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Related papers: The cosmic web in CosmoGrid void regions

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We investigate the formation, growth, merger history, movement, and destruction of cosmic voids detected via the watershed transform code VIDE in a cosmological N-body dark matter {\Lambda}CDM simulation. By adapting a method used to…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 P. M. Sutter , Pascal Elahi , Bridget Falck , Julian Onions , Nico Hamaus , Alexander Knebe , Chaichalit Srisawat , Aurel Schneider

Galaxies in the Universe are distributed in a web-like structure characterised by different large-scale environments: dense clusters, elongated filaments, sheetlike walls, and under-dense regions, called voids. The low density in voids is…

We analyze photometry from deep B-band images of 59 void galaxies in the Void Galaxy Survey (VGS), together with their near-infrared 3.6$\mu$m and 4.5$\mu$m Spitzer photometry. The VGS galaxies constitute a sample of void galaxies that were…

Modern cosmology predicts that matter in our Universe has assembled today into a vast network of filamentary structures colloquially termed the Cosmic Web. Because this matter is either electromagnetically invisible (i.e., dark) or too…

The role of the cosmic web in shaping galaxy properties is investigated in the GAMA spectroscopic survey in the redshift range $0.03 \leq z \leq 0.25$. The stellar mass, $u - r$ dust corrected colour and specific star formation rate (sSFR)…

Cosmic connectivity and multiplicity, i.e. the number of filaments globally or locally connected to a given cluster is a natural probe of the growth of structure and in particular of the nature of dark energy. It is also a critical…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-22 Sandrine Codis , Dmitri Pogosyan , Christophe Pichon

The large-scale structure of the universe is comprised of virialized blob-like clusters, linear filaments, sheet-like walls and huge near empty three-dimensional voids. Characterizing the large scale universe is essential to our…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-06 Nithin Shivshankar , Pratyush Pranav , Vijay Natarajan , Rien van de Weygaert , E G Patrick Bos , Steven Rieder

The network of filaments with embedded clusters surrounding voids seen in maps derived from redshift surveys and reproduced in simulations has been referred to as the cosmic web. A complementary description is provided by considering the…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-23 Daniel Pomarede , Yehuda Hoffman , Helene M Courtois , R. Brent Tully

We present, for the first time, a Local Universe (LU) characterization using high precision constrained $N$-body simulations based on self-consistent phase-space reconstructions of the large-scale structure in the Two-Micron All-Sky Galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2017-12-29 Sebastian E. Nuza , Francisco-Shu Kitaura , Steffen Hess , Noam I. Libeskind , Volker Mueller

Galaxies evolve within the intricate geometry of the cosmic web, yet the distinct roles of its primary components - nodes and filaments remain incompletely understood. Using the EAGLE cosmological hydrodynamical simulation, we investigate…

Astrophysics of Galaxies · Physics 2026-02-25 Suman Sarkar , Biswajit Pandey , Apashanka Das

We use a cosmological simulation of the formation of the Local Group of Galaxies to identify a mechanism that enables the removal of baryons from low-mass halos without appealing to feedback or reionization. As the Local Group forms, matter…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Alejandro Benitez-Llambay , Julio F. Navarro , Mario G. Abadi , Stefan Gottloeber , Gustavo Yepes , Yehuda Hoffman , Matthias Steinmetz

We explore the capability of deep learning to classify cosmic structures. In cosmological simulations, cosmic volumes are segmented into voids, sheets, filaments and knots, according to the distribution and kinematics of dark matter (DM),…

Astrophysics of Galaxies · Physics 2022-08-03 Shigeki Inoue , Xiaotian Si , Takashi Okamoto , Moka Nishigaki

Large galaxy redshift surveys have long been used to constrain cosmological models and structure formation scenarios. In particular, the largest structures discovered observationally are thought to carry critical information on the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Changbom Park , Yun-Young Choi , Juhan Kim , J. Richard Gott , Sungsoo S. Kim , Kap-Sung Kim

Large-scale structure of Universe includes galaxy clusters connected by filaments. Voids occupy the rest of cosmic volume. The search of any dependencities in filament structure can give answer to more general questions about origin of…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-09 V. V. Voitsekhovskiy , A. V. Tugay

Context. Cosmic voids are underdense regions of the Universe that provide a unique environment to study galaxy evolution in relative isolation. Galaxy triplets in voids are rare systems where local interactions may strongly influence galaxy…

Astrophysics of Galaxies · Physics 2026-01-14 G. M. Azevedo , A. L. Chies-Santos , R. Riffel , I. Perez , F. Ferrari , R. S. de Souza , M. Argudo-Fernandéz , B. Bidaran

The universe is permeated by a network of filaments, sheets, and knots collectively forming a "cosmic web.'' The discovery of the cosmic web, especially through its signature of absorption of light from distant sources by neutral hydrogen…

Astrophysics · Physics 2009-11-13 C. -A. Faucher-Giguere , A. Lidz , L. Hernquist

The cosmic web plays a major role in the formation and evolution of galaxies and defines, to a large extent, their properties. However, the relation between galaxies and environment is still not well understood. Here we present a machine…

Astrophysics of Galaxies · Physics 2018-04-11 Jianan Hui , Miguel A. Aragon-Calvo , Xinping Cui , James M. Flegal

Galaxy properties are known to correlate with their location within the cosmic web. However, the role of filaments remains poorly understood, particularly for low-mass galaxies, which are expected to be more sensitive to environmental…

Astrophysics of Galaxies · Physics 2026-05-25 Daria Zakharova , Gabriella De Lucia , Benedetta Vulcani , Lizhi Xie , Stefania Barsanti , Sean McGee

Recent efforts to identify secondary variations in the Halo Occupation Distribution (HOD) have primarily focused on simulations examining the role of large-scale cosmic environments such as superclusters, filaments, and underdense regions…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-28 Vicente Izzo Dominguez , Facundo Rodriguez , Antonio D. Montero-Dorta