activity
20152026
most citedDelensing the CMB with the Cosmic Infrared Background

113 citations · 336 across the 21 of their papers we have counts for

collaborators

21 papers

astro-ph.CO2026

Model-Independent Measurement of Baryon Gas Fractions through Galaxy-Galaxy Lensing and the Kinematic Sunyaev-Zel'dovich Effect

R. Henry Liu, Uroš Seljak, Simone Ferraro +52

Baryon feedback is a leading source of systematic uncertainty for cosmology from weak lensing, but measurements of the gas distribution around galaxies have largely relied on param…

astro-ph.CO2026

Precision Kinematic Sunyaev--Zel'dovich Measurements Across Halo Mass and Redshift with DESI DR2 and ACT DR6: Part I. Luminous Red Galaxies

F. J. Qu, B. Ried Guachalla, E. Schaan +51

We present the most precise measurements of the kinetic Sunyaev-Zel'dovich (kSZ) effect around luminous red galaxies to date, detecting the signal at significance in both har…

astro-ph.CO2026

Estimation and mitigation of foregrounds in projected kSZ velocity reconstruction

Carmen Embil Villagra, Fiona McCarthy, Antón Baleato Lizancos +2

The kSZ effect has recently emerged as a powerful probe for precision cosmology through its ability to reconstruct the large-scale velocity field. In particular, the kSZ-reconstruc…

astro-ph.CO2026★ 1 cited

An analytic approximation to the covariance between pre- and post-reconstruction galaxy two-point statistics

M. Maus, A. Baleato Lizancos, M. White +2

We present a simple analytic approximation for the covariance between pre-reconstruction galaxy power spectrum measurements and post-reconstruction two-point correlation functions.…

astro-ph.CO2025

The Simons Observatory: forecasted constraints on primordial gravitational waves with the expanded array of Small Aperture Telescopes

The Simons Observatory Collaboration, I. Abril-Cabezas, S. Adachi +479

We present updated forecasts for the scientific performance of the degree-scale (0.5 deg FWHM at 93 GHz), deep-field survey to be conducted by the Simons Observatory (SO). By 2027,…

astro-ph.CO2025

Constraining primordial non-Gaussianity from DESI DR1 quasars and Planck PR4 CMB Lensing

Sofia Chiarenza, Alex Krolewski, Marco Bonici +54

We present the first measurement of local-type primordial non-Gaussianity from the cross-correlation between million spectroscopically confirmed quasars from the first data r…

astro-ph.CO2025

The Atacama Cosmology Telescope: -mode delensing with DR6 data and external tracers of large-scale structure

Emilie Hertig, Antón Baleato Lizancos, Frank J. Qu +14

Large-scale -mode polarization of the cosmic microwave background (CMB) is a prime target for current and future experiments in search of primordial gravitational waves (PGW). W…

astro-ph.CO2025

Full calibration of the tomographic redshift distribution from the HSC PDR3 Shape Catalog with DESI

J. Choppin de Janvry, S. Gontcho A Gontcho, U. Seljak +53

The calibration of tomographic redshift distributions is essential for cosmological analysis of weak lensing data. In this work, we calibrate all four tomographic bins of the Hyper…

astro-ph.CO2025★ 1 cited

Delensing CMB B-modes using galaxy surveys: the effect of galaxy bias and matter clustering non-linearities

Shengzhu Wang, Antón Baleato Lizancos, José Luis Bernal

The B-mode of polarization of the CMB is a uniquely powerful probe of gravitational waves produced in the very early Universe. But searches for primordial B-mode anisotropies must…

astro-ph.CO2025★ 29 cited

Data Release 1 of the Dark Energy Spectroscopic Instrument

DESI Collaboration, M. Abdul Karim, A. G. Adame +306

In 2021 May the Dark Energy Spectroscopic Instrument (DESI) collaboration began a 5-year spectroscopic redshift survey to produce a detailed map of the evolving three-dimensional s…

astro-ph.CO2024★ 2 cited

Removal of interloper contamination to line-intensity maps using correlations with ancillary tracers of the large-scale structure

José Luis Bernal, Antón Baleato Lizancos

Line-intensity mapping (LIM) offers an approach to obtain three-dimensional maps of the large-scale structure by collecting the aggregate emission from all emitters along the line…

astro-ph.CO2024★ 1 cited

The Simons Observatory: Combining delensing and foreground cleaning for improved constraints on inflation

Emilie Hertig, Kevin Wolz, Toshiya Namikawa +3

The Simons Observatory (SO), a next-generation ground-based CMB experiment in its final stages of construction, will target primordial -modes with unprecedented sensitivity to s…

astro-ph.CO2024

The Simons Observatory: Combining cross-spectral foreground cleaning with multitracer -mode delensing for improved constraints on inflation

Emilie Hertig, Kevin Wolz, Toshiya Namikawa +16

The Simons Observatory (SO), due to start full science operations in early 2025, aims to set tight constraints on inflationary physics by inferring the tensor-to-scalar ratio f…

astro-ph.CO2023

Harmonic analysis of discrete tracers of large-scale structure

Antón Baleato Lizancos, Martin White

It is commonplace in cosmology to analyze fields projected onto the celestial sphere, and in particular density fields that are defined by a set of points e.g. galaxies. When perfo…

astro-ph.CO2023★ 29 cited

The Simons Observatory: pipeline comparison and validation for large-scale B-modes

K. Wolz, S. Azzoni, C. Hervias-Caimapo +14

The upcoming Simons Observatory Small Aperture Telescopes aim at achieving a constraint on the primordial tensor-to-scalar ratio at the level of , observin…

astro-ph.CO2023★ 3 cited

Model independent variance cancellation in CMB lensing cross-correlations

Antón Baleato Lizancos, Simone Ferraro

Cross-correlations of CMB lensing reconstructions with other tracers of matter constrain primordial non-Gaussianity, neutrino masses and structure growth as a function of cosmic ti…

astro-ph.CO2022★ 18 cited

The impact of extragalactic foregrounds on internal delensing of CMB B-mode polarization

Antón Baleato Lizancos, Simone Ferraro

The search for primordial -mode polarization of the CMB is limited by the sample variance of -modes produced at later times by gravitational lensing. Constraints can be impro…

astro-ph.CO2021★ 42 cited

The Simons Observatory: Constraining inflationary gravitational waves with multi-tracer B-mode delensing

Toshiya Namikawa, Anton Baleato Lizancos, Naomi Robertson +32

We introduce and validate a delensing framework for the Simons Observatory (SO), which will be used to improve constraints on inflationary gravitational waves (IGWs) by reducing th…

astro-ph.CO2021★ 18 cited

Delensing the CMB with the cosmic infrared background: the impact of foregrounds

Antón Baleato Lizancos, Anthony Challinor, Blake D. Sherwin +1

The most promising avenue for detecting primordial gravitational waves from cosmic inflation is through measurements of degree-scale CMB -mode polarisation. This approach must f…

astro-ph.IM2019★ 79 cited

The Simons Observatory: Astro2020 Decadal Project Whitepaper

The Simons Observatory Collaboration, Maximilian H. Abitbol, Shunsuke Adachi +280

The Simons Observatory (SO) is a ground-based cosmic microwave background (CMB) experiment sited on Cerro Toco in the Atacama Desert in Chile that promises to provide breakthrough…

astro-ph.CO2015★ 113 cited

Delensing the CMB with the Cosmic Infrared Background

Blake D. Sherwin, Marcel Schmittfull

As confusion with lensing B-modes begins to limit experiments that search for primordial B-mode polarization, robust methods for delensing the CMB polarization sky are becoming inc…