Eric Huff
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View article: The DECADE cosmic shear project IV: cosmological constraints from 107 million galaxies across 5,400 deg <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"> <a:msup> <a:mi/> <a:mn>2</a:mn> </a:msup> </a:math> of the sky
The DECADE cosmic shear project IV: cosmological constraints from 107 million galaxies across 5,400 deg <a:mi/> 2 of the sky Open
We present cosmological constraints from the Dark Energy Camera All Data Everywhere (DECADE) cosmic shear analysis. This work uses shape measurements for 107 million galaxies measured through Dark Energy Camera (DECam) imaging of deg …
View article: The Dark Energy Camera All Data Everywhere cosmic shear project V: Constraints on cosmology and astrophysics from 270 million galaxies across 13,000 deg$^2$ of the sky
The Dark Energy Camera All Data Everywhere cosmic shear project V: Constraints on cosmology and astrophysics from 270 million galaxies across 13,000 deg$^2$ of the sky Open
We present constraints on models of cosmology and astrophysics using cosmic shear data vectors from three datasets: the northern and southern Galactic cap of the Dark Energy Camera All Data Everywhere (DECADE) project, and the Dark Energy …
View article: Dark Energy Survey Year 3 Results: Cosmological constraints from second and third-order shear statistics
Dark Energy Survey Year 3 Results: Cosmological constraints from second and third-order shear statistics Open
We present a cosmological analysis of the third-order aperture mass statistic using Dark Energy Survey Year 3 (DES Y3) data. We perform a complete tomographic measurement of the three-point correlation function of the Y3 weak lensing shape…
View article: Constraining the Stellar-to-Halo Mass Relation with Galaxy Clustering and Weak Lensing from DES Year 3 Data
Constraining the Stellar-to-Halo Mass Relation with Galaxy Clustering and Weak Lensing from DES Year 3 Data Open
We develop a framework to study the relation between the stellar mass of a galaxy and the total mass of its host dark matter halo using galaxy clustering and galaxy-galaxy lensing measurements. We model a wide range of scales, roughly from…
View article: Constraints on cosmology and baryonic feedback with joint analysis of Dark Energy Survey Year 3 lensing data and ACT DR6 thermal Sunyaev-Zel'dovich effect observations
Constraints on cosmology and baryonic feedback with joint analysis of Dark Energy Survey Year 3 lensing data and ACT DR6 thermal Sunyaev-Zel'dovich effect observations Open
We present a joint analysis of weak gravitational lensing (shear) data obtained from the first three years of observations by the Dark Energy Survey and thermal Sunyaev-Zel'dovich (tSZ) effect measurements from a combination of Atacama Cos…
View article: Learning Intrinsic Alignments from Local Galaxy Environments
Learning Intrinsic Alignments from Local Galaxy Environments Open
We present DELTA (Data-Empiric Learned Tidal Alignments), a deep learning model that isolates galaxy intrinsic alignments (IAs) from weak lensing distortions using only observational data. The model uses an Equivariant Graph Neural Network…
View article: High-significance detection of correlation between the unresolved gamma-ray background and the large-scale cosmic structure
High-significance detection of correlation between the unresolved gamma-ray background and the large-scale cosmic structure Open
Our understanding of the γ -ray sky has improved dramatically in the past decade, however, the unresolved γ -ray background (UGRB) still has a potential wealth of information about the faintest γ -ray sources pervading the Universe. Statis…
View article: Kinematic lensing inference – II. Cluster lensing with ℴ(1) galaxies
Kinematic lensing inference – II. Cluster lensing with ℴ(1) galaxies Open
We present the first detection of a cluster lensing signal with ‘kinematic lensing’ (KL), a novel weak lensing method that combines photometry, spectroscopy, and the Tully–Fisher relation to enable shear measurements with individual source…
View article: Kinematic lensing inference – II. Cluster lensing with ℴ(1) galaxies
Kinematic lensing inference – II. Cluster lensing with ℴ(1) galaxies Open
We present the first detection of a cluster lensing signal with ‘kinematic lensing’ (KL), a novel weak lensing method that combines photometry, spectroscopy, and the Tully–Fisher relation to enable shear measurements with individual source…
View article: Denoising Diffusion Probabilistic Model for Realistic and Fast Generated Euclid-like Data for Weak Lensing Analysis
Denoising Diffusion Probabilistic Model for Realistic and Fast Generated Euclid-like Data for Weak Lensing Analysis Open
Understanding and mitigating measurement systematics in weak lensing (WL) analysis requires large data sets of realistic galaxies with diverse morphologies and colors. Missions like Euclid, the Nancy Roman Space Telescope, and Vera C. Rubi…
View article: Multiprobe cosmology from the abundance of SPT clusters and DES galaxy clustering and weak lensing
Multiprobe cosmology from the abundance of SPT clusters and DES galaxy clustering and weak lensing Open
Cosmic shear, galaxy clustering, and the abundance of massive halos each probe the large-scale structure of the Universe in complementary ways. We present cosmological constraints from the joint analysis of the three probes, building on th…
View article: A Detection of Circumgalactic Dust at Megaparsec Scales with Maximum Likelihood Estimation
A Detection of Circumgalactic Dust at Megaparsec Scales with Maximum Likelihood Estimation Open
One of the more surprising astrophysical discoveries of the last decade has been the presence of enormous quantities of dust at megaparsec distances from galaxies, which has important implications for galaxy evolution, the circumgalactic a…
View article: The DECADE cosmic shear project II: photometric redshift calibration of the source galaxy sample
The DECADE cosmic shear project II: photometric redshift calibration of the source galaxy sample Open
We present the photometric redshift characterization and calibration for the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog of 107 million galaxies observed by the Dark Energy Camera (DECam) in the northern…
View article: The DECADE cosmic shear project IV: cosmological constraints from 107 million galaxies across 5,400 deg$^2$ of the sky
The DECADE cosmic shear project IV: cosmological constraints from 107 million galaxies across 5,400 deg$^2$ of the sky Open
We present cosmological constraints from the Dark Energy Camera All Data Everywhere (DECADE) cosmic shear analysis. This work uses shape measurements for 107 million galaxies measured through Dark Energy Camera (DECam) imaging of $5,\!412$…
View article: High-Significance Detection of Correlation Between the Unresolved Gamma-Ray Background and the Large Scale Cosmic Structure
High-Significance Detection of Correlation Between the Unresolved Gamma-Ray Background and the Large Scale Cosmic Structure Open
Our understanding of the $γ$-ray sky has improved dramatically in the past decade, however, the unresolved $γ$-ray background (UGRB) still has a potential wealth of information about the faintest $γ$-ray sources pervading the Universe. Sta…
View article: Euclid preparation LX. The use of HST images as input for weak-lensing image simulations
Euclid preparation LX. The use of HST images as input for weak-lensing image simulations Open
Data from the Euclid space telescope will enable cosmic shear measurements with very small statistical errors, requiring corresponding systematic error control level. A common approach to correct for shear biases involves calibrating shape…
View article: Dark Energy Survey Year 6 Results: Cell-based Coadds and Metadetection Weak Lensing Shape Catalogue
Dark Energy Survey Year 6 Results: Cell-based Coadds and Metadetection Weak Lensing Shape Catalogue Open
We present the Metadetection weak lensing galaxy shape catalogue from the six-year Dark Energy Survey (DES Y6) imaging data. This dataset is the final release from DES, spanning 4422 deg$^2$ of the southern sky. We describe how the catalog…
View article: Multiprobe Cosmology from the Abundance of SPT Clusters and DES Galaxy Clustering and Weak Lensing
Multiprobe Cosmology from the Abundance of SPT Clusters and DES Galaxy Clustering and Weak Lensing Open
Cosmic shear, galaxy clustering, and the abundance of massive halos each probe the large-scale structure of the Universe in complementary ways. We present cosmological constraints from the joint analysis of the three probes, building on th…
View article: Dark Energy Survey Year 3: Blue Shear
Dark Energy Survey Year 3: Blue Shear Open
Modeling the intrinsic alignment (IA) of galaxies poses a challenge to weak lensing analyses. The Dark Energy Survey is expected to be less impacted by IA when limited to blue, star-forming galaxies. The cosmological parameter constraints …
View article: SPT clusters with DES and HST weak lensing. II. Cosmological constraints from the abundance of massive halos
SPT clusters with DES and HST weak lensing. II. Cosmological constraints from the abundance of massive halos Open
Here, we present cosmological constraints from the abundance of galaxy clusters selected via the thermal Sunyaev-Zel’dovich (SZ) effect in South Pole Telescope (SPT) data with a simultaneous mass calibration using weak gravitational lensin…
View article: Weak lensing combined with the kinetic Sunyaev–Zel’dovich effect: a study of baryonic feedback
Weak lensing combined with the kinetic Sunyaev–Zel’dovich effect: a study of baryonic feedback Open
Extracting precise cosmology from weak lensing surveys requires modelling the non-linear matter power spectrum, which is suppressed at small scales due to baryonic feedback processes. However, hydrodynamical galaxy formation simulations ma…
View article: Weak lensing combined with the kinetic Sunyaev–Zel’dovich effect: a study of baryonic feedback
Weak lensing combined with the kinetic Sunyaev–Zel’dovich effect: a study of baryonic feedback Open
Extracting precise cosmology from weak lensing surveys requires modelling the non-linear matter power spectrum, which is suppressed at small scales due to baryonic feedback processes. However, hydrodynamical galaxy formation simulations ma…
View article: Enhancing weak lensing redshift distribution characterization by optimizing the Dark Energy Survey Self-Organizing Map Photo-z method
Enhancing weak lensing redshift distribution characterization by optimizing the Dark Energy Survey Self-Organizing Map Photo-z method Open
Characterization of the redshift distribution of ensembles of galaxies is pivotal for large scale structure cosmological studies. In this work, we focus on improving the Self-Organizing Map (SOM) methodology for photometric redshift estima…
View article: Kinematic Lensing with the Dark Energy Spectroscopic Instrument -- Probing structure formation at very low redshift
Kinematic Lensing with the Dark Energy Spectroscopic Instrument -- Probing structure formation at very low redshift Open
We explore the science prospects of a 14,000 deg$^2$ Kinematic Lensing (KL) survey with the Dark Energy Spectroscopic Instrument (DESI) and overlapping imaging surveys. KL infers the cosmic shear signal by jointly forward modeling the obse…
View article: SuperBIT Superpressure Flight Instrument Overview and Performance: Near-diffraction-limited Astronomical Imaging from the Stratosphere
SuperBIT Superpressure Flight Instrument Overview and Performance: Near-diffraction-limited Astronomical Imaging from the Stratosphere Open
SuperBIT was a 0.5 m near-UV to near-infrared wide-field telescope that launched on a NASA superpressure balloon into the stratosphere from New Zealand for a 45-night flight. SuperBIT acquired multiband images of galaxy clusters to study t…
View article: Modelling the redshift-space cluster–galaxy correlation function on Mpc scales with emulation of the pairwise velocity distribution
Modelling the redshift-space cluster–galaxy correlation function on Mpc scales with emulation of the pairwise velocity distribution Open
We present a method for modelling the cluster–galaxy correlation function in redshift space, down to $\sim$ Mpc scales. The method builds upon the so-called galaxy infall kinematics (GIK) model, a parametric model for the pairwise velociti…
View article: From SuperBIT to GigaBIT: Informing next-generation balloon-borne telescope design with Fine Guidance System flight data
From SuperBIT to GigaBIT: Informing next-generation balloon-borne telescope design with Fine Guidance System flight data Open
The Super-pressure Balloon-borne Imaging Telescope (SuperBIT) is a near-diffraction-limited 0.5m telescope that launched via NASA's super-pressure balloon technology on April 16, 2023. SuperBIT achieved precise pointing control through the…
View article: Modelling the redshift-space cluster-galaxy correlation function on Mpc scales with emulation of the pairwise velocity distribution
Modelling the redshift-space cluster-galaxy correlation function on Mpc scales with emulation of the pairwise velocity distribution Open
We present a method for modelling the cluster-galaxy correlation function in redshift-space, down to ~ Mpc scales. The method builds upon the so-called Galaxy Infall Kinematics (GIK) model, a parametric model for the pairwise velocities of…
View article: The SRG/eROSITA All-Sky Survey
The SRG/eROSITA All-Sky Survey Open
Context. Number counts of galaxy clusters across redshift are a powerful cosmological probe if a precise and accurate reconstruction of the underlying mass distribution is performed – a challenge called mass calibration. With the advent of…
View article: Astrophysical systematics in Kinematic Lensing: quantifying an Intrinsic Alignment analog
Astrophysical systematics in Kinematic Lensing: quantifying an Intrinsic Alignment analog Open
Kinematic lensing (KL) is a new weak lensing technique that reduces shape noise for disk galaxies by including spectroscopically measured galaxy kinematics in addition to photometrically measured galaxy shapes. Since KL utilizes the Tully-…