1.3k citations · 5.2k across the 56 of their papers we have counts for
54 papers · 1 filter
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
Robust marginalization of baryonic effects for cosmological inference at the field level
Francisco Villaescusa-Navarro, Shy Genel, Daniel Angles-Alcazar +11
We train neural networks to perform likelihood-free inference from 2D maps containing the total mass surface density from thousands of hydrodynamic simula…