Results 11 to 20 of about 19,799 (306)
Magnetic Fields in the Large-Scale Structure of the Universe [PDF]
Space Science Reviews, 2011 Accepted for publication in Space Science Reviews.
Ryu, D. +4 more
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The Astrophysical Journal, 2023 We present two new diagnostics based on the intrinsic shape alignments of group/cluster size dark matter halos to disentangle the effect of f ( R ) gravity from that of massive neutrinos.
Jounghun Lee, Suho Ryu, Marco Baldi
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The Galaxy Number Density Profile of Halos
The Astrophysical Journal, 2023 More precise measurements of galaxy clustering will be provided by the next generation of galaxy surveys, such as DESI, WALLABY, and the Square Kilometre Array.
Fei Qin +3 more
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Voids and the large-scale structure of the Universe [PDF]
, 2022 The Cosmic Web describes the distribution of matter on the largest scales of the Universe. It is composed of dense regions full of galaxies, long filamentary structures and low density voids. In this thesis we introduce the Cosmic Web and we focus on the
Picciano, Valentina
core
Reoriented Memory of Galaxy Spins for the Early Universe
The Astrophysical Journal, 2023 Galaxy spins are believed to retain the initially acquired tendency of being aligned with the intermediate principal axis of the linear tidal field, which disseminates the prospect of using them as a probe of early universe physics. This roseate prospect,
Jun-Sung Moon, Jounghun Lee
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Large-scale filamentary structure of the Universe [PDF]
, 2021 Using large-scale structure as a probe of cosmology and structure formation has become increasingly popular with the current and upcoming large deep surveys. Guided by numerical simulations and theoretical prediction, analysis of large-scale structure
Xia, Qianli
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An Observed Transition of Galaxy Spins on Void Surfaces
The Astrophysical Journal Letters, 2023 In linear theory, the galaxy angular momentum vectors that originate from initial tidal interactions with surrounding matter distribution intrinsically develop perpendicular alignments with the directions of maximum matter compression, regardless of ...
Jounghun Lee, Jun-Sung Moon
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Regularity of the Large-Scale Structure of the Universe [PDF]
Symposium - International Astronomical Union, 1999 The observed structure of the Universe is hierarchical. Galaxies and clusters of galaxies are concentrated within elongated filamentary chains of various richness. High-density regions of the Universe form superclusters consisting of one or several clusters of galaxies and chains of galaxies surrounding and joining clusters. The space between filaments
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Cosmology with inhomogeneous magnetic fields [PDF]
, 2007 We review spacetime dynamics in the presence of large-scale electromagnetic fields and then consider the effects of the magnetic component on perturbations to a spatially homogeneous and isotropic universe.
Roy Maartens +5 more
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Prospects for 21 cm Galaxy Cross-correlations with HERA and the Roman High-latitude Survey
The Astrophysical Journal, 2023 The cross-correlation between the 21 cm field and the galaxy distribution is a potential probe of the Epoch of Reionization (EoR). The 21 cm signal traces neutral gas in the intergalactic medium and, on large spatial scales, this should be anticorrelated
Paul La Plante +4 more
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