Showing 2023 · astro-ph.COShow all

53 papers · 2 filters

astro-ph.CO2023★ 9 cited

Probing interacting dark sector models with future weak lensing-informed galaxy cluster abundance constraints from SPT-3G and CMB-S4

Asmaa Mazoun, Sebastian Bocquet, Mathias Garny +3

We forecast the sensitivity of ongoing and future galaxy cluster abundance measurements to detect deviations from the cold dark matter (CDM) paradigm. Concretely, we consider a cla…

astro-ph.CO2023

Time Delay Cosmography: Analysis of Quadruply Lensed QSO SDSSJ1433 from Wendelstein Observatory

G. Queirolo, S. Seitz, A. Riffeser +7

The goal of this work is to obtain a Hubble constant estimate through the study of the quadruply lensed, variable QSO SDSSJ1433+6007. To achieve this we combine multi-filter, archi…

astro-ph.CO2023★ 20 cited

The eROSITA view of the Abell 3391/95 field: Cluster Outskirts and Filaments

Angie Veronica, Thomas H. Reiprich, Florian Pacaud +17

Aims. We aim to characterize the gas properties in the cluster outskirts () and in the detected inter-cluster filaments () of the A3391/95 system and t…

astro-ph.CO2023★ 13 cited

Euclid preparation. Modelling spectroscopic clustering on mildly nonlinear scales in beyond-CDM models

Euclid Collaboration, B. Bose, P. Carrilho +229

We investigate the approximations needed to efficiently predict the large-scale clustering of matter and dark matter halos in beyond-CDM scenarios. We examine the normal branch…

astro-ph.CO2023★ 8 cited

Impact of half-wave plate systematics on the measurement of CMB -mode polarization

Marta Monelli, Eiichiro Komatsu, Tommaso Ghigna +3

Polarization of the cosmic microwave background (CMB) can help probe the fundamental physics behind cosmic inflation via the measurement of primordial modes. As this requires e…

astro-ph.CO2023

Euclid preparation. XXXIX. The effect of baryons on the Halo Mass Function

Euclid Collaboration, T. Castro, S. Borgani +220

The Euclid photometric survey of galaxy clusters stands as a powerful cosmological tool, with the capacity to significantly propel our understanding of the Universe. Despite being…

astro-ph.CO2023★ 1 cited

Dark Energy Survey Year 3 Results: Mis-centering calibration and X-ray-richness scaling relations in redMaPPer clusters

P. Kelly, J. Jobel, O. Eiger +76

We use Dark Energy Survey Year 3 (DES Y3) clusters with archival X-ray data from XMM-Newton and Chandra to assess the centering performance of the redMaPPer cluster finder and to m…

astro-ph.CO2023★ 13 cited

AMICO galaxy clusters in KiDS-DR3: Cosmological constraints from angular power spectrum and correlation function

M. Romanello, F. Marulli, L. Moscardini +14

We study the tomographic clustering properties of the photometric cluster catalogue derived from the Third Data Release of the Kilo Degree Survey, focusing on the angular correlati…

astro-ph.CO2023★ 30 cited

Cosmological constraints from abundance, weak-lensing and clustering of galaxy clusters: application to the SDSS

Alessandra Fumagalli, Matteo Costanzi, Alexandro Saro +2

The clustering of galaxy clusters is a powerful cosmological tool, which can help to break degeneracies between parameters when combined with other cosmological observables. We aim…

astro-ph.CO2023

SPT-SZ MCMF: An extension of the SPT-SZ catalog over the DES region

M. Klein, J. J. Mohr, S. Bocquet +104

We present an extension to a Sunyaev-Zel'dovich Effect (SZE) selected cluster catalog based on observations from the South Pole Telescope (SPT); this catalog extends to lower signa…

astro-ph.CO2023★ 1 cited

Mock data sets for the Eboss and DESI Lyman- forest surveys

Thomas Etourneau, Jean-Marc Le Goff, James Rich +32

We present a publicly-available code to generate sets of mock Lyman- (\lya) forest data that have realistic large-scale correlations including those due to the Baryonic Acoustic…

astro-ph.CO2023★ 8 cited

Euclid preparation. LII. Forecast impact of super-sample covariance on 3x2pt analysis with Euclid

Euclid Collaboration, D. Sciotti, S. Gouyou Beauchamps +221

Deviations from Gaussianity in the distribution of the fields probed by large-scale structure surveys generate additional terms in the data covariance matrix, increasing the uncert…

astro-ph.CO2023★ 8 cited

Field-level simulation-based inference with galaxy catalogs: the impact of systematic effects

Natalí S. M. de Santi, Francisco Villaescusa-Navarro, L. Raul Abramo +11

It has been recently shown that a powerful way to constrain cosmological parameters from galaxy redshift surveys is to train graph neural networks to perform field-level likelihood…

astro-ph.CO2023★ 11 cited

Simulations of galaxy cluster mergers with velocity-dependent, rare and frequent self-interactions

V. M. Sabarish, Marcus Brüggen, Kai Schmidt-Hoberg +2

Self-interacting dark matter (SIDM) has been proposed to solve small-scale problems in CDM cosmology. In previous work, constraints on the self-interaction cross-section of dark…

astro-ph.CO2023★ 23 cited

Cosmological and idealized simulations of dark matter haloes with velocity-dependent, rare and frequent self-interactions

Moritz S. Fischer, Lenard Kasselmann, Marcus Brüggen +5

Dark matter self-interactions may have the capability to solve or at least mitigate small-scale problems of the cosmological standard model, Lambda Cold Dark Matter. There are a va…

astro-ph.CO2023★ 7 cited

A theoretical view of the T-web statistical description of the cosmic web

Emma Ayçoberry, Alexandre Barthelemy, Sandrine Codis

The classification of the cosmic web into different environments is both a tool to study in more detail the formation of halos and galaxies via the link between their properties an…

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★ 27 cited

Euclid: The search for primordial features

M. Ballardini, Y. Akrami, F. Finelli +126

Primordial features, in particular oscillatory signals, imprinted in the primordial power spectrum of density perturbations represent a clear window of opportunity for detecting ne…

astro-ph.CO2023★ 11 cited

DESI Complete Calibration of the Color-Redshift Relation (DC3R2): Results from early DESI data

J. McCullough, D. Gruen, A. Amon +46

We present initial results from the Dark Energy Spectroscopic Instrument (DESI) Complete Calibration of the Color-Redshift Relation (DC3R2) secondary target survey. Our analysis us…

astro-ph.CO2023★ 8 cited

Calibrating baryonic feedback with weak lensing and fast radio bursts

Robert Reischke, Dennis Neumann, Klara Antonia Bertmann +2

One of the key limitations of large-scale structure surveys of the current and future generation, such as Euclid, LSST-Rubin or Roman, is the influence of feedback processes on the…

astro-ph.CO2023★ 31 cited

KiDS-1000 cosmology: Combined second- and third-order shear statistics

Pierre A. Burger, Lucas Porth, Sven Heydenreich +9

This paper performs the first cosmological parameter analysis of the KiDS-1000 data with second- and third-order shear statistics. This work builds on a series of papers that descr…

astro-ph.CO2023★ 1 cited

RXCJ1111.6+4050 galaxy cluster: the observational evidence of a transitional fossil group

R. Barrena, G. Chon, H. Böhringer +2

We present a detailed kinematical and dynamical study of the galaxy cluster RXCJ1111.6+4050 (RXCJ1111), at z = 0.0756 using 104 new spectroscopic redshifts of galaxies observed at…

astro-ph.CO2023★ 2 cited

3D Correlations in the Lyman- Forest from Early DESI Data

Calum Gordon, Andrei Cuceu, Jonás Chaves-Montero +56

We present the first measurements of Lyman- (Ly) forest correlations using early data from the Dark Energy Spectroscopic Instrument (DESI). We measure the auto-correlation of…

astro-ph.CO2023★ 16 cited

CLASH-VLT: The inner slope of the MACS J1206.2-0847 dark matter density profile

A. Biviano, L. Pizzuti, A. Mercurio +7

The inner slope (gammadm) of the dark matter (DM) density profile of cosmological halos carries information about the properties of DM and/or baryonic processes affecting the halo…