Publications (58)
Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances and Weak Lensing
DES Collaboration, Tim Abbott, Michel Aguena +129
We perform a joint analysis of the counts and weak lensing signal of redMaPPer clusters selected from the Dark Energy Survey (DES) Year 1 dataset. Our analysis uses the same shear…
New catalogue of dark-matter halo properties identified in MICE-GC -- I. Analysis of density profile distributions
Elizabeth J. Gonzalez, Kai Hoffmann, Diego R. GarcÃa Lambas +10
Constraints on dark matter halo masses from weak gravitational lensing can be improved significantly by using additional information about the morphology of their density distribut…
Constructing Regularized Cosmic Propagators
Francis Bernardeau, Martin Crocce, Roman Scoccimarro
We present a new scheme for the general computation of cosmic propagators that allow to interpolate between standard perturbative results at low-k and their expected large-k resumm…
COMET: Clustering Observables Modelled by Emulated perturbation Theory
Alexander Eggemeier, Benjamin Camacho-Quevedo, Andrea Pezzotta +3
In this paper we present COMET, a Gaussian process emulator of the galaxy power spectrum multipoles in redshift-space. The model predictions are based on one-loop perturbation theo…
Cosmology and the Bispectrum
Emiliano Sefusatti, Martin Crocce, Sebastian Pueblas +1
The present spatial distribution of galaxies in the Universe is non-Gaussian, with 40% skewness in 50 Mpc/h spheres, and remarkably little is known about the information encoded in…
Accurate Estimators of Correlation Functions in Fourier Space
Emiliano Sefusatti, Martin Crocce, Roman Scoccimarro +1
Efficient estimators of Fourier-space statistics for large number of objects rely on Fast Fourier Transforms (FFTs), which are affected by aliasing from unresolved small scale mode…
Clustering of photometric luminous red galaxies I : Growth of Structure and Baryon Acoustic Feature
Martin Crocce, Enrique Gaztanaga, Anna Cabre +2
The possibility of measuring redshift space (RSD) distortions using photometric data have been recently highlighted. This effect complements and significantly alters the detectabil…
On the radiative efficiencies, Eddington ratios, and duty cycles of luminous high-redshift quasars
Francesco Shankar, Martin Crocce, Jordi Miralda-Escude' +2
We investigate the characteristic radiative efficiency ε, Eddington ratio λ, and duty cycle P_0 of high-redshift active galactic nuclei (AGN), drawing on measurements of the AGN…
ICE-COLA: Towards fast and accurate synthetic galaxy catalogues optimizing a quasi -body method
Albert Izard, Martin Crocce, Pablo Fosalba
Next generation galaxy surveys demand the development of massive ensembles of galaxy mocks to model the observables and their covariances, what is computationally prohibitive using…
Redshift-space distortions from the cross-correlation of photometric populations
Jacobo Asorey, Martin Crocce, Enrique Gaztanaga
Several papers have recently highlighted the possibility of measuring redshift space distortions from angular auto-correlations of galaxies in photometric redshift bins. In this wo…
cloelib: A Flexible Python Library for Computing Cosmological Observables in the Euclid Era
Marco Bonici, Guadalupe Cañas-Herrera, Pedro Carrilho +54
cloelib is a Python library developed to compute cosmological observables within the Cosmology Likelihood for Observables in Euclid (CLOE) ecosystem (cloe-org). As cosmology enters…
Modeling spatially-resolved galactic H emission for galaxy clustering
Ivan Rapoport, Vincent Desjacques, Gabriele Parimbelli +2
Near-infrared spectroscopic surveys target high-redshift emission-line galaxies (ELGs) to probe cosmological scenarios. Understanding the clustering properties of ELGs is essential…
Comparing approximate methods for mock catalogues and covariance matrices II: Power spectrum multipoles
Linda Blot, Martin Crocce, Emiliano Sefusatti +19
We study the accuracy of several approximate methods for gravitational dynamics in terms of halo power spectrum multipoles and their estimated covariance matrix. We propagate the d…
The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: Angular clustering tomography and its cosmological implications
Salvador Salazar-Albornoz, Ariel G. Sanchez, Jan Niklas Grieb +17
We investigate the cosmological implications of studying galaxy clustering using a tomographic approach applied to the final BOSS DR12 galaxy sample, including both auto- and cross…
Clustering with general photo- uncertainties: Application to Baryon Acoustic Oscillations
Kwan Chuen Chan, Ismael Ferrero, Santiago Avila +3
Photometric data can be analyzed using the three-dimensional correlation function to extract cosmological information via e.g., measurement of the Baryon Acoustic Osci…
Testing one-loop galaxy bias: Power spectrum
Alexander Eggemeier, Román Scoccimarro, Martin Crocce +2
We test the regime of validity of one-loop galaxy bias for a wide variety of biased tracers. Our most stringent test asks the bias model to simultaneously match the galaxy-galaxy a…
Testing one-loop galaxy bias: joint analysis of power spectrum and bispectrum
Alexander Eggemeier, Román Scoccimarro, Robert E. Smith +3
We present a joint likelihood analysis of the real-space power spectrum and bispectrum measured from a variety of halo and galaxy mock catalogs. A novel aspect of this work is the…
Beyond CDM constraints from the full shape clustering measurements from BOSS and eBOSS
Agne Semenaite, Ariel G. Sánchez, Andrea Pezzotta +7
We analyse the full shape of anisotropic clustering measurements from the extended Baryon Oscillation Spectroscopic survey (eBOSS) quasar sample together with the combined galaxy s…
Testing one-loop galaxy bias: cosmological constraints from the power spectrum
Andrea Pezzotta, Martin Crocce, Alexander Eggemeier +2
We investigate the impact of different assumptions in the modeling of one-loop galaxy bias on the recovery of cosmological parameters, as a follow up of the analysis done in the fi…
Testing the consistency of three-point halo clustering in Fourier and configuration space
Kai Hoffmann, Enrique Gaztanaga, Roman Scoccimarro +1
We compare reduced three-point correlations of matter, haloes (as proxies for galaxies) and their cross correlations, measured in a total simulated volume of $\sim100 \ (h^{-1}…
nIFTy Cosmology: Galaxy/halo mock catalogue comparison project on clustering statistics
Chia-Hsun Chuang, Cheng Zhao, Francisco Prada +21
We present a comparison of major methodologies of fast generating mock halo or galaxy catalogues. The comparison is done for two-point and the three-point clustering statistics. Th…
Measuring Redshift-Space Distortions using Photometric Surveys
Ashley J Ross, Will J Percival, Martin Crocce +2
We outline how redshift-space distortions (RSD) can be measured from the angular correlation function w(θ), of galaxies selected from photometric surveys. The natural degeneracy b…
Resonant photon creation in a three dimensional oscillating cavity
Martin Crocce, Diego A. R. Dalvit, Francisco D. Mazzitelli
We analyze the problem of photon creation inside a perfectly conducting, rectangular, three dimensional cavity with one oscillating wall. For some particular values of the frequenc…
Multi-Point Propagators for Non-Gaussian Initial Conditions
Francis Bernardeau, Martin Crocce, Emiliano Sefusatti
We show here how Renormalized Perturbation Theory (RPT) calculations applied to the quasi-linear growth of the large-scale structure can be carried on in presence of primordial non…
Modeling scale-dependent bias on the baryonic acoustic scale with the statistics of peaks of Gaussian random fields
Vincent Desjacques, Martin Crocce, Roman Scoccimarro +1
Models of galaxy and halo clustering commonly assume that the tracers can be treated as a continuous field locally biased with respect to the underlying mass distribution. In the p…
The Halo Bispectrum in N-body Simulations with non-Gaussian Initial Conditions
Emiliano Sefusatti, Martin Crocce, Vincent Desjacques
We present measurements of the bispectrum of dark matter halos in numerical simulations with non-Gaussian initial conditions of the local type. We show, in the first place, that th…
Recovering 3D clustering information with angular correlations
Jacobo Asorey, Martin Crocce, Enrique Gaztanaga +1
We study how to recover the full 3D clustering information of P(\vec{k},z), including redshift space distortions (RSD), from 2D tomography using the angular auto and cross spectra…
Simulating the Universe with MICE: The abundance of massive clusters
Martin Crocce, Pablo Fosalba, Francisco J. Castander +1
We introduce a new set of large N-body runs, the MICE simulations, that provide a unique combination of very large cosmological volumes with good mass resolution. They follow the g…
The DESI Experiment Part II: Instrument Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift…
Cosmological implications of the full shape of anisotropic clustering measurements in BOSS and eBOSS
Agne Semenaite, Ariel G. Sánchez, Andrea Pezzotta +10
We present the analysis of the full shape of anisotropic clustering measurement from the extended Baryon Oscillation Spectroscopic Survey (eBOSS) quasar sample together with the co…
The Physics of the Accelerating Universe Camera
Cristobal Padilla, Francisco J. Castander, Alex Alarcon +30
The PAU (Physics of the Accelerating Universe) Survey goal is to obtain photometric redshifts (photo-z) and Spectral Energy Distribution (SED) of astronomical objects with a resolu…
Precision cosmology in muddy waters: Cosmological constraints and N-body codes
Robert E. Smith, Darren S. Reed, Doug Potter +3
Future large-scale structure surveys of the Universe will aim to constrain the cosmological model and the true nature of dark energy with unprecedented accuracy. In order for these…
Comparing approximate methods for mock catalogues and covariance matrices I: correlation function
Martha Lippich, Ariel G. Sánchez, Manuel Colavincenzo +19
This paper is the first in a set that analyses the covariance matrices of clustering statistics obtained from several approximate methods for gravitational structure formation. We…
Cosmology from large scale galaxy clustering and galaxy-galaxy lensing with Dark Energy Survey Science Verification data
Juliana Kwan, Carles Sanchez, Joseph Clampitt +80
We present cosmological constraints from the Dark Energy Survey (DES) using a combined analysis of angular clustering of red galaxies and their cross-correlation with weak gravitat…
Measuring the growth of matter fluctuations with third-order galaxy correlations
Kai Hoffmann, Julien Bel, Enrique Gaztanaga +3
Measurements of the linear growth factor at different redshifts are key to distinguish among cosmological models. One can estimate the derivative from red…
cloelike: A Python Library for Cosmological Likelihood Inference in the Euclid Era
Marco Bonici, Guadalupe Cañas-Herrera, Pedro Carrilho +16
cloelike is a Python package providing modular, composable Gaussian likelihood classes for the main cosmological large-scale structure observables targeted by the ESA Euclid space…
Modeling the angular correlation function and its full covariance in Photometric Galaxy Surveys
Martin Crocce, Anna Cabre, Enrique Gaztañaga
Near future cosmology will see the advent of wide area photometric galaxy surveys, like the Dark Energy Survey (DES), that extent to high redshifts (z ~ 1 - 2) but with poor radial…
Accurate dark matter halo elongation from weak-lensing stacking analysis
Elizabeth J. Gonzalez, Kai Hoffmann, Enrique Gaztañaga +5
Shape estimates that quantify the halo anisotropic mass distribution are valuable parameters that provide information on their assembly process and evolution. Measurements of the m…
The 6dF Galaxy Velocity Survey: Cosmological constraints from the velocity power spectrum
Andrew Johnson, Chris Blake, Jun Koda +10
We present scale-dependent measurements of the normalised growth rate of structure using only the peculiar motions of galaxies. We use data from the 6-degree Fiel…
MPTbreeze: A fast renormalized perturbative scheme
Martin Crocce, Roman Scoccimarro, Francis Bernardeau
We put forward and test a simple description of multi-point propagators (MP), which serve as building-blocks to calculate the nonlinear matter power spectrum. On large scales these…
The Matter Bispectrum in N-body Simulations with non-Gaussian Initial Conditions
Emiliano Sefusatti, Martin Crocce, Vincent Desjacques
We present measurements of the dark matter bispectrum in N-body simulations with non-Gaussian initial conditions of the local kind for a large variety of triangular configurations…
A new method to measure galaxy bias by combining the density and weak lensing fields
Arnau Pujol, Chihway Chang, Enrique Gaztañaga +9
We present a new method to measure the redshift-dependent galaxy bias by combining information from the galaxy density field and the weak lensing field. This method is based on Ama…
Multi-Point Propagators in Cosmological Gravitational Instability
Francis Bernardeau, Martin Crocce, Roman Scoccimarro
We introduce the concept of multi-point propagators between linear cosmic fields and their nonlinear counterparts in the context of cosmological perturbation theory. Such functions…
Hertz potentials approach to the dynamical Casimir effect in cylindrical cavities of arbitrary section
Martin Crocce, Diego A. R. Dalvit, Fernando C. Lombardo +1
We study the creation of photons in resonant cylindrical cavities with time dependent length. The physical degrees of freedom of the electromagnetic field are described using Hertz…
The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological implications of the configuration-space clustering wedges
Ariel G. Sanchez, Roman Scoccimarro, Martin Crocce +21
We explore the cosmological implications of anisotropic clustering measurements in configuration space of the final galaxy samples from Data Release 12 of the SDSS-III Baryon Oscil…
KiDS-1000 Cosmology: Multi-probe weak gravitational lensing and spectroscopic galaxy clustering constraints
Catherine Heymans, Tilman Tröster, Marika Asgari +31
We present a joint cosmological analysis of weak gravitational lensing observations from the Kilo-Degree Survey (KiDS-1000), with redshift-space galaxy clustering observations from…
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…
Optimized Clustering Estimators for BAO Measurements Accounting for Significant Redshift Uncertainty
Ashley J. Ross, Nilanjan Banik, Santiago Avila +8
We determine an optimized clustering statistic to be used for galaxy samples with significant redshift uncertainty, such as those that rely on photometric redshifts. To do so, we s…
ICE-COLA: fast simulations for weak lensing observables
Albert Izard, Pablo Fosalba, Martin Crocce
Approximate methods to full N-body simulations provide a fast and accurate solution to the development of mock catalogues for the modeling of galaxy clustering observables. In this…
Quantum electromagnetic field in a three dimensional oscillating cavity
Martin Crocce, Diego A. R. Dalvit, Francisco D. Mazzitelli
We compute the photon creation inside a perfectly conducting, three dimensional oscillating cavity, taking the polarization of the electromagnetic field into account. As the bounda…
Modeling Intrinsic Galaxy Alignment in the MICE Simulation
Kai Hoffmann, Lucas F. Secco, Jonathan Blazek +8
The intrinsic alignment (IA) of galaxies is potentially a major limitation in deriving cosmological constraints from weak lensing surveys. In order to investigate this effect we as…
Model for resonant photon creation in a cavity with time dependent conductivity
Martin Crocce, Diego A. R. Dalvit, Fernando C. Lombardo +1
In an electromagnetic cavity, photons can be created from the vacuum state by changing the cavity's properties with time. Using a simple model based on a massless scalar field, we…
Comparing approximate methods for mock catalogues and covariance matrices III: Bispectrum
Manuel Colavincenzo, Emiliano Sefusatti, Pierluigi Monaco +19
We compare the measurements of the bispectrum and the estimate of its covariance obtained from a set of different methods for the efficient generation of approximate dark matter ha…
Boosting galaxy clustering analyses with non-perturbative modelling of redshift-space distortions
Alexander Eggemeier, Nanoom Lee, Román Scoccimarro +4
Redshift-space distortions (RSD), caused by the peculiar velocities of galaxies, are a key modelling challenge in galaxy clustering analyses, limiting the scales from which cosmolo…
KiDS-1000 Cosmology: constraints beyond flat CDM
Tilman Tröster, Marika Asgari, Chris Blake +26
We present constraints on extensions to the flat CDM cosmological model by varying the spatial curvature , the sum of the neutrino masses , the dark energy equ…
The Buzzard Flock: Dark Energy Survey Synthetic Sky Catalogs
Joseph DeRose, Risa H. Wechsler, Matthew R. Becker +52
We present a suite of 18 synthetic sky catalogs designed to support science analysis of galaxies in the Dark Energy Survey Year 1 (DES Y1) data. For each catalog, we use a computat…
The DESI Experiment Part I: Science,Targeting, and Survey Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through…
Primordial non-Gaussianity with Angular correlation function: Integral constraint and validation for DES
Walter Riquelme, Santiago Avila, Juan Garcia-Bellido +17
Local primordial non-Gaussianity (PNG) is a promising observable of the underlying physics of inflation, characterised by . We present the methodology to meas…