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Author : Jorick S. Vink
Publisher : Unknown
Page : 282 pages
File Size : 43,9 Mb
Release : 2014-11-30
Category : Electronic
ISBN : 3319095978
Author : Jorick S. Vink
Publisher : Springer
Page : 277 pages
File Size : 48,5 Mb
Release : 2014-10-25
Category : Science
ISBN : 9783319095967
This book presents the status of research on very massive stars in the Universe. While it has been claimed that stars with over 100 solar masses existed in the very early Universe, recent studies have also discussed the existence and deaths of stars up to 300 solar masses in the local Universe. This represents a paradigm shift for the stellar upper-mass limit, which may have major implications far beyond the field of stellar physics. The book comprises 7 chapters, which describe this discipline and provide sufficient background and introductory content for graduate (PhD) students and researchers from different branches of astronomy to be able to enter this exciting new field of very massive stars.
Author : Fabio Bresolin,Paul A. Crowther,Joachim Puls
Publisher : Cambridge University Press
Page : 0 pages
File Size : 41,8 Mb
Release : 2008-07-17
Category : Science
ISBN : 0521874726
Massive stars are short lived and rare, yet they help to shape our Universe. They shine brightly in ultraviolet light, die in supernova explosions which enrich galaxies in elements such as oxygen, and sometimes their demise is associated with intense bursts of gamma-rays. IAU Symposium 250 charts our current understanding of the life, evolution and death of massive stars, both within the local Universe and when the Universe was in its infancy. These proceedings comprise over 50 extensive review and contributed papers spanning five contemporary themes: atmospheres of massive stars; the physics and evolution of massive stars; massive stars in the nearby Universe; hydrodynamics and feedback from massive stars in galaxy evolution; and massive stars as probes of the early Universe. Summaries of special sessions on magnetic massive stars and massive stars at low metallicity are also included.
Author : Space Telescope Science Institute (U.S.). Symposium,Space Telescope Science Institute (U.S.)
Publisher : Cambridge University Press
Page : 253 pages
File Size : 47,9 Mb
Release : 2009-11-12
Category : Science
ISBN : 9780521762632
Presents observational and theoretical papers from world experts addressing the important role in astrophysics of massive stars.
Author : D. Vanbeveren,W. van Rensbergen,C. de Loore
Publisher : Springer Science & Business Media
Page : 472 pages
File Size : 43,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401110808
Massive stars occupy an exceptional place in general astrophysics. They trigger many if not all of the important processes in galactic evolution whereas due to their intrinsic brightness, they offer the (only until now) possibility to study the stellar content and stellar behaviour in distant galaxies. The last, say, 25 years, massive stars have been the subject of numerous meetings discussing the influence of massive stars on population synthesis, the number distribution of different types of massive stars, the LBV phenomenon, WR stars, X-ray binaries, stellar winds in massive stars, chemical pecularities in massive stars, supernova explosions of massive stars and the important SN1987A event, the influence of massive stars and chemical evolution of galaxies. It is clear that without a theory of stellar evolution, the study of these topics loses a lot of its significance. Massive star evolution therefore got a chance in these meetings, but rarely as a prime subject. The state of the art, the physical processes and the uncertainties in stellar evolution were barely touched. Even more, the influence of close binaries in all these massive star meetings slowly disappeared the last, say, 13 years without any scientific justification, although a significant fraction of stars occurs in close binaries with periods small enough so that both components will interact during their evolution. Denying the binaries or not discussing their influence on results and conclusions, makes the latter very uncertain or even completely unreliable.
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 616 pages
File Size : 45,9 Mb
Release : 2008-07-17
Category : Science
ISBN : 0521874726
Reviews our current understanding of the life, evolution and death of massive stars; for researchers and graduate students.
Author : Claus Leitherer,Space Telescope Science Institute (U.S.)
Publisher : Cambridge University Press
Page : 354 pages
File Size : 54,8 Mb
Release : 1991-05-16
Category : Science
ISBN : 0521404657
This book reviews the importance of massive stars in several areas of astrophysics. Massive stars are objects that are 10-100 times the mass of our Sun. Above ten solar masses, loss through stellar winds begins to have a major impact on the evolution of a star. The upper limit of 100 solar masses is derived from observations. Significant progress has now been achieved in massive star research. New models, along with high quality observations, have improved our understanding of the formation, structure, atmosphere, and evolution of these massive objects. They are formed in violent bursts of star formation and are probably related to the phenomena observed in active galactic nuclei. The workshop at the Space Telescope Science Institute examined the interplay between the astrophysics of massive stars and their location in extragalactic starburst regions. There are eighteen chapters by leading researchers. Each has been carefully edited to ensure that the book is a comprehensive introduction to the theory and observation of massive stars in starburst regions.
Author : Roberta M. Humphreys
Publisher : MDPI
Page : 212 pages
File Size : 50,6 Mb
Release : 2020-12-10
Category : Computers
ISBN : 9783039362806
Studies on the populations of luminous stars in nearby resolved galaxies have revealed a complex distribution in the luminosity–temperature plane (the HR diagram). The fundamentals of massive star evolution are mostly understood, but the roles of mass loss, episodic mass loss, rotation, and binarity are still in question. Moreover, the final stages of these stars of different masses and their possible relation to each other are not understood. The purpose of this volume is to provide a current review of the different populations of evolved massive stars. The emphasis is on massive stars in the Local Group, the Magellanic Clouds, and the nearby spirals M31 and M33.
Author : Giacomo Beccari,Henri M. J. Boffin
Publisher : Cambridge University Press
Page : 359 pages
File Size : 46,7 Mb
Release : 2019-04-18
Category : Science
ISBN : 9781108428583
An advanced review of how binary stars affect stellar evolution, presenting results from state-of-the art models and recent observations.
Author : Harley A. Thronson,Massimo Stiavelli,Alexander Tielens
Publisher : Springer Science & Business Media
Page : 523 pages
File Size : 52,8 Mb
Release : 2009-02-03
Category : Science
ISBN : 9781402094576
NASA’s James Webb Space Telescope (JWST), planned for operation in about five years, will have the capability to investigate – and answer – some of the most challenging questions in astronomy. Although motivated and designed to study the very early Universe, the performance of the observatory’s instruments over a very wide wavelength range will allow the world’s scientific community unequaled ability to study cosmic phenomena as diverse as small bodies in the Solar System and the formation of galaxies. As part of preparation to use JWST, a conference was held in Tucson, Arizona in 2007 that brought together astronomers from around the world to discuss the mission, other major facilities that will operate in the coming decade, and major scientific goals for them. This book is a compilation of those presentations by some of the leading researchers from all branches of astronomy. This book also includes a “pre-history” of JWST, describing the lengthy process and some of the key individuals that initiated early work on the concepts that would evolve to become the premier space observatory of the next decade.
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 506 pages
File Size : 46,7 Mb
Release : 2008-12-18
Category : Science
ISBN : 0521889839
Stellar models are the very basic building blocks with which we build up our knowledge of the Universe. New numerical experiments are heralding a new level of sophistication in our ability to model, and understand, how stars work. This volume provides an overview and the most recent advances in modeling of stellar structure and evolution. Modeling of stars relies on our understanding of the detailed physical processes happening in stars, and the most recent observations of stars made by modern large telescopes and current high technologies. IAU Symposium 252 presents the most recent developments in five key areas, including: improvements of the physical ingredients of stellar models; the evolution of low and intermediate mass stars; the evolution of massive stars; close binary evolution; and stellar physics in the era of very large telescopes. This overview of stellar research is at a level suitable for research astronomers and graduate students.
Author : Mansi M. Kasliwal
Publisher : Universal-Publishers
Page : 225 pages
File Size : 51,7 Mb
Release : 2012
Category : Science
ISBN : 9781612337753
For centuries, we have known that our dynamic universe is adorned by cosmic fireworks: energetic and ephemeral beacons of light from a single star that are a million (nova) to a billion (supernova) times brighter than our sun. However, it had been an age-old conundrum that the brightest nova is approximately 1000 times fainter than the faintest supernova; why should nature leave such a wide "gap"? In search of an answer, I undertook three systematic surveys for my thesis. Since I was looking for transients fainter, faster and rarer than supernovae, I focused my search on galaxies in the local universe. We now have convincing evidence of multiple, distinct populations of rare transients bridging this "gap." Perhaps, we are witnessing new stellar physics- shell detonations in ultra-compact white dwarf binaries, electron-capture supernovae, white dwarfs collapsing into neutron stars and birth of black-holes. A small number of intensively followed-up discoveries of elusive transients sets the stage for population studies with the upcoming "Large Synoptic Survey Telescope." This effort works towards building a complete inventory of transients in the local universe (d
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 518 pages
File Size : 54,8 Mb
Release : 2010
Category : Cosmic abundances
ISBN : 0521764955
Session I : Primordial nucleosynthesis and the first stars in the Universe -- Session II : First stars in the Galaxy -- Session III : Chemical abundances in the high red-shift Universe -- Session IV : Chemical abundance constraints on mass assembly and star formation in local galaxies and the Milky Way -- Session V : Extrasolar planets: the chemical abundance connection -- Session VI : Abundance surveys and projects in the era of future large telescopes.
Author : Karel van der Hucht
Publisher : Cambridge University Press
Page : 758 pages
File Size : 45,9 Mb
Release : 2008-01-21
Category : Science
ISBN : 0521896835
Recording the proceedings of the IAU XXVI General Assembly, this volume of the IAU Highlights of Astronomy covers virtually all aspects of modern astrophysics as discussed by 2400 participants from 73 countries. Notably, the common aspects of astrophysical phenomena known to exist in widely differing interstellar environments is thoroughly examined, providing fertile cross correlation from one specialisation to another. This text highlights the importance of the triennial IAU General Assemblies in bringing together the work of observers and theoreticians in widely different fields, but working towards a common goal: understanding the physics of the Universe. Together with the Proceedings of the IAU Symposia 235-240, this volume examines all of the astrophysics presented at the General Assembly.
Author : Abraham Loeb,Steven R. Furlanetto
Publisher : Princeton University Press
Page : 560 pages
File Size : 55,9 Mb
Release : 2013-01-15
Category : Science
ISBN : 9781400845606
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