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Related papers: An EAGLE view of the missing baryons

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Upcoming wide-field surveys are well-suited to studying the growth of galaxy clusters by tracing galaxy and gas accretion along cosmic filaments. We use hydrodynamic simulations of volumes surrounding 324 clusters from \textsc{The…

Many observed disc galaxies harbour a central bar. In the standard cosmological paradigm, galactic bars should be slowed down by dynamical friction from the dark matter halo. This friction depends on the galaxy's physical properties in a…

We present a detailed analysis of the galaxy and group distributions around three reported X-ray absorption line systems in the spectrum of the quasar H2356-309. Previous studies associated these absorbers with known large-scale galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2012-12-14 Rik J. Williams , John S. Mulchaey , Juna A. Kollmeier

We use the hydrodynamic, cosmological EAGLE simulations to investigate how hot gas in haloes condenses to form and grow galaxies. We select haloes from the simulations that are actively cooling and study the temperature, distribution, and…

A definite prediction from recent N-body/hydro simulations of the structure formation of the universe is the presence of a diffuse intergalactic medium (IGM) in a temperature range of 10^5 - 10^7 K. This hot phase of the IGM may account for…

Astrophysics · Physics 2007-05-23 Q. Daniel Wang

Large-scale gaseous filaments with length up to the order of 100 pc are on the upper end of the filamentary hierarchy of the Galactic interstellar medium. Their association with respect to the Galactic structure and their role in Galactic…

Astrophysics of Galaxies · Physics 2016-09-21 Ke Wang , Leonardo Testi , Andreas Burkert , C. Malcolm Walmsley , Henrik Beuther , Thomas Henning

Recently, Thornton and coworkers (2013) confirmed a class of millisecond radio bursts likely of extragalactic origin that is well-suited for estimating dispersion measures (DMs). We calculate the probability distribution of DM(z) in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Matthew McQuinn

We present predictions for the galaxy-galaxy lensing profile from the EAGLE hydrodynamical cosmological simulation at redshift z=0.18, in the spatial range 0.02 < R/(Mpc/h) < 2, and for five logarithmically equi-spaced stellar mass bins in…

Filaments stand as pivotal structures within the cosmic web. However, direct detection of the cold gas content of the filaments remains challenging due to its inherent low brightness temperature. With the TNG hydrodynamical simulations, we…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-10 Diyang Liu , Yichao Li , Denis Tramonte , Furen Deng , Jiaxin Wang , Yougang Wang , Xin Zhang , Xuelei Chen

Intergalactic absorbers along lines of sight to distant quasars are a powerful diagnostic for the evolution and content of the intergalactic medium (IGM). In this study, we use the FUSE satellite to search 129 known lya absorption systems…

Astrophysics · Physics 2009-11-10 Charles W. Danforth , J. Michael Shull

A study of the IGM metal enrichment using a series of SPH simulations is presented, employing metal cooling and turbulent diffusion of metals and thermal energy. An adiabatic feedback mechanism was adopted where gas cooling was prevented to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Sijing Shen , James Wadsley , Gregory Stinson

We study the formation of multiphase gas in the post-accretion-shock regions of cosmic sheets, filaments, and the circumgalactic medium (CGM) of haloes, i.e., cosmic web objects (CWOs). Local instabilities in the hot medium result in…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-24 Sharon Lapiner , Nir Mandelker , Paz Beniamini , S. Peng Oh

We investigate the behaviour of cosmological baryons at low redshifts $z<5$ after reionization through analytic means. In particular, we study the density-temperature phase-diagram which describes the history of the gas. We show how the…

Astrophysics · Physics 2009-11-07 P. Valageas , R. Schaeffer , J. Silk

We report on observations of several optical emission lines toward a variety of newly revealed faint, large-scale H-alpha-emitting structures in the warm ionized medium (WIM) of the Galaxy. The lines include [N II] 6583, [N II] 5755, [S II]…

Astrophysics · Physics 2007-05-23 G. J. Madsen

How structures on various scales formed and evolved from the early Universe up to present time is a fundamental question of astrophysical cosmology. EDGE will trace the cosmic history of the baryons from the early generations of massive…

Astrophysics · Physics 2010-11-11 L. Piro , J. W. den Herder , T. Ohashi

We use the NIHAO galaxy formation simulations to make predictions for the baryonic budget in present day galaxies ranging from dwarf to Milky Way masses. The sample is made of 88 independent high resolution cosmological zoom-in simulations.…

Astrophysics of Galaxies · Physics 2017-01-18 Liang Wang , Aaron A. Dutton , Gregory S. Stinson , Andrea V. Macciò , Thales Gutcke , Xi Kang

We have identified a large-scale structure traced by galaxies at z=0.8, within the Lockman Hole, by means of multi-object spectroscopic observations. By using deep XMM images we have investigated the soft X-ray emission from the Warm-Hot…

Astrophysics · Physics 2009-11-10 L. Zappacosta , R. Maiolino , A. Finoguenov , F. Mannucci , R. Gilli , A. Ferrara

Evidence of excess filamentarity is considered for two spatial point process applications: local minima in whole earth precipitation modelling and locations of cold clumps in the Milky Way. A diagnostic test using the number of aligned…

Applications · Statistics 2024-11-12 Aida Gjoka , Robin Henderson , Paul Oman

Our current knowledge of the thermodynamic properties of galaxy clusters comes primarily from detailed studies of clusters selected by their minority components: hot baryons. Most of these studies select the clusters using the component…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-15 S. Andreon , M. Radovich , A. Moretti , F. -X. Desert , T. Hamana , M. Pizzardo , C. Romero , H. Roussel , G. Trinchieri
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