1.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Trieste Astronomical ObservatoryIT826 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di TriesteIT688 papers
- Scuola Internazionale Superiore di Studi AvanzatiIT606 papers
- University of TriesteIT516 papers
- Centre National de la Recherche ScientifiqueFR476 papers
- Ludwig-Maximilians-Universität MünchenDE400 papers
- Instituto de Astrofísica de CanariasES360 papers
- Max Planck Institute for Extraterrestrial PhysicsDE350 papers
- University College LondonGB348 papers
- Institute for High Energy PhysicsES346 papers
- Universidad de La LagunaES335 papers
- Institut d'Astrophysique de ParisFR332 papers
86 papers · 2 filters
Sources of -tensions in dark energy scenarios
Balakrishna S. Haridasu, Matteo Viel, Nicola Vittorio
By focusing on the simple extension to CDM, we assess which epoch(s) possibly source the -tension. We consider Cosmic Microwave Background (CMB) data in three pos…
Dark Energy Survey Year 3 Results: Clustering Redshifts -- Calibration of the Weak Lensing Source Redshift Distributions with redMaGiC and BOSS/eBOSS
M. Gatti, G. Giannini, G. M. Bernstein +94
We present the calibration of the Dark Energy Survey Year 3 (DES Y3) weak lensing source galaxy redshift distributions from clustering measurements. In particular, we cross-…
The Dark Energy Survey Supernova Program: Modelling selection efficiency and observed core collapse supernova contamination
M. Vincenzi, M. Sullivan, O. Graur +79
The analysis of current and future cosmological surveys of type Ia supernovae (SNe Ia) at high-redshift depends on the accurate photometric classification of the SN events detected…
The evolution of the low-density HI intergalactic medium from z=3.6 to 0: Data, transmitted flux and HI column density
Tae-Sun Kim, Bart P. Wakker, Fahad Nasir +8
We present a new, uniform analysis of the HI transmitted flux (F) and HI column density (N(HI)) distribution in the low-density IGM as a function of redshift z for 0<z<3.6 using 55…
Dark Energy Survey Year 3 Results: Calibration of Lens Sample Redshift Distributions using Clustering Redshifts with BOSS/eBOSS
R. Cawthon, J. Elvin-Poole, A. Porredon +83
We present clustering redshift measurements for Dark Energy Survey (DES) lens sample galaxies to be used in weak gravitational lensing and galaxy clustering studies. To perform thi…
Dark Energy Survey Year 3 Results: Measuring the Survey Transfer Function with Balrog
S. Everett, B. Yanny, N. Kuropatkin +97
We describe an updated calibration and diagnostic framework, Balrog, used to directly sample the selection and photometric biases of the Dark Energy Survey's (DES) Year 3 (Y3) data…
Dark Energy Survey Year 3 Results: Deep Field Optical + Near-Infrared Images and Catalogue
W. G. Hartley, A. Choi, A. Amon +115
We describe the Dark Energy Survey (DES) Deep Fields, a set of images and associated multi-wavelength catalogue () built from Dark Energy Camera (DECam) and Visible and…
N-body simulations of dark matter with frequent self-interactions
Moritz S. Fischer, Marcus Brüggen, Kai Schmidt-Hoberg +4
Self-interacting dark matter (SIDM) models have the potential to solve the small-scale problems that arise in the cold dark matter paradigm. Simulations are a powerful tool for stu…
Impact of baryons in cosmic shear analyses with tomographic aperture mass statistics
Nicolas Martinet, Tiago Castro, Joachim Harnois-Déraps +3
NonGaussian cosmic shear statistics based on weak-lensing aperture mass () maps can outperform the classical shear two-point correlation function (-2PCF) in terms of…
Assessing tension metrics with Dark Energy Survey and Planck data
P. Lemos, M. Raveri, A. Campos +103
Quantifying tensions -- inconsistencies amongst measurements of cosmological parameters by different experiments -- has emerged as a crucial part of modern cosmological data analys…
Dark Energy Survey Year 3 Results: Covariance Modelling and its Impact on Parameter Estimation and Quality of Fit
O. Friedrich, F. Andrade-Oliveira, H. Camacho +109
We describe and test the fiducial covariance matrix model for the combined 2-point function analysis of the Dark Energy Survey Year 3 (DES-Y3) dataset. Using a variety of new ansat…
DES Y3 results: Blending shear and redshift biases in image simulations
N. MacCrann, M. R. Becker, J. McCullough +93
As the statistical power of galaxy weak lensing reaches percent level precision, large, realistic and robust simulations are required to calibrate observational systematics, especi…
Dark Energy Survey Year 3 Results: Redshift Calibration of the Weak Lensing Source Galaxies
J. Myles, A. Alarcon, A. Amon +105
Determining the distribution of redshifts of galaxies observed by wide-field photometric experiments like the Dark Energy Survey is an essential component to mapping the matter den…
Cosmic Shear Cosmology Beyond 2-Point Statistics: A Combined Peak Count and Correlation Function Analysis of DES-Y1
Joachim Harnois-Déraps, Nicolas Martinet, Tiago Castro +5
We constrain cosmological parameters from a joint cosmic shear analysis of peak-counts and the two-point shear correlation functions, as measured from the Dark Energy Survey (DES-Y…
Primordial Non-Gaussianity from Biased Tracers: Likelihood Analysis of Real-Space Power Spectrum and Bispectrum
Azadeh Moradinezhad Dizgah, Matteo Biagetti, Emiliano Sefusatti +2
Upcoming galaxy redshift surveys promise to significantly improve current limits on primordial non-Gaussianity (PNG) through measurements of 2- and 3-point correlation functions in…
HI intensity mapping with MeerKAT: Calibration pipeline for multi-dish autocorrelation observations
Jingying Wang, Mario G. Santos, Philip Bull +10
While most purpose-built 21cm intensity mapping experiments are close-packed interferometer arrays, general-purpose dish arrays should also be capable of measuring the cosmological…
A model-independent reconstruction of dark sector interactions
Rodrigo von Marttens, Javier E. Gonzalez, Jailson Alcaniz +2
Relaxing the conventional assumption of a minimal coupling between the dark matter (DM) and dark energy (DE) fields introduces significant changes in the predicted evolution of the…
Hi intensity mapping with MeerKAT: Primary beam effects on foreground cleaning
Siyambonga D. Matshawule, Marta Spinelli, Mario G. Santos +1
Upcoming and future neutral hydrogen Intensity Mapping surveys offer a great opportunity to constrain cosmology in the post-reionization Universe, provided a good accuracy is achie…
The Three Hundred Project: Dynamical state of galaxy clusters and morphology from multi-wavelength synthetic maps
Federico De Luca, Marco De Petris, Gustavo Yepes +3
We study the connection between morphology and dynamical state of the simulated galaxy clusters in from THE THREE HUNDRED Project. We quantify cluster dynamical sta…
Spectroscopic Quantification of Projection Effects in the SDSS redMaPPer Galaxy Cluster Catalogue
J. Myles, D. Gruen, A. B. Mantz +12
Projection effects, whereby galaxies along the line-of-sight to a galaxy cluster are mistakenly associated with the cluster halo, present a significant challenge for optical cluste…
Consistency of cosmic shear analyses in harmonic and real space
C. Doux, C. Chang, B. Jain +67
Recent cosmic shear studies have reported discrepancies of up to on the parameter between the analysis of shear power spectra and two-point…
Cosmology dependency of halo masses and concentrations in hydrodynamic simulations
Antonio Ragagnin, Alexandro Saro, Priyanka Singh +1
We employ a set of Magneticum cosmological hydrodynamic simulations that span over different cosmologies, and extract masses and concentrations of all well-resolved haloes bet…
Constraints on dark matter to dark radiation conversion in the late universe with DES-Y1 and external data
Angela Chen, Dragan Huterer, Sujeong Lee +81
We study a phenomenological class of models where dark matter converts to dark radiation in the low redshift epoch. This class of models, dubbed DMDR, characterizes the evolution o…
Dark Energy Survey Year 3 Results: Optimizing the Lens Sample in Combined Galaxy Clustering and Galaxy-Galaxy Lensing Analysis
A. Porredon, M. Crocce, P. Fosalba +77
We investigate potential gains in cosmological constraints from the combination of galaxy clustering and galaxy-galaxy lensing by optimizing the lens galaxy sample selection using…