output
20182026
most citedDark Energy Survey Year 3 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

1.2k citations

Showing 2024Show all

130 papers · 1 filter

astro-ph.CO2024★ 8 cited

How the cool-core population transitions from galaxy groups to massive clusters: A comparison of the largest Magneticum simulation with eROSITA, XMM-Newton, Chandra and LOFAR observations

Justo Antonio Gonzalez Villalba, Klaus Dolag, Veronica Biffi

Our aim is to understand how the interplay between AGN feedback and merge processes can effectively turn cool-core galaxy clusters into hot-core clusters in the modern universe. Ad…

astro-ph.CO2024★ 2 cited

Euclid: Field-level inference of primordial non-Gaussianity and cosmic initial conditions

A. Andrews, J. Jasche, G. Lavaux +147

A primary target of the \Euclid space mission is to constrain early-universe physics by searching for deviations from a primordial Gaussian random field. A significant detection of…

gr-qc2024★ 1 cited

A Relativistic Tensorial Model for Fractional Interaction between Dark Matter and Gravity

Francesco Benetti, Andrea Lapi, Samuele Silveravalle +5

In a series of recent papers it was shown that several aspects of Dark Matter (DM) phenomenology, such as the velocity profiles of individual dwarfs and spiral galaxies, the scalin…

astro-ph.GA2024★ 4 cited

Yields from massive stars in binaries. Chemical evolution of the Milky Way disk

E. Pepe, M. Palla, F. Matteucci +1

A large fraction of massive stars in the Galaxy reside in binary systems and their evolution is different from that of single stars. The yields of massive stars, which are the main…

gr-qc2024★ 2 cited

Ultra-compact Objects of Non-minimally Coupled Dark Matter

Francesco Benetti, Andrea Lapi, Samuele Silveravalle +1

In the framework of a collisionless dark matter fluid which is non-minimally coupled to gravity, we investigate the existence and properties of static, spherically symmetric soluti…

astro-ph.GA2024★ 10 cited

Average X-ray properties of galaxy groups. From Milky Way-like halos to massive clusters

P. Popesso, I. Marini, K. Dolag +20

This study examines the average X-ray properties of massive halos at z< 0.2, covering the largest halo mass range to date, from Milky Way-like halos to massive clusters. The analys…

astro-ph.GA2024★ 11 cited

The hot gas mass fraction in halos. From Milky Way-like groups to massive clusters

P. Popesso, A. Biviano, I. Marini +21

By using eROSITA data in the eFEDS area, we provide a measure of the hot gas fraction vs. halo mass relation over the largest halo mass range, from Milky Way-sized halos to massive…

astro-ph.GA2024★ 7 cited

The perils of stacking optically selected groups in eROSITA data. The Magneticum perspective

P. Popesso, I. Marini, K. Dolag +23

Hydrodynamical simulation predictions are often compared with observational data without fully accounting for systematics and biases specific to observational techniques. Using the…

hep-th2024★ 11 cited

Visions in Quantum Gravity

Luca Buoninfante, Benjamin Knorr, K. Sravan Kumar +36

To deepen our understanding of Quantum Gravity and its connections with black holes and cosmology, building a common language and exchanging ideas across different approaches is cr…

astro-ph.CO2024★ 12 cited

Hydrogen intensity mapping with MeerKAT: Preserving cosmological signal by optimising contaminant separation

Isabella P. Carucci, José L. Bernal, Steven Cunnington +9

Removing contaminants is a delicate, yet crucial step in neutral hydrogen (HI) intensity mapping and often considered the technique's greatest challenge. Here, we address this chal…

astro-ph.GA2024★ 20 cited

High N/O ratio at high redshift as a result of a strong burst of star formation and differential galactic winds

F. Rizzuti, F. Matteucci, P. Molaro +2

Recent observations by JWST have revealed supersolar N abundances in galaxies at very high redshift. On the other hand, these galaxies show subsolar metallicity. The observe…

astro-ph.CO2024★ 4 cited

Measuring our peculiar velocity from spectroscopic redshift surveys

Mohamed Yousry Elkhashab, Cristiano Porciani, Daniele Bertacca

Our peculiar velocity imprints a dipole on galaxy density maps derived from redshift surveys. The dipole gives rise to an oscillatory signal in the multipole moments of the observe…

astro-ph.GA2024★ 12 cited

Molecular gas and dust properties in quasar hosts

Francesco Salvestrini, Chiara Feruglio, Roberta Tripodi +12

Observational campaigns hunting the elusive reservoirs of cold gas in the host galaxies of quasars at the epoch of reionization (EoR) are crucial for studying the formation and evo…

astro-ph.GA2024★ 14 cited

Detecting clusters and groups of galaxies populating the local Universe in large optical spectroscopic surveys

I. Marini, P. Popesso, K. Dolag +13

Wide-field cosmological surveys provide hundreds of thousands of spectroscopically confirmed galaxy groups and clusters, valuable for tracing baryonic matter distribution. However,…

astro-ph.CO2024★ 187 cited

DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements

DESI Collaboration, A. G. Adame, J. Aguilar +210

We present cosmological results from the measurement of clustering of galaxy, quasar and Lyman- forest tracers from the first year of observations with the Dark Energy Spectrosc…

astro-ph.GA2024★ 11 cited

SDSS J102915.14+172927.9: Revisiting the chemical pattern

E. Caffau, P. Bonifacio, L. Monaco +7

Context: The small- to intermediate-mass (), most metal-poor stars that formed in the infancy of the Universe are still shining today in the sky. They are very rare…

astro-ph.CO2024★ 81 cited

DESI 2024 II: Sample Definitions, Characteristics, and Two-point Clustering Statistics

DESI Collaboration, A. G. Adame, J. Aguilar +200

We present the samples of galaxies and quasars used for DESI 2024 cosmological analyses, drawn from the DESI Data Release 1 (DR1). We describe the construction of large-scale struc…

astro-ph.SR2024★ 1 cited

Euclid: High-precision imaging astrometry and photometry from Early Release Observations. I. Internal kinematics of NGC 6397 by combining Euclid and Gaia data

M. Libralato, L. R. Bedin, M. Griggio +175

The instruments at the focus of the Euclid space observatory offer superb, diffraction-limited imaging over an unprecedented (from space) wide field of view of 0.57 deg. This e…

gr-qc2024★ 3 cited

Beyond Buchdahl's limit: bilayered stars and thin-shell configurations

Julio Arrechea, Carlos Barceló, Gerardo García-Moreno +1

One of the theoretical motivations behind the belief that black holes as described by general relativity exist in nature is that it is hard to find matter configurations that mimic…

astro-ph.CO2024★ 73 cited

DESI 2024 V: Full-Shape Galaxy Clustering from Galaxies and Quasars

A. G. Adame, J. Aguilar, S. Ahlen +195

We present the measurements and cosmological implications of the galaxy two-point clustering using over 4.7 million unique galaxy and quasar redshifts in the range divi…

astro-ph.GA2024★ 6 cited

HYPERION: broad-band X-ray-to-near-infrared emission of Quasars in the first billion years of the Universe

I. Saccheo, A. Bongiorno, E. Piconcelli +41

We aim at characterizing the X-ray-to-optical/near-infrared broad-band emission of luminous QSOs in the first Gyr of cosmic evolution to understand whether they exhibit differences…

astro-ph.CO2024★ 1 cited

Spherical bias on the 3D reconstruction of the ICM density profile in galaxy clusters

I. Veronesi, I. Bartalucci, E. Rasia +9

X-ray observations of galaxy clusters are routinely used to derive radial distributions of ICM thermdynamical properties such as density and temperature. However, observations allo…

astro-ph.CO2024★ 5 cited

CLASH-VLT: Galaxy cluster MACS J0329-0211 and its surroundings using galaxies as kinematic tracers

M. Girardi, W. Boschin, A. Mercurio +9

We aim to gain new insights into the controversial dynamical status of MACS J0329-0211 (MACS0329), a massive cluster at z=0.4503, with a new analysis using a large sample of member…

hep-th2024

Surface observables in gauge theories, modular Painlevé tau functions and non-perturbative topological strings

Giulio Bonelli, Pavlo Gavrylenko, Ideal Majtara +1

We study BPS surface observables of four dimensional gauge theory in gravitational -background at perturbative and at Argyres-Douglas superconformal fixe…