Extragalactic Astrophysics

Extragalactic Astrophysics

James R. Webb
ISBN: 9781681744087 | PDF ISBN: 9781681744094
Copyright © 2017 | 124 Pages | Publication Date: October, 2016

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Extragalactic Astrophysics synthesizes the most important topics in the fields of extragalactic astrophysics at the advanced undergraduate and graduate level, providing the reader with the foundation and tools for research in any of these areas. It attempts to cover a broad range of topics for a graduate level class in a physics department where students' available credit hours for astrophysics classes are limited. The sections cover galactic structure, external galaxies, galaxy clustering, active galaxies, general relativity and cosmology.

The major topics include: galactic coordinate systems, galaxy morphology, stellar mass functions, the galactic center, galactic rotation curves, galactic structure, active galaxies, supermassive black holes, accretion disks, relativistic cosmology and the evolution of the universe. This book is intended for advanced undergraduate physics/astronomy students, physics graduate students, or postgraduate professional physicists and astronomers wishing to learn the important aspects of this broad field. Readers should have a strong background in physics as well as college level chemistry, calculus, and differential equations.

Table of Contents

1. Introduction
1.1 Stellar Structure
1.2 Equations of Stellar Structure
1.3 Our Sun
1.4 Stellar Atmospheres
1.5 Stellar Evolution
1.6 Galaxies

2. The Milky Way Galaxy
2.1 Coordinate Systems, Parallax and Radial Velocities.
2.2 The Equatorial Coordinate System
2.3 Rotational Transformations
2.4 Stellar Motions
2.5 Measuring Stellar Parallaxes
2.6 Hipparchos Results
2.7 Time in Astronomy
2.8 Inertial Reference Frames
2.9 Galactic Structure
2.10 The Interstellar Medium
2.11 Star counts
2.12 Initial Mass Function
2.13 Stellar Kinematics
2.14 Mass of the Galaxy
2.15 Milky Way Formation

3. External Galaxies
3.1 History
3.2 Elliptical Galaxies
3.3 Spiral Galaxies
3.4 Tully-Fisher Relationship for Spiral Galaxies
3.5 Spiral Structure by Stochastic Star formation
3.6 The Cosmic Distance Ladder
3.7 Dark Matter

4. Active Galaxies and Massive Black Holes
4.1 Active Galaxies
4.2 Classification of Active Galaxies
4.3 Discovery and History of Quasars
4.4 Synchrotron Emission
4.5 Accreting Black Holes
4.6 Jet Acceleration
4.7 Synchrotron-Self-Compton Jets
4.8 Unified Model of Quasars
4.9 Quasar Variability

5. General Relativity and Cosmology
5.1 Brief History of Cosmology
5.2 Newtonian Derivation of the Cosmological Equations
5.3 General Relativistic Derivation of Cosmology
5.4 Big Bang Cosmology
5.5 Confirmation of the big Band
5.6 Problems with the Big Bang Theory
5.7 The future evolution of the accelerating Universe
5.8 Finding Mass in the Universe.
5.9 WMAP Results
5.10 Age of the Universe
5.11 Gravitational Waves

About the Author(s)

James R. Webb, Florida International University
Dr. James R. Webb is currently a full professor of physics at Florida International University (FIU). He received his Bachelors in Physics at Ball State University, and his masters and PhD in Astronomy at the University of Florida. His research is the study of blazar variability on all timescales and, although primarily an optical astronomer, has worked in the UV, X-ray and Gamma-ray spectral domains as well. He is an award winning educator earning teaching awards in 1994, 1996, 1999, 2010, outreach and service awards in 2002 and 2009, and an "Astronomical Achievements Award" from the Southern Cross astronomical Society for his astronomy outreach programs. He was a finalist in the Worlds Ahead faculty award in 2012, the most prestigious award for faculty at FIU. He has published over 65 peer-reviewed papers on blazars, organized two international conferences on Blazars, and served as the director of the SARA North telescope for 15 years. He is currently director of the Stocker Astroscience center at FIU's MMC campus. He has taught extragalactic astrophysics and general relativity at the graduate level for over 25 years.

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