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Related papers: Properties of Galaxies and Groups: Nature versus N…

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Galaxies, in particular disc galaxies, contain a number of structures and substructures with well defined morphological, photometric and kinematic properties. Considerable theoretical effort has been put into explaining their formation and…

Cosmology and Nongalactic Astrophysics · Physics 2009-10-28 E. Athanassoula

Understanding how galaxies form and evolve is at the heart of modern astronomy. With the advent of large-scale surveys and simulations, remarkable progress has been made in the last few decades. Despite this, the physical processes behind…

Astrophysics of Galaxies · Physics 2024-12-04 Sunil Mucesh , William G. Hartley , Ciarán M. Gilligan-Lee , Ofer Lahav

The observed properties of galaxies are strongly dependent on both their total stellar mass and their morphology. Furthermore, the environment is known to play a strong role in shaping them. The galaxy population in the local universe that…

Galaxy simulations have come a long way from the early days of simple N-body calculations, which considered only gravitational interactions, to the complex, multi-physics models used today. Beginning with initial conditions representative…

Astrophysics of Galaxies · Physics 2025-07-15 Robert Feldmann , Rebekka Bieri

These lectures will cover methods for studying the evolution of galaxies since their formation. Because the properties of a galaxy depend on its history, an understanding of galaxy evolution requires that we understand the dynamical…

Astrophysics · Physics 2007-05-23 Martin D. Weinberg

We present a pedagogical review on the formation and evolution of galaxies in groups, utilizing observational information from the Local Group to galaxies at z~6. The majority of galaxies in the nearby universe are found in groups, and…

Astrophysics · Physics 2015-06-24 Christopher J. Conselice

We investigate the environmental dependence of stellar population properties of galaxies in the local universe. Physical quantities related to the stellar content of galaxies are derived from a spectral synthesis method applied to a…

Astrophysics · Physics 2009-09-29 A. Mateus , Laerte Sodre , Roberto Cid Fernandes , Grazyna Stasinska

Modeling galaxy formation in a cosmological context presents one of the greatest challenges in astrophysics today, due to the vast range of scales and numerous physical processes involved. Here we review the current status of models that…

Astrophysics of Galaxies · Physics 2015-09-23 Rachel S. Somerville , Romeel Davé

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

It is by now well established that galaxy evolution is driven by intrinsic and environmental processes, both contributing to shape the observed properties of galaxies. A number of early studies, both observational and theoretical, have…

Astrophysics of Galaxies · Physics 2015-08-06 A. Pasquali

We follow the evolution of the galaxy population in a Lambda-CDM cosmology by means of high-resolution N-body simulations in which the formation of galaxies and their observable properties are calculated using a semi-analytic model. We…

Astrophysics · Physics 2009-11-06 A. J. Benson , C. S. Frenk , C. M. Baugh , S. Cole , C. G. Lacey

The shapes of galaxies are not randomly oriented on the sky. During the galaxy formation and evolution process, environment has a strong influence, as tidal gravitational fields in the large-scale structure tend to align nearby galaxies.…

These notes collect together current work on the effect of the environment on galaxy formation and evolution. They are broken into four distinct parts. The first deals with the observational debate surrounding the question of whether…

Astrophysics · Physics 2007-05-23 Richard G Bower

We review recent progress in the description of the formation and evolution of galaxy clusters in a cosmological context by using numerical simulations. We focus our presentation on the comparison between simulated and observed X-ray…

Cosmology and Nongalactic Astrophysics · Physics 2014-03-05 Stefano Borgani , Andrey Kravtsov

We simulate the growth of large-scale structure in the universe using a N-body code. By combining these simulations with a Monte-Carlo method, we generate galaxy distributions at present that reproduces the observed morphology-density…

Astrophysics · Physics 2009-10-30 Hugo Martel , Premana Premadi , Richard Matzner

Numerical simulations have become a major tool for understanding galaxy formation and evolution. Over the decades the field has made significant progress. It is now possible to simulate the formation of individual galaxies and galaxy…

Astrophysics of Galaxies · Physics 2017-08-30 Thorsten Naab , Jeremiah P. Ostriker

These lectures are intended to provide an introduction to the rich interplay between N-body simulations and stellar-kinematic observations of galaxies. The first section describes the kinematic properties of galaxies that are accessible to…

Astrophysics · Physics 2007-05-23 Michael R. Merrifield

Large volume cosmological simulations succeed in reproducing the large-scale structure of the Universe. However, they lack resolution and may not take into account all relevant physical processes to test if the detail properties of galaxies…

Astrophysics · Physics 2015-05-13 Marie Martig , Frederic Bournaud , Romain Teyssier

The nature versus nurture scenario in galaxy and group evolution is a long-standing problem not yet fully understood on cosmological scales. We study the properties of groups and their central galaxies in different large-scale environments…

Astrophysics of Galaxies · Physics 2017-01-11 Anup Poudel , Pekka Heinämäki , Elmo Tempel , Maret Einasto , Heidi Lietzen , Pasi Nurmi

In this review, I provide an overview of theoretical aspects related to the evolution of galaxies as a function of environment. I discuss the main physical processes at play, their characteristic time-scales and environmental dependency,…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-27 Gabriella De Lucia
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