Search Results - "Peel, Austin"

Sparse Reconstruction of the Merging A520 Cluster System by Peel, Austin, Lanusse, François, Starck, Jean-Luc

“…Merging galaxy clusters present a unique opportunity to study the properties of dark matter in an astrophysical context. These are rare and extreme cosmic…”
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The impact of baryonic physics and massive neutrinos on weak lensing peak statistics by Fong, Matthew, Choi, Miyoung, Catlett, Victoria, Lee, Brandyn, Peel, Austin, Bowyer, Rachel, King, Lindsay J, McCarthy, Ian G

“…ABSTRACT We study the impact of baryonic processes and massive neutrinos on weak lensing peak statistics that can be used to constrain cosmological parameters…”
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JAX-COSMO: An End-to-End Differentiable and GPU Accelerated Cosmology Library by Campagne, Jean-Eric, Lanusse, François, Zuntz, Joe, Boucaud, Alexandre, Casas, Santiago, Karamanis, Minas, Kirkby, David, Lanzieri, Denise, Peel, Austin, Li, Yin

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Growth of structure in the Szekeres class-II inhomogeneous cosmological models and the matter-dominated era by Ishak, Mustapha, Peel, Austin

“…This study belongs to a series devoted to using the Szekeres inhomogeneous models in order to develop a theoretical framework where cosmological observations…”
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On the dissection of degenerate cosmologies with machine learning by Merten, Julian, Giocoli, Carlo, Baldi, Marco, Meneghetti, Massimo, Peel, Austin, Lalande, Florian, Starck, Jean-Luc, Pettorino, Valeria

“…Based on the dustgrain-pathfinder suite of simulations, we investigate observational degeneracies between nine models of modified gravity and massive…”
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Large-scale growth evolution in the Szekeres inhomogeneous cosmological models with comparison to growth data by Peel, Austin, Ishak, Mustapha, Troxel, M. A.

“…We use the Szekeres inhomogeneous cosmological models to study the growth of large-scale structure in the universe including nonzero spatial curvature and a…”
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Stringent restriction from the growth of large-scale structure on apparent acceleration in inhomogeneous cosmological models by Ishak, Mustapha, Peel, Austin, Troxel, M A

“…Probes of cosmic expansion constitute the main basis for arguments to support or refute a possible apparent acceleration due to different expansion rates in…”
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JAX-COSMO: An End-to-End Differentiable and GPU Accelerated Cosmology Library by Jean-Eric Campagne, François Lanusse, Joe Zuntz, Alexandre Boucaud, Santiago Casas, Minas Karamanis, David Kirkby, Denise Lanzieri, Austin Peel, Yin Li

“…We present jax-cosmo, a library for automatically differentiable cosmological theory calculations. It uses the JAX library, which has created a new coding…”
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Investigating inhomogeneous Szekeres models and their applications to precision cosmology by Peel, Austin Chandler

“…Exact solutions of Einstein's field equations that can describe the evolution of complex structures in the universe provide complementary frameworks to…”
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Modeling lens potentials with continuous neural fields in galaxy-scale strong lenses by Biggio, Luca, Vernardos, Georgios, Galan, Aymeric, Peel, Austin

“…Strong gravitational lensing is a unique observational tool for studying the dark and luminous mass distribution both within and between galaxies. Given the…”
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Using wavelets to capture deviations from smoothness in galaxy-scale strong lenses by Galan, Aymeric, Vernardos, Georgios, Peel, Austin, Courbin, Frédéric, Starck, Jean-Luc

“…A&A 668, A155 (2022) Modeling the mass distribution of galaxy-scale strong gravitational lenses is a task of increasing difficulty. The high-resolution and…”
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JAX-COSMO: An End-to-End Differentiable and GPU Accelerated Cosmology Library by Campagne, Jean-Eric, Lanusse, François, Zuntz, Joe, Boucaud, Alexandre, Casas, Santiago, Karamanis, Minas, Kirkby, David, Lanzieri, Denise, Li, Yin, Peel, Austin

“…We present jax-cosmo, a library for automatically differentiable cosmological theory calculations. It uses the JAX library, which has created a new coding…”
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Effect of inhomogeneities on high precision measurements of cosmological distances by Peel, Austin, Troxel, M. A., Ishak, Mustapha

“…We study effects of inhomogeneities on distance measures in an exact relativistic Swiss-cheese model of the Universe, focusing on the distance modulus. The…”
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Constraining neutrino masses with weak-lensing multiscale peak counts by Ajani, Virginia, Peel, Austin, Pettorino, Valeria, Starck, Jean-Luc, Li, Zack, Liu, Jia

“…Phys. Rev. D 102, 103531, (2020) Massive neutrinos influence the background evolution of the Universe as well as the growth of structure. Being able to model…”
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Sparse reconstruction of the merging A520 cluster system by Peel, Austin, Lanusse, François, Starck, Jean-Luc

“…Merging galaxy clusters present a unique opportunity to study the properties of dark matter in an astrophysical context. These are rare and extreme cosmic…”
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Lightweight HI source finding for next generation radio surveys by Tolley, Emma, Korber, Damien, Galan, Aymeric, Peel, Austin, Sargent, Mark T, Kneib, Jean-Paul, Courbin, Frederic, Starck, Jean-Luc

“…Future deep HI surveys will be essential for understanding the nature of galaxies and the content of the Universe. However, the large volume of these data will…”
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The growth of structure in the Szekeres inhomogeneous cosmological models and the matter-dominated era by Ishak, Mustapha, Peel, Austin

“…Phys. Rev. D85, 083502, 2012 This study belongs to a series devoted to using Szekeres inhomogeneous models to develop a theoretical framework where…”
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Erratum: Effect of inhomogeneities on high precision measurements of cosmological distances [Phys. Rev. D 90 , 123536 (2014)] by Peel, Austin, Troxel, M. A., Ishak, Mustapha

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The impact of baryonic physics and massive neutrinos on weak lensing peak statistics by Fong, Matthew, Choi, Miyoung, Catlett, Victoria, Lee, Brandyn, Peel, Austin, Bowyer, Rachel, King, Lindsay J, McCarthy, Ian G

“…MNRAS 488 (2019) 3340 We study the impact of baryonic processes and massive neutrinos on weak lensing peak statistics that can be used to constrain…”
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Breaking degeneracies in modified gravity with higher (than 2nd) order weak-lensing statistics by Peel, Austin, Pettorino, Valeria, Giocoli, Carlo, Starck, Jean-Luc, Baldi, Marco

“…A&A 619, A38 (2018) General relativity (GR) has been well tested up to solar system scales, but it is much less certain that standard gravity remains an…”
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