activity
20142026
most citedThe DESI Experiment Part I: Science,Targeting, and Survey Design

1.3k citations · 5.2k across the 56 of their papers we have counts for

collaborators

61 papers

astro-ph.CO2026

An LSST-DESC Precursor Project: Hyper Suprime-Cam Year 1 pt in Harmonic Space

D. Sanchez-Cid, J. Sanchez, I. Sevilla-Noarbe +19

We present the first fully photometric joint analysis of weak gravitational lensing and galaxy clustering (32pt) in harmonic space with LSST-DESC analysis pipelines applied…

astro-ph.CO2026

FOSSIL: A future mission for CMB spectral distortion measurements

N. Aghanim, B. Maffei, J. Aumont +96

We present FOSSIL, a proposed space mission which is designed to deliver unprecedented absolute spectroscopic measurements of the sky intensity over a broad frequency range (50GHz…

astro-ph.CO2025

Multiprobe constraints on early and late time dark energy

Alexander Reeves, Simone Ferraro, Andrina Nicola +1

We perform a multiprobe analysis combining cosmic microwave background (CMB) data from Planck and the Atacama Cosmology Telescope (ACT), ACT CMB lensing, and large-scale structure…

astro-ph.CO2025★ 1 cited

Constraints from CMB lensing tomography with projected bispectra

Lea Harscouet, David Alonso, Andrina Nicola +1

We measure the angular power spectrum and bispectrum of the projected overdensity of photometric DESI luminous red galaxies, and its cross-correlation with maps of the Cosmic Micro…

astro-ph.CO2025★ 2 cited

The Atacama Cosmology Telescope: DR6 Maps

Sigurd Naess, Yilun Guan, Adriaan J. Duivenvoorden +163

We present Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) maps of the Cosmic Microwave Background temperature and polarization anisotropy at arcminute resolution over three…

astro-ph.CO2025★ 14 cited

The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models

Erminia Calabrese, J. Colin Hill, Hidde T. Jense +169

We use new cosmic microwave background (CMB) primary temperature and polarization anisotropy measurements from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) to test fo…

astro-ph.CO2025★ 11 cited

The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and CDM Parameters

Thibaut Louis, Adrien La Posta, Zachary Atkins +165

We present power spectra of the cosmic microwave background (CMB) anisotropy in temperature and polarization, measured from the Data Release 6 maps made from Atacama Cosmology Tele…

astro-ph.CO2025★ 1 cited

Tuning the cosmic instrument: robust cosmology through combined probes

Alexander Reeves, Andrina Nicola, Alexandre Refregier

As wide-field surveys yield increasingly precise data, multiprobe analyses offer significant advantages. In this work, we use our previously developed framework for jointly analyzi…

astro-ph.CO2024★ 6 cited

Fast Projected Bispectra: the filter-square approach

Lea Harscouet, Jessica A. Cowell, Julia Ereza +4

The study of third-order statistics in large-scale structure analyses has been hampered by the increased complexity of bispectrum estimators (compared to power spectra), the large…

astro-ph.CO2024★ 15 cited

Catalog-based pseudo-s

Kevin Wolz, David Alonso, Andrina Nicola

We present a formalism to extract the angular power spectrum of fields sampled at a finite number of points with arbitrary positions -- a common situation for several catalog-based…

astro-ph.CO2023

pt combined probes: pipeline, neutrino mass, and data compression

Alexander Reeves, Andrina Nicola, Alexandre Refregier +2

With the rapid advance of wide-field surveys it is increasingly important to perform combined cosmological probe analyses. We present a new pipeline for simulation-based multi-prob…

astro-ph.CO2023★ 3 cited

Galaxy bias in the era of LSST: perturbative bias expansions

Andrina Nicola, Boryana Hadzhiyska, Nathan Findlay +14

Upcoming imaging surveys will allow for high signal-to-noise measurements of galaxy clustering at small scales. In this work, we present the results of the LSST bias challenge, the…

astro-ph.CO2023★ 3 cited

The Atacama Cosmology Telescope: High-resolution component-separated maps across one-third of the sky

William R. Coulton, Mathew S. Madhavacheril, Adriaan J. Duivenvoorden +151

Observations of the millimeter sky contain valuable information on a number of signals, including the blackbody cosmic microwave background (CMB), Galactic emissions, and the Compt…

astro-ph.CO2023★ 213 cited

Hyper Suprime-Cam Year 3 Results: Cosmology from Cosmic Shear Power Spectra

Roohi Dalal, Xiangchong Li, Andrina Nicola +35

We measure weak lensing cosmic shear power spectra from the three-year galaxy shear catalog of the Hyper Suprime-Cam (HSC) Subaru Strategic Program imaging survey. The shear catalo…

astro-ph.CO2023★ 347 cited

The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters

Mathew S. Madhavacheril, Frank J. Qu, Blake D. Sherwin +156

We present cosmological constraints from a gravitational lensing mass map covering 9400 sq. deg. reconstructed from CMB measurements made by the Atacama Cosmology Telescope (ACT) f…

astro-ph.CO2023★ 280 cited

The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and its Implications for Structure Growth

Frank J. Qu, Blake D. Sherwin, Mathew S. Madhavacheril +155

We present new measurements of cosmic microwave background (CMB) lensing over sq. deg. of the sky. These lensing measurements are derived from the Atacama Cosmology Telescop…

astro-ph.CO2023★ 23 cited

Hyper Suprime-Cam Year 3 Results: Cosmology from Cosmic Shear Two-point Correlation Functions

Xiangchong Li, Tianqing Zhang, Sunao Sugiyama +32

We perform a blinded cosmology analysis with cosmic shear two-point correlation functions (2PCFs) measured from more than 25 million galaxies in the Hyper Suprime-Cam three-year sh…

astro-ph.CO2022★ 15 cited

A General Framework for Removing Point Spread Function Additive Systematics in Cosmological Weak Lensing Analysis

Tianqing Zhang, Xiangchong Li, Roohi Dalal +10

Cosmological weak lensing measurements rely on a precise measurement of the shear two-point correlation function (2PCF) along with a deep understanding of systematics that affect i…

astro-ph.CO2022★ 6 cited

Combining cosmic shear data with correlated photo- uncertainties: constraints from DESY1 and HSC-DR1

Carlos García-García, David Alonso, Pedro G. Ferreira +4

An accurate calibration of the source redshift distribution is a key aspect in the analysis of cosmic shear data. This, one way or another, requires the use of spectroscopic…

astro-ph.CO2022★ 24 cited

A Unified Catalog-level Reanalysis of Stage-III Cosmic Shear Surveys

Emily P. Longley, Chihway Chang, Christopher W. Walter +13

Cosmological parameter constraints from recent galaxy imaging surveys are reaching -level accuracy. The upcoming Legacy Survey of Space and Time (LSST) of the Vera C. Rubin…

astro-ph.CO2022★ 12 cited

Snowmass 2021 CMB-S4 White Paper

Kevork Abazajian, Arwa Abdulghafour, Graeme E. Addison +353

This Snowmass 2021 White Paper describes the Cosmic Microwave Background Stage 4 project CMB-S4, which is designed to cross critical thresholds in our understanding of the origin a…

astro-ph.CO2022★ 33 cited

Breaking baryon-cosmology degeneracy with the electron density power spectrum

Andrina Nicola, Francisco Villaescusa-Navarro, David N. Spergel +8

Uncertain feedback processes in galaxies affect the distribution of matter, currently limiting the power of weak lensing surveys. If we can identify cosmological statistics that ar…

astro-ph.CO2022★ 67 cited

The CAMELS project: public data release

Francisco Villaescusa-Navarro, Shy Genel, Daniel Anglés-Alcázar +44

The Cosmology and Astrophysics with MachinE Learning Simulations (CAMELS) project was developed to combine cosmology with astrophysics through thousands of cosmological hydrodynami…

cs.LG2021★ 69 cited

The CAMELS Multifield Dataset: Learning the Universe's Fundamental Parameters with Artificial Intelligence

Francisco Villaescusa-Navarro, Shy Genel, Daniel Angles-Alcazar +25

We present the Cosmology and Astrophysics with MachinE Learning Simulations (CAMELS) Multifield Dataset, CMD, a collection of hundreds of thousands of 2D maps and 3D grids containi…