activity
20182024
most citedDark Energy Survey Year 3 Results: Cosmology from Cosmic Shear and Robustness to Data Calibration

448 citations · 2.8k across the 57 of their papers we have counts for

collaborators

59 papers

astro-ph.CO2024★ 7 cited

SPT Clusters with DES and HST Weak Lensing. II. Cosmological Constraints from the Abundance of Massive Halos

S. Bocquet, S. Grandis, L. E. Bleem +193

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 simultan…

astro-ph.CO2023

Cosmology with imaging galaxy surveys: the impact of evolving galaxy bias and magnification

Shivam Pandey, Carles Sánchez, Bhuvnesh Jain +1

The joint analysis of galaxy clustering and galaxy-shear cross-correlations (galaxy-galaxy lensing) in imaging surveys constitutes one of the main avenues to obtain cosmological in…

astro-ph.CO2023★ 6 cited

SPT Clusters with DES and HST Weak Lensing. I. Cluster Lensing and Bayesian Population Modeling of Multi-Wavelength Cluster Datasets

S. Bocquet, S. Grandis, L. E. Bleem +130

We present a Bayesian population modeling method to analyze the abundance of galaxy clusters identified by the South Pole Telescope (SPT) with a simultaneous mass calibration using…

astro-ph.GA2023

Cosmological shocks around galaxy clusters: A coherent investigation with DES, SPT & ACT

D. Anbajagane, C. Chang, E. J. Baxter +111

We search for signatures of cosmological shocks in gas pressure profiles of galaxy clusters using the cluster catalogs from three surveys: the Dark Energy Survey (DES) Year 3, the…

astro-ph.CO2023★ 14 cited

Cosmology from Cross-Correlation of ACT-DR4 CMB Lensing and DES-Y3 Cosmic Shear

S. Shaikh, I. Harrison, A. van Engelen +105

Cross-correlation between weak lensing of the Cosmic Microwave Background (CMB) and weak lensing of galaxies offers a way to place robust constraints on cosmological and astrophysi…

astro-ph.CO2023

Beyond the 3rd moment: A practical study of using lensing convergence CDFs for cosmology with DES Y3

D. Anbajagane, C. Chang, A. Banerjee +95

Widefield surveys of the sky probe many clustered scalar fields -- such as galaxy counts, lensing potential, gas pressure, etc. -- that are sensitive to different cosmological and…

astro-ph.CO2023★ 2 cited

Detection of the significant impact of source clustering on higher-order statistics with DES Year 3 weak gravitational lensing data

M. Gatti, N. Jeffrey, L. Whiteway +98

We demonstrate and measure the impact of source galaxy clustering on higher-order summary statistics of weak gravitational lensing data. By comparing simulated data with galaxies t…

astro-ph.CO2023★ 160 cited

DES Y3 + KiDS-1000: Consistent cosmology combining cosmic shear surveys

Dark Energy Survey, Kilo-Degree Survey Collaboration, : +160

We present a joint cosmic shear analysis of the Dark Energy Survey (DES Y3) and the Kilo-Degree Survey (KiDS-1000) in a collaborative effort between the two survey teams. We find c…

astro-ph.CO2023★ 16 cited

The Kinematic Sunyaev-Zel'dovich Effect with ACT, DES, and BOSS: a Novel Hybrid Estimator

M. Mallaby-Kay, S. Amodeo, J. C. Hill +80

The kinematic and thermal Sunyaev-Zel'dovich (kSZ and tSZ) effects probe the abundance and thermodynamics of ionized gas in galaxies and clusters. We present a new hybrid estimator…

astro-ph.CO2023★ 9 cited

The CAMELS project: Expanding the galaxy formation model space with new ASTRID and 28-parameter TNG and SIMBA suites

Yueying Ni, Shy Genel, Daniel Anglés-Alcázar +12

We present CAMELS-ASTRID, the third suite of hydrodynamical simulations in the Cosmology and Astrophysics with MachinE Learning (CAMELS) project, along with new simulation sets tha…

astro-ph.CO2023★ 3 cited

The impact of halo concentration on the Sunyaev Zel'dovich effect signal from massive galaxy clusters

Eric J. Baxter, Shivam Pandey, Susmita Adhikari +4

The Sunyaev Zel'dovich (SZ) effect is sensitive to the pressure of ionized gas inside galaxy clusters, which is in turn controlled largely by the gravitational potential of the clu…

astro-ph.CO2023★ 32 cited

Inferring the impact of feedback on the matter distribution using the Sunyaev Zel'dovich effect: Insights from CAMELS simulations and ACT+DES data

Shivam Pandey, Kai Lehman, Eric J. Baxter +6

Feedback from active galactic nuclei and stellar processes changes the matter distribution on small scales, leading to significant systematic uncertainty in weak lensing constraint…

astro-ph.CO2022★ 49 cited

The Dark Energy Survey Year 3 and eBOSS: constraining galaxy intrinsic alignments across luminosity and colour space

S. Samuroff, R. Mandelbaum, J. Blazek +104

We present direct constraints on galaxy intrinsic alignments using the Dark Energy Survey Year 3 (DES Y3), the Extended Baryon Oscillation Spectroscopic Survey (eBOSS) and its prec…

astro-ph.CO2022★ 5 cited

Non-local contribution from small scales in galaxy-galaxy lensing: Comparison of mitigation schemes

J. Prat, G. Zacharegkas, Y. Park +112

Recent cosmological analyses with large-scale structure and weak lensing measurements, usually referred to as 32pt, had to discard a lot of signal-to-noise from small scale…

astro-ph.CO2022

The Dark Energy Survey Year 3 high redshift sample: Selection, characterization and analysis of galaxy clustering

C. Sánchez, A. Alarcon, G. M. Bernstein +97

The fiducial cosmological analyses of imaging galaxy surveys like the Dark Energy Survey (DES) typically probe the Universe at redshifts . This is mainly because of the limi…

astro-ph.CO2022★ 17 cited

Mapping gas around massive galaxies: cross-correlation of DES Y3 galaxies and Compton--maps from SPT and Planck

J. Sánchez, Y. Omori, C. Chang +124

We cross-correlate positions of galaxies measured in data from the first three years of the Dark Energy Survey with Compton--maps generated using data from the South Pole Telesc…

astro-ph.CO2022★ 43 cited

Dark Energy Survey Year 3 results: Magnification modeling and impact on cosmological constraints from galaxy clustering and galaxy-galaxy lensing

J. Elvin-Poole, N. MacCrann, S. Everett +93

We study the effect of magnification in the Dark Energy Survey Year 3 analysis of galaxy clustering and galaxy-galaxy lensing, using two different lens samples: a sample of Luminou…

astro-ph.CO2022★ 13 cited

Dark Energy Survey Year 3 Results: Redshift Calibration of the MagLim Lens Sample from the combination of SOMPZ and clustering and its impact on Cosmology

G. Giannini, A. Alarcon, M. Gatti +111

We present an alternative calibration of the MagLim lens sample redshift distributions from the Dark Energy Survey (DES) first three years of data (Y3). The new calibration is base…

astro-ph.CO2022★ 28 cited

The SZ flux-mass (-) relation at low halo masses: improvements with symbolic regression and strong constraints on baryonic feedback

Digvijay Wadekar, Leander Thiele, J. Colin Hill +8

Feedback from active galactic nuclei (AGN) and supernovae can affect measurements of integrated SZ flux of halos () from CMB surveys, and cause its relation with the…

astro-ph.CO2022

Dark Energy Survey Year 3 Results: Constraints on extensions to CDM with weak lensing and galaxy clustering

DES Collaboration, T. M. C. Abbott, M. Aguena +159

We constrain extensions to the CDM model using measurements from the Dark Energy Survey's first three years of observations and external data. The DES data are the two-point cor…

astro-ph.CO2022★ 1 cited

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck III: Combined cosmological constraints

T. M. C. Abbott, M. Aguena, A. Alarcon +168

We present cosmological constraints from the analysis of two-point correlation functions between galaxy positions and galaxy lensing measured in Dark Energy Survey (DES) Year 3 dat…

astro-ph.CO2022★ 45 cited

Constraining the Baryonic Feedback with Cosmic Shear Using the DES Year-3 Small-Scale Measurements

A. Chen, G. Aricò, D. Huterer +139

We use the small scales of the Dark Energy Survey (DES) Year-3 cosmic shear measurements, which are excluded from the DES Year-3 cosmological analysis, to constrain the baryonic fe…

astro-ph.CO2022★ 36 cited

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck II: Cross-correlation measurements and cosmological constraints

C. Chang, Y. Omori, E. J. Baxter +163

Cross-correlations of galaxy positions and galaxy shears with maps of gravitational lensing of the cosmic microwave background (CMB) are sensitive to the distribution of large-scal…

astro-ph.CO2022★ 23 cited

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck I: Construction of CMB Lensing Maps and Modeling Choices

Y. Omori, E. J. Baxter, C. Chang +160

Joint analyses of cross-correlations between measurements of galaxy positions, galaxy lensing, and lensing of the cosmic microwave background (CMB) offer powerful constraints on th…