The Properties of Star-Forming Galaxies at Z~2

Download The Properties of Star-Forming Galaxies at Z~2 PDF Online Free

Author :
Publisher : Universal-Publishers
ISBN 13 : 1581122977
Total Pages : 168 pages
Book Rating : 4.5/5 (811 download)

DOWNLOAD NOW!


Book Synopsis The Properties of Star-Forming Galaxies at Z~2 by : Dawn Erb

Download or read book The Properties of Star-Forming Galaxies at Z~2 written by Dawn Erb and published by Universal-Publishers. This book was released on 2005 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: We study the properties of star-forming galaxies at redshift z 2, an era in which a substantial fraction of the stellar mass in the universe formed. Using 114 near-IR spectra of the H-alpha and [N II] emission lines and model spectral energy distributions fit to rest-frame UV through IR photometry, we examine the galaxies' star formation properties, dynamical masses and velocity dispersions, spatially resolved kinematics, outflow properties, and metallicities as a function of stellar mass and age. While the stellar masses of the galaxies in our sample vary by a factor of 500, dynamical masses from H-alpha velocity dispersions and indirect estimates of gas masses imply that the variation of stellar mass is due as much to the evolution of the stellar population and the conversion of gas into stars as to intrinsic differences in the total masses of the galaxies. About 10% of the galaxies are apparently young starbursts with high gas fractions, caught just as they have begun to convert large amounts of gas into stars. Using the [N II]/H-alpha ratio of composite spectra to estimate the average oxygen abundance, we find a monotonic increase in metallicity with stellar mass. From the estimated gas fractions, we conclude that the observed mass-metallicity relation is primarily driven by the increase in metallicity as gas is converted to stars. The picture that emerges is of galaxies with a broad range in stellar population properties, from young galaxies with ages of a few tens of Myr, stellar masses M 10 DEGREES9 Msun, and metallicities Z 1/3 Zsun, to massive objects with M* 10 DEGREES11 Msun, Z Zsun, and ages as old as the universe allows. All, however, are rapidly star-forming, power galactic-scale outflows, and have masses in gas and stars of at least 10 DEGREES10 Msun, in keeping with their likely role as the progenitors of elliptical galaxies

Galaxies at High Redshift

Download Galaxies at High Redshift PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 9780521825917
Total Pages : 302 pages
Book Rating : 4.8/5 (259 download)

DOWNLOAD NOW!


Book Synopsis Galaxies at High Redshift by : I. Pérez-Fournon

Download or read book Galaxies at High Redshift written by I. Pérez-Fournon and published by Cambridge University Press. This book was released on 2003-03-20 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents lectures of the XI Canary Islands Winter School of Astrophysics written by experts in the field.

Star-Formation Rates of Galaxies

Download Star-Formation Rates of Galaxies PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 1316877523
Total Pages : 318 pages
Book Rating : 4.3/5 (168 download)

DOWNLOAD NOW!


Book Synopsis Star-Formation Rates of Galaxies by : Andreas Zezas

Download or read book Star-Formation Rates of Galaxies written by Andreas Zezas and published by Cambridge University Press. This book was released on 2021-04-29 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Star-formation is one of the key processes that shape the current state and evolution of galaxies. This volume provides a comprehensive presentation of the different methods used to measure the intensity of recent or on-going star-forming activity in galaxies, discussing their advantages and complications in detail. It includes a thorough overview of the theoretical underpinnings of star-formation rate indicators, including topics such as stellar evolution and stellar spectra, the stellar initial mass function, and the physical conditions in the interstellar medium. The authors bring together in one place detailed and comparative discussions of traditional and new star-formation rate indicators, star-formation rate measurements in different spatial scales, and comparisons of star-formation rate indicators probing different stellar populations, along with the corresponding theoretical background. This is a useful reference for students and researchers working in the field of extragalactic astrophysics and studying star-formation in local and higher-redshift galaxies.

Dynamics of Galaxies

Download Dynamics of Galaxies PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 1107000548
Total Pages : 487 pages
Book Rating : 4.1/5 (7 download)

DOWNLOAD NOW!


Book Synopsis Dynamics of Galaxies by : Giuseppe Bertin

Download or read book Dynamics of Galaxies written by Giuseppe Bertin and published by Cambridge University Press. This book was released on 2014-04-21 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides advanced students with an introduction to modern galactic dynamics, and equips them with useful observational and theoretical tools.

Astrophysics Of Gas Nebulae and Active Galactic Nuclei

Download Astrophysics Of Gas Nebulae and Active Galactic Nuclei PDF Online Free

Author :
Publisher : University Science Books
ISBN 13 : 9781891389344
Total Pages : 488 pages
Book Rating : 4.3/5 (893 download)

DOWNLOAD NOW!


Book Synopsis Astrophysics Of Gas Nebulae and Active Galactic Nuclei by : Donald E. Osterbrock

Download or read book Astrophysics Of Gas Nebulae and Active Galactic Nuclei written by Donald E. Osterbrock and published by University Science Books. This book was released on 2006 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thoroughly revised and expanded throughout, the new edition is a graduate-level text and reference book on gaseous nebulae, nova and supernova remnants. Much of the new data and new images are from the Hubble Space Telescope with two wholly new chapters being added along with other new features. The previous edition which was tried and tested for thirty years has now been succeeded by a revised, updated, larger edition, which will be valuable to anyone seriously interested in astrophysics.

Fundamentals of Galaxy Dynamics, Formation and Evolution

Download Fundamentals of Galaxy Dynamics, Formation and Evolution PDF Online Free

Author :
Publisher : UCL Press
ISBN 13 : 1911307614
Total Pages : 200 pages
Book Rating : 4.9/5 (113 download)

DOWNLOAD NOW!


Book Synopsis Fundamentals of Galaxy Dynamics, Formation and Evolution by : Ignacio Ferreras

Download or read book Fundamentals of Galaxy Dynamics, Formation and Evolution written by Ignacio Ferreras and published by UCL Press. This book was released on 2019-04-02 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Probing Galaxies Through Quasar Absorption Lines (IAU C199)

Download Probing Galaxies Through Quasar Absorption Lines (IAU C199) PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 9780521852050
Total Pages : 540 pages
Book Rating : 4.8/5 (52 download)

DOWNLOAD NOW!


Book Synopsis Probing Galaxies Through Quasar Absorption Lines (IAU C199) by : International Astronomical Union. Colloquium

Download or read book Probing Galaxies Through Quasar Absorption Lines (IAU C199) written by International Astronomical Union. Colloquium and published by Cambridge University Press. This book was released on 2005-12 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Review of recent research in the field of quasar absorption line systems.

The Hubble Deep Field

Download The Hubble Deep Field PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 9780521630979
Total Pages : 328 pages
Book Rating : 4.6/5 (39 download)

DOWNLOAD NOW!


Book Synopsis The Hubble Deep Field by : Space Telescope Science Institute (U.S.). Symposium

Download or read book The Hubble Deep Field written by Space Telescope Science Institute (U.S.). Symposium and published by Cambridge University Press. This book was released on 1998-10-13 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Hubble Deep Field (HDF) is the deepest optical image of the Universe ever obtained. It is the result of a 150-orbit observing programme with the Hubble Space Telescope. It provides a unique resource for researchers studying the formation and evolution of stars and galaxies. This timely volume provides the first comprehensive overview of the HDF and its scientific impact on our understanding in cosmology. It presents articles by a host of world experts who gathered together at an international conference at the Space Telescope Science Institute. The contributions combine observations of the HDF at a variety of wavelengths with the latest theoretical progress in our understanding of the cosmic history of star and galaxy formation. The HDF is set to revolutionize our understanding in cosmology. This book therefore provides an indispensable reference for all graduate students and researchers in observational or theoretical cosmology.

Galactic Dynamics

Download Galactic Dynamics PDF Online Free

Author :
Publisher : Princeton University Press
ISBN 13 : 1400828724
Total Pages : 902 pages
Book Rating : 4.4/5 (8 download)

DOWNLOAD NOW!


Book Synopsis Galactic Dynamics by : James Binney

Download or read book Galactic Dynamics written by James Binney and published by Princeton University Press. This book was released on 2011-10-30 with total page 902 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since it was first published in 1987, Galactic Dynamics has become the most widely used advanced textbook on the structure and dynamics of galaxies and one of the most cited references in astrophysics. Now, in this extensively revised and updated edition, James Binney and Scott Tremaine describe the dramatic recent advances in this subject, making Galactic Dynamics the most authoritative introduction to galactic astrophysics available to advanced undergraduate students, graduate students, and researchers. Every part of the book has been thoroughly overhauled, and many sections have been completely rewritten. Many new topics are covered, including N-body simulation methods, black holes in stellar systems, linear stability and response theory, and galaxy formation in the cosmological context. Binney and Tremaine, two of the world's leading astrophysicists, use the tools of theoretical physics to describe how galaxies and other stellar systems work, succinctly and lucidly explaining theoretical principles and their applications to observational phenomena. They provide readers with an understanding of stellar dynamics at the level needed to reach the frontiers of the subject. This new edition of the classic text is the definitive introduction to the field. ? A complete revision and update of one of the most cited references in astrophysics Provides a comprehensive description of the dynamical structure and evolution of galaxies and other stellar systems Serves as both a graduate textbook and a resource for researchers Includes 20 color illustrations, 205 figures, and more than 200 problems Covers the gravitational N-body problem, hierarchical galaxy formation, galaxy mergers, dark matter, spiral structure, numerical simulations, orbits and chaos, equilibrium and stability of stellar systems, evolution of binary stars and star clusters, and much more Companion volume to Galactic Astronomy, the definitive book on the phenomenology of galaxies and star clusters

The Physics and Evolution of Active Galactic Nuclei

Download The Physics and Evolution of Active Galactic Nuclei PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 1107021510
Total Pages : 369 pages
Book Rating : 4.1/5 (7 download)

DOWNLOAD NOW!


Book Synopsis The Physics and Evolution of Active Galactic Nuclei by : Hagai Netzer

Download or read book The Physics and Evolution of Active Galactic Nuclei written by Hagai Netzer and published by Cambridge University Press. This book was released on 2013-09-16 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive introduction to the theory underpinning our study of active galactic nuclei and the ways we observe them.

Molecular Gas, Dust, and Star Formation in Galaxies (IAU S292)

Download Molecular Gas, Dust, and Star Formation in Galaxies (IAU S292) PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 9781107033818
Total Pages : 0 pages
Book Rating : 4.0/5 (338 download)

DOWNLOAD NOW!


Book Synopsis Molecular Gas, Dust, and Star Formation in Galaxies (IAU S292) by : Tony Wong

Download or read book Molecular Gas, Dust, and Star Formation in Galaxies (IAU S292) written by Tony Wong and published by Cambridge University Press. This book was released on 2013-04-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our knowledge of the molecular gas content in galaxies has advanced rapidly in the past decade with systematic surveys from ground-based radio facilities, coupled with advances in observations and modeling of the thermal dust emission associated with the gas. This Symposium Proceedings provides a timely overview of the latest observations of molecular gas and dust in the Milky Way and in other galaxies. It also covers related topics including the initial conditions for star formation, observational tracers of star formation and interstellar conditions, and simulations of the turbulent, multiphase interstellar medium. Featuring ten review articles by leaders in the field, and including early results and prospects for the ALMA observatory, this volume will prove especially useful for graduate students or scientists who are pursuing or planning research in this area.

The Galaxy Disk in Cosmological Context (IAU S254)

Download The Galaxy Disk in Cosmological Context (IAU S254) PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 9780521889858
Total Pages : 542 pages
Book Rating : 4.8/5 (898 download)

DOWNLOAD NOW!


Book Synopsis The Galaxy Disk in Cosmological Context (IAU S254) by : International Astronomical Union. Symposium

Download or read book The Galaxy Disk in Cosmological Context (IAU S254) written by International Astronomical Union. Symposium and published by Cambridge University Press. This book was released on 2009-04-16 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paradigm of a dark energy- and dark matter-dominated Universe, with the hierarchical merger scenario for the formation of galaxies, has scored impressive successes in matching the observed Universe. However, the theory fails to explain the difficulty in generating ordinary disk galaxies such as the Milky Way, suggesting that some important physics must be missing in current models. IAU Symposium 254 was organized to address this question, gathering researchers from an unusually broad range of fields, from cosmology to interstellar matter, and the formation and evolution of stars. High-class reviews, lectures and posters combine to define the frontiers in the field and point the way to new avenues of research. This volume presents a unique set of succinct overviews illuminating the full range of topics in this very active field. It also honors Danish astrophysicist Bengt Strömgren (1908-1987), who laid much of the foundation for this entire field.

Chemical Evolution of Galaxies

Download Chemical Evolution of Galaxies PDF Online Free

Author :
Publisher : Springer Science & Business Media
ISBN 13 : 3642224911
Total Pages : 237 pages
Book Rating : 4.6/5 (422 download)

DOWNLOAD NOW!


Book Synopsis Chemical Evolution of Galaxies by : Francesca Matteucci

Download or read book Chemical Evolution of Galaxies written by Francesca Matteucci and published by Springer Science & Business Media. This book was released on 2012-01-05 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: The term “chemical evolution of galaxies” refers to the evolution of abundances of chemical species in galaxies, which is due to nuclear processes occurring in stars and to gas flows into and out of galaxies. This book deals with the chemical evolution of galaxies of all morphological types (ellipticals, spirals and irregulars) and stresses the importance of the star formation histories in determining the properties of stellar populations in different galaxies. The topic is approached in a didactical and logical manner via galaxy evolution models which are compared with observational results obtained in the last two decades: The reader is given an introduction to the concept of chemical abundances and learns about the main stellar populations in our Galaxy as well as about the classification of galaxy types and their main observables. In the core of the book, the construction and solution of chemical evolution models are discussed in detail, followed by descriptions and interpretations of observations of the chemical evolution of the Milky Way, spheroidal galaxies, irregular galaxies and of cosmic chemical evolution. The aim of this book is to provide an introduction to students as well as to amend our present ideas in research; the book also summarizes the efforts made by authors in the past several years in order to further future research in the field.

Unveiling Galaxies

Download Unveiling Galaxies PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 1108417019
Total Pages : 311 pages
Book Rating : 4.1/5 (84 download)

DOWNLOAD NOW!


Book Synopsis Unveiling Galaxies by : Jean-René Roy

Download or read book Unveiling Galaxies written by Jean-René Roy and published by Cambridge University Press. This book was released on 2018 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: A thought provoking study of the powerful impact of images in guiding astronomers' understanding of galaxies through time.

Galaxy Formation and Evolution

Download Galaxy Formation and Evolution PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 0521857937
Total Pages : 841 pages
Book Rating : 4.5/5 (218 download)

DOWNLOAD NOW!


Book Synopsis Galaxy Formation and Evolution by : Houjun Mo

Download or read book Galaxy Formation and Evolution written by Houjun Mo and published by Cambridge University Press. This book was released on 2010-05-20 with total page 841 pages. Available in PDF, EPUB and Kindle. Book excerpt: A coherent introduction for researchers in astronomy, particle physics, and cosmology on the formation and evolution of galaxies.

Stars and Stellar Processes

Download Stars and Stellar Processes PDF Online Free

Author :
Publisher : Cambridge University Press
ISBN 13 : 1107197880
Total Pages : 573 pages
Book Rating : 4.1/5 (71 download)

DOWNLOAD NOW!


Book Synopsis Stars and Stellar Processes by : M. W. Guidry

Download or read book Stars and Stellar Processes written by M. W. Guidry and published by Cambridge University Press. This book was released on 2019-02-07 with total page 573 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the physics of stars in relation to modern topics such as neutrino oscillations, supernovae, black holes, and gravitational waves.

The First Galaxies in the Universe

Download The First Galaxies in the Universe PDF Online Free

Author :
Publisher : Princeton University Press
ISBN 13 : 0691144923
Total Pages : 572 pages
Book Rating : 4.6/5 (911 download)

DOWNLOAD NOW!


Book Synopsis The First Galaxies in the Universe by : Abraham Loeb

Download or read book The First Galaxies in the Universe written by Abraham Loeb and published by Princeton University Press. This book was released on 2013-01-15 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive, self-contained introduction to one of the most exciting frontiers in astrophysics today: the quest to understand how the oldest and most distant galaxies in our universe first formed. Until now, most research on this question has been theoretical, but the next few years will bring about a new generation of large telescopes that promise to supply a flood of data about the infant universe during its first billion years after the big bang. This book bridges the gap between theory and observation. It is an invaluable reference for students and researchers on early galaxies. The First Galaxies in the Universe starts from basic physical principles before moving on to more advanced material. Topics include the gravitational growth of structure, the intergalactic medium, the formation and evolution of the first stars and black holes, feedback and galaxy evolution, reionization, 21-cm cosmology, and more. Provides a comprehensive introduction to this exciting frontier in astrophysics Begins from first principles Covers advanced topics such as the first stars and 21-cm cosmology Prepares students for research using the next generation of large telescopes Discusses many open questions to be explored in the coming decade