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Galactic Bulges

Galactic Bulges
Author: Eija Laurikainen
Publisher: Springer
Total Pages: 480
Release: 2015-09-29
Genre: Science
ISBN: 3319193783
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This book consists of invited reviews on Galactic Bulges written by experts in the field. A central point of the book is that, while in the standard picture of galaxy formation a significant amount of the baryonic mass is expected to reside in classical bulges, the question what is the fraction of galaxies with no classical bulges in the local Universe has remained open. The most spectacular example of a galaxy with no significant classical bulge is the Milky Way. The reviews of this book attempt to clarify the role of the various types of bulges during the mass build-up of galaxies, based on morphology, kinematics and stellar populations and connecting their properties at low and high redshifts. The observed properties are compared with the predictions of the theoretical models, accounting for the many physical processes leading to the central mass concentration and their destruction in galaxies. This book serves as an entry point for PhD students and non-specialists and as a reference work for researchers in the field.

Formation and Evolution of Galaxy Bulges (IAU S245)

Formation and Evolution of Galaxy Bulges (IAU S245)
Author: International Astronomical Union. Symposium
Publisher: Cambridge University Press
Total Pages: 510
Release: 2008-09-04
Genre: Science
ISBN: 9780521874670
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Bulges lie at the heart of most galaxies, the building blocks of our universe. With a selection of reviews and topical presentations, IAU Symposium 245 provides an up-to-date overview of our knowledge on galaxy bulges, and a concise introduction to all current research on the subject. The structure, dynamics, and stellar populations of galaxy bulges, both near and far, are analysed through state-of-the-art observations. The leading models for the formation and evolution of galaxy bulges are described in detail, and the constraints observations put on these are dissected. Particular emphasis is placed on exploring evidence for both hierarchical merging and secular processes. Special attention is also devoted to disentangling the complex web relating galaxy bulges and central supermassive black holes, and on the lessons learned from our exquisite knowledge of the bulge of our own Milky Way. This volume is the best one-stop reference on galaxy bulges currently available.

The Evolution of Galaxies

The Evolution of Galaxies
Author: G. Hensler
Publisher: Springer
Total Pages: 0
Release: 2010-12-01
Genre: Science
ISBN: 9789048162482
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Galaxies have a history: distant galaxies, formed early in the life of the universe, differ from the nearby ones. This book addresses the modeling of galaxy evolution from their cosmological formation to their presently observable structures, presenting the state of the art in the field.

Planets, Stars and Stellar Systems

Planets, Stars and Stellar Systems
Author: Gerard Gilmore
Publisher: Springer
Total Pages: 0
Release: 2013-02-23
Genre: Science
ISBN: 9789400756113
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This is volume 5 of Planets, Stars and Stellar Systems, a six-volume compendium of modern astronomical research, covering subjects of key interest to the main fields of contemporary astronomy. This volume on “Galactic Structure and Stellar Populations”, edited by Gerard F. Gilmore, presents accessible review chapters on Stellar Populations, Chemical Abundances as Population Tracers, Metal-Poor Stars and the Chemical Enrichment of the Universe, The Stellar and Sub-Stellar Initial Mass Function of Simple and Composite Populations, The Galactic Nucleus, The Galactic Bulge, Open Clusters and Their Role in the Galaxy, Star Counts and the Nature of Galactic Thick Disk, The Infrared Galaxy, Interstellar PAHs and Dust, Galactic Neutral Hydrogen, High-Velocity Clouds, Magnetic Fields in Galaxies, Astrophysics of Galactic Charged Cosmic Rays, Gamma-Ray Emission of Supernova Remnants and the Origin of Galactic Cosmic Rays, Galactic Distance Scales, Globular Cluster Dynamical Evolution, Dynamics of Disks and Warps, Mass Distribution and Rotation Curve in the Galaxy, Dark Matter in the Galactic Dwarf Spheroidal Satellites, and History of Dark Matter in Galaxies. All chapters of the handbook were written by practicing professionals. They include sufficient background material and references to the current literature to allow readers to learn enough about a specialty within astronomy, astrophysics and cosmology to get started on their own practical research projects. In the spirit of the series Stars and Stellar Systems published by Chicago University Press in the 1960s and 1970s, each chapter of Planets, Stars and Stellar Systems can stand on its own as a fundamental review of its respective sub-discipline, and each volume can be used as a textbook or recommended reference work for advanced undergraduate or postgraduate courses. Advanced students and professional astronomers in their roles as both lecturers and researchers will welcome Planets, Stars and Stellar Systems as a comprehensive and pedagogical reference work on astronomy, astrophysics and cosmology.

Formation and Evolution of Galactic Bulges

Formation and Evolution of Galactic Bulges
Author: Raúl Cacho Martínez
Publisher:
Total Pages:
Release: 2015
Genre:
ISBN:
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The main goal of this work is to understand the formation and evolution of galactic bulges. We face this problem from different points of view, achieving partial objectives: The comparative analysis between two samples of barred and unbarred galaxies from the Sloan Digital Sky Survey (SDSS) will allow us to understand the differences (if exist) about how barred and unbarred galaxies form their bulges. Bulges in galaxies are formed by different stellar components, each one with different properties (age, metallicity and kinematics). These properties are determined by the physical processes which gave place to their formation, which we want to understand. For a better comprehension of these subcomponents, we will try to di- sentangle the stellar populations in bulges from their integrated spec- trum. To do this we have to develop a new technique which will allow us to derive the kinematics, age and metallicity of each individual com- ponents contributing to the bulge...

The Center, Bulge, and Disk of the Milky Way

The Center, Bulge, and Disk of the Milky Way
Author: Leo Blitz
Publisher: Springer Science & Business Media
Total Pages: 175
Release: 2012-12-06
Genre: Science
ISBN: 9401128138
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Our view of our Galaxy has recently been undergoing an increasing divergence from the traditional standpoint. In this book ten authors discuss in eight chapters how the conceptions of the Milky Way have moved in new directions. Starting with the inner parsec and the Center of the Galaxy, the book gradually moves on to the bulge and its relation to the globular clusters and to the disk, of which the presence of a bar is argued. A new look on the HI distribution in the disk, a synthesis of molecular line surveys and the study of stellar populations are discussed in the last three chapters.

The Road to Galaxy Formation

The Road to Galaxy Formation
Author: William C. Keel
Publisher: Springer Science & Business Media
Total Pages: 266
Release: 2002-09-20
Genre: Science
ISBN: 9781852335748
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Written by one of the leading authorities in the field, this is one of the first book's to describe one of today's most important problems in cosmology - the formation of galaxies. The book tackles this great puzzle by discusses the beginnings of the process from cosmological observations and calculations, considers the broad features of galaxies that we need to explain and what we know of their later history. The author compares the competing theories for galaxy formation and considers the progress expected from new generations of powerful telescopes both on earth and in space. An intriguing text on one of today's greatest and most profound puzzles.

Formation and Evolution of Galaxies and Large Structures in the Universe

Formation and Evolution of Galaxies and Large Structures in the Universe
Author: J. Audouze
Publisher: Springer Science & Business Media
Total Pages: 441
Release: 2012-12-06
Genre: Science
ISBN: 9400972458
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Proceedings of the NATO Advanced Study Institute, La Plagne, France, March, 1983

The Chemical Evolution of the Galaxy

The Chemical Evolution of the Galaxy
Author: Francesca Matteucci
Publisher: Springer Science & Business Media
Total Pages: 318
Release: 2001-06-30
Genre: Science
ISBN: 9780792365525
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This book is based partly on a. lecture course given at the University of Tri este, but mostly on my own research experience in the field of galactic chemical evolution. The subject of galactic chemical evolution was started and developed by Beat rice Tinsley in the seventies and now is a flourishing subject. This book is dedi cated to the chemical evolution of our Galaxy and aims at giving an up-to-date review of what we have learned since Tinsley's pioneering efforts. At the time of writing, in fact, books of this kind were not available with the exception of the excellent book by Bernard Pagel on "Nucleosynthesis and Chemical Evolution of Galaxies" (Cambridge University Press, 1997), and the subject of galactic chem ical evolution has appeared only as short chapters in books devoted to other subjects. Therefore, I felt that a book of this kind could be useful. The book summarizes the observational facts which allow us to reconstruct the chemical history of our Galaxy, in particular the abundances in stars and in terstellar medium; in the last decade, a great deal of observational work, mostly abundance determinations in stars in the solar vicinity, has shed light on the pro duction and distribution of chemical elements. Even more recently more abun dance data have accumulated for external galaxies at both low and high redshift, thus providing precious information on the chemical evolution of different types of galaxies and on the early stages of galaxy evolution.

The Evolution of Galaxies

The Evolution of Galaxies
Author: Marc Sauvage
Publisher: Springer
Total Pages: 562
Release: 2010-12-01
Genre: Science
ISBN: 9789048160204
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Galaxies have a history. This has become clear from recent sky surveys which have shown that distant galaxies, formed early in the life of the Universe, differ from the nearby ones. New observational windows at ultraviolet, infrared and millimetric wavelengths (provided by ROSAT, IRAM, IUE, IRAS, ISO) have revealed that galaxies contain a wealth of components: very hot gas, atomic hydrogen, molecules, dust, dark matter ... A significant advance is expected due to new instruments (VLT, FIRST, XMM) which will allow one to explore the most distant Universe. Three Euroconferences have been planned to punctuate this new epoch in galactic research, bringing together specialists in various fields of Astronomy.