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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

The small-scale environment characterized by the local density is known to play a crucial role in deciding the galaxy properties but the role of large-scale environment on galaxy formation and evolution still remain a less clear issue. We…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-30 Biswajit Pandey , Suman Sarkar

Galaxies cover a wide range of masses and star formation histories. In this review, I summarize some of the evolutionary key features of common galaxy types. At the high-mass end, very rapid, efficient early star formation is observed,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Eva K. Grebel

Galaxies are observed to obey a strict set of dynamical scaling relations. We review these relations for rotationally supported disk galaxies spanning many decades in mass, surface brightness, and gas content. The behavior of these widely…

Astrophysics of Galaxies · Physics 2020-05-20 Stacy McGaugh , Federico Lelli , Pengfei Li , Jim Schombert

This article outlines a method to interpret the extragalactic background light in terms of the large-scale, average properties of galaxies, including the comoving densities of stars and interstellar gas, metals, and dust. These quantities…

Astrophysics · Physics 2007-05-23 S. Michael Fall

The observed morphological evolution since z ~ 0.5 within galaxy clusters provides evidence for a hierarchical universe. This evolution is driven by dynamical effects that operate within the cluster environment -- suppression of…

Astrophysics · Physics 2007-05-23 Ben Moore , Vicent Quilis , Richard Bower

In this chapter I give an overall description of the structure and evolution of stars of different masses, and review the main ingredients included in state-of-the-art calculations aiming at reproducing observational features. I give…

Solar and Stellar Astrophysics · Physics 2017-12-27 Víctor Silva Aguirre

This paper provides a critical discussion of the observational evidence for winds in our own Galaxy, in nearby star-forming and active galaxies, and in the high-redshift universe. The implications of galactic winds on the formation and…

Astrophysics · Physics 2007-05-23 Sylvain Veilleux

Context. Galaxy evolution and the effect of environment are most often studied using scaling relations or some regression analyses around some given property. These approaches however do not take into account the complexity of the physics…

Astrophysics of Galaxies · Physics 2019-09-25 Didier Fraix-Burnet , Mauro d'Onofrio , Paola Marziani

Galaxy properties correlate with their position within the cosmic web. While galaxies are observed in an environment today, they may have experienced different environments in the past. The environmental history, linked to pre-processing,…

Astrophysics of Galaxies · Physics 2026-03-25 D. Zakharova , G. De Lucia , B. Vulcani , F. Fontanot , L. Xie

The evolution of irregular galaxies is examined from two points of view: on the one hand, models of galactic chemical evolution have been computed and their predictions compared with the corresponding observational data on the element…

Astrophysics · Physics 2007-05-23 M. Tosi

Galactic winds from star-forming galaxies are crucial to the process of galaxy formation and evolution, regulating star formation, shaping the stellar mass function and the mass-metallicity relation, and enriching the intergalactic medium…

Astrophysics of Galaxies · Physics 2018-11-05 Dong Zhang

This talk tries to summarise where we are now, in the "nature and nurture" questions in galaxy formation and evolution, and briefly describe unsolved problems, and perspectives of progress.

Cosmology and Nongalactic Astrophysics · Physics 2009-09-16 Francoise Combes

We take a close look at the galaxies in the Coma Supercluster and assess the role of the environment (in the form of cluster, group and supercluster filament) in their evolution, in particular examining the role of groups. We characterise…

Astrophysics of Galaxies · Physics 2020-07-01 Ruchika Seth , Somak Raychaudhury

In this paper I present some recent and new results regarding the effects of the cluster environment on the star formation history of galaxies. Three main aspects are discussed: the differences in the stellar population ages of cluster…

Astrophysics · Physics 2007-05-23 Bianca M. Poggianti

We summarise the results of recent work investigating the effects of stellar yields which take into account rotation on the predictions of chemical evolution models for early populations of galaxies.

Astrophysics · Physics 2007-05-23 L. Carigi , M. Pettini

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

In this review I outline some ideas in chemical evolution, necessary for understanding the evolution of galaxies from measured elemental abundance ratios. I then discuss abundance results from studies of Local Group dwarf galaxies and the…

Astrophysics of Galaxies · Physics 2010-11-24 Andrew McWilliam

Massive stars are the drivers of the chemical evolution of dwarf galaxies. We review here the basics of massive star evolution and the specificities of stellar evolution in low-Z environment. We discuss nucleosynthetic aspects and what…

Solar and Stellar Astrophysics · Physics 2019-11-06 Sylvia Ekström , Georges Meynet , Cyril Georgy , José Groh , Arthur Choplin , Hanfeng Song

A satisfactory understanding of the origin of the dependence of galaxy properties on their environment has remained, so far, out of reach. In the light of numerous observational results and substantial theoretical progress obtained for…