkinson, S. BenZvi +32

With the number of supernovae observed expected to drastically increase thanks to large-scale surveys like the Dark Energy Spectroscopic Instrument (DESI), it is necessary that the…

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★ 30 cited

Mitigation of DESI fiber assignment incompleteness effect on two-point clustering with small angular scale truncated estimators

M. Pinon, A. de Mattia, P. McDonald +50

We present a method to mitigate the effects of fiber assignment incompleteness in two-point power spectrum and correlation function measurements from galaxy spectroscopic surveys,…