Probing Galaxy Evolution By Unveiling The Structure Of Massive Galaxies Across Cosmic Time And In Diverse Environments PDF Download
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Author | : Timothy Weinzirl |
Publisher | : Springer |
Total Pages | : 249 |
Release | : 2014-07-17 |
Genre | : Science |
ISBN | : 3319069594 |
Download Probing Galaxy Evolution by Unveiling the Structure of Massive Galaxies Across Cosmic Time and in Diverse Environments Book in PDF, ePub and Kindle
Awarded the American Astronomical Society (AAS) Rodger Doxsey Travel Prize, and with a foreword by thesis supervisor Professor Shardha Jogee at the University of Texas at Austin, this thesis discusses one of the primary outstanding problems in extragalactic astronomy: how galaxies form and evolve. Galaxies consist of two fundamental kinds of structure: rotationally supported disks and spheroidal/triaxial structures supported by random stellar motions. Understanding the balance between these galaxy components is vital to comprehending the relative importance of the different mechanisms (galaxy collisions, gas accretion and internal secular processes) that assemble and shape galaxies. Using panchromatic imaging from some of the largest and deepest space-based galaxy surveys, an empirical census of galaxy structure is made for galaxies at different cosmic epochs and in environments spanning low to extremely high galaxy number densities. An important result of this work is that disk structures are far more prevalent in massive galaxies than previously thought. The associated challenges raised for contemporary theoretical models of galaxy formation are discussed. The method of galaxy structural decomposition is treated thoroughly since it is relevant for future studies of galaxy structure using next-generation facilities, like the James Webb Space Telescope and the ground-based Giant Magellan Telescope with adaptive optics.
Author | : Timothy Michael Weinzirl |
Publisher | : |
Total Pages | : 252 |
Release | : 2014-08-31 |
Genre | : |
ISBN | : 9783319069609 |
Download Probing Galaxy Evolution by Unveiling the Structure of Massive Galaxies Across Cosmic Time and in Diverse Environments Book in PDF, ePub and Kindle
Author | : Christopher J. Conselice |
Publisher | : IOP Publishing Limited |
Total Pages | : 160 |
Release | : 2020 |
Genre | : Science |
ISBN | : 9780750326681 |
Download The Cosmic Evolution of Galaxy Structure Book in PDF, ePub and Kindle
Galaxies are the fundamental units of cosmic matter that make up the Universe and they change in remarkable ways over 13.7 billion years of cosmic time. We are just now discovering how galaxies we can see over these billions of years are evolving from small, star forming systems to larger, more massive and passive systems at later times. One of the ways that this process is seen in through the resolved structures of galaxies - that is, the shape and form of the galaxies This book explains the structural evolution of galaxies, how we measure it, how these measurements change with time, and how observing this reveals important information about galaxy formation and evolution. This includes how the general forms of galaxies change with time as well as uncovering the methods for producing structural changes, especially those involving galaxy mergers. The book also explains the future of the field through the use of machine learning tools, and how galaxy structure can be used as a new approach to measure unique features of the Universe, such as cosmological properties and parameters.
Author | : Dominic Front |
Publisher | : Richards Education |
Total Pages | : 178 |
Release | : |
Genre | : Science |
ISBN | : |
Download Unlocking the Cosmos: A Guide to Mastering Astronomy Book in PDF, ePub and Kindle
In "Unlocking the Cosmos: A Guide to Mastering Astronomy," readers will embark on an exhilarating journey through the cosmos, from the wonders of the solar system to the mysteries of the distant universe. This comprehensive guide provides aspiring astronomers with the knowledge and tools needed to navigate the night sky, understand celestial phenomena, and delve into the forefront of astronomical research. Whether you're a novice stargazer or an experienced astronomer, this book is your ultimate companion to unraveling the secrets of the universe.
Author | : Houjun Mo |
Publisher | : Cambridge University Press |
Total Pages | : 841 |
Release | : 2010-05-20 |
Genre | : Science |
ISBN | : 0521857937 |
Download Galaxy Formation and Evolution Book in PDF, ePub and Kindle
A coherent introduction for researchers in astronomy, particle physics, and cosmology on the formation and evolution of galaxies.
Author | : Ignacio Ferreras |
Publisher | : UCL Press |
Total Pages | : 200 |
Release | : 2019-04-02 |
Genre | : Science |
ISBN | : 1911307614 |
Download Fundamentals of Galaxy Dynamics, Formation and Evolution Book in PDF, ePub and Kindle
Galaxies, along with their underlying dark matter halos, constitute the building blocks of structure in the Universe. Of all fundamental forces, gravity is the dominant one that drives the evolution of structures from small density seeds at early times to the galaxies we see today. The interactions among myriads of stars, or dark matter particles, in a gravitating structure produce a system with fascinating connotations to thermodynamics, with some analogies and some fundamental differences. Ignacio Ferreras presents a concise introduction to extragalactic astrophysics, with emphasis on stellar dynamics, and the growth of density fluctuations in an expanding Universe. Additional chapters are devoted to smaller systems (stellar clusters) and larger ones (galaxy clusters). Fundamentals of Galaxy Dynamics, Formation and Evolution is written for advanced undergraduates and beginning postgraduate students, providing a useful tool to get up to speed in a starting research career. Some of the derivations for the most important results are presented in detail to enable students appreciate the beauty of maths as a tool to understand the workings of galaxies. Each chapter includes a set of problems to help the student advance with the material.
Author | : Houjun Mo |
Publisher | : Cambridge University Press |
Total Pages | : |
Release | : 2010-05-20 |
Genre | : Science |
ISBN | : 1107394104 |
Download Galaxy Formation and Evolution Book in PDF, ePub and Kindle
The rapidly expanding field of galaxy formation lies at the interface between astronomy, particle physics, and cosmology. Covering diverse topics from these disciplines, all of which are needed to understand how galaxies form and evolve, this book is ideal for researchers entering the field. Individual chapters explore the evolution of the Universe as a whole and its particle and radiation content; linear and nonlinear growth of cosmic structure; processes affecting the gaseous and dark matter components of galaxies and their stellar populations; the formation of spiral and elliptical galaxies; central supermassive black holes and the activity associated with them; galaxy interactions; and the intergalactic medium. Emphasizing both observational and theoretical aspects, this book provides a coherent introduction for astronomers, cosmologists, and astroparticle physicists to the broad range of science underlying the formation and evolution of galaxies.
Author | : Roger John Tayler |
Publisher | : Cambridge University Press |
Total Pages | : 216 |
Release | : 1993-03-04 |
Genre | : Science |
ISBN | : 9780521367103 |
Download Galaxies Book in PDF, ePub and Kindle
Galaxies are large systems of stars, some of which contain interstellar gas and dust. They also contain much invisible matter, which may be in the form of weakly interacting elementary particles. In this introductory textbook, the first chapter introduces the study of galaxies. This is followed by two chapters on observations of galaxies, including our own. There are then three chapters on galactic structure: the manner in which motions of stars determine galactic shape, the determination of galactic masses, and the structure of discs in spirals. Galactic evolution, especially changes in chemical composition over time, is covered. The book concludes with a discussion of the origin of galaxies and their relation to more general questions in cosmology. The book includes mathematical presentation where this enables the discussion to be quantitative.
Author | : Farid Salama |
Publisher | : |
Total Pages | : 308 |
Release | : 2002 |
Genre | : Astrophysics |
ISBN | : |
Download Proceedings of the NASA Laboratory Astrophysics Workshop Book in PDF, ePub and Kindle
Author | : Jean-René Roy |
Publisher | : Cambridge University Press |
Total Pages | : 311 |
Release | : 2017-10-12 |
Genre | : Nature |
ISBN | : 1108417019 |
Download Unveiling Galaxies Book in PDF, ePub and Kindle
A thought provoking study of the powerful impact of images in guiding astronomers' understanding of galaxies through time.