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Gamma Ray Burst Correlations Current Status And Open Questions
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Book Synopsis Gamma-ray Burst Correlations: Current Status and Open Questions by : Maria Dainotti
Download or read book Gamma-ray Burst Correlations: Current Status and Open Questions written by Maria Dainotti and published by Institute of Physics Publishing. This book was released on 2019-08-15 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gamma-ray Burst Correlations presents an overview of the observational correlations; their physical interpretations, their use as redshift estimators, and their potential use as cosmological tools. The author describes the existing correlations as well as broaching the possible meaning and controversy behind the results of several GRB correlations.
Book Synopsis Gamma-ray Burst Correlations: Current Status and Open Questions by : Maria Dainotti
Download or read book Gamma-ray Burst Correlations: Current Status and Open Questions written by Maria Dainotti and published by Institute of Physics Publishing. This book was released on 2019-08-15 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gamma-ray Burst Correlations presents an overview of the observational correlations; their physical interpretations, their use as redshift estimators, and their potential use as cosmological tools. The author describes the existing correlations as well as broaching the possible meaning and controversy behind the results of several GRB correlations.
Book Synopsis What Are Gamma-Ray Bursts? by : Joshua S. Bloom
Download or read book What Are Gamma-Ray Bursts? written by Joshua S. Bloom and published by Princeton University Press. This book was released on 2011-01-10 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: A brief, cutting-edge introduction to the brightest cosmic phenomena known to science Gamma-ray bursts are the brightest—and, until recently, among the least understood—cosmic events in the universe. Discovered by chance during the cold war, these evanescent high-energy explosions confounded astronomers for decades. But a rapid series of startling breakthroughs beginning in 1997 revealed that the majority of gamma-ray bursts are caused by the explosions of young and massive stars in the vast star-forming cauldrons of distant galaxies. New findings also point to very different origins for some events, serving to complicate but enrich our understanding of the exotic and violent universe. What Are Gamma-Ray Bursts? is a succinct introduction to this fast-growing subject, written by an astrophysicist who is at the forefront of today's research into these incredible cosmic phenomena. Joshua Bloom gives readers a concise and accessible overview of gamma-ray bursts and the theoretical framework that physicists have developed to make sense of complex observations across the electromagnetic spectrum. He traces the history of remarkable discoveries that led to our current understanding of gamma-ray bursts, and reveals the decisive role these phenomena could play in the grand pursuits of twenty-first century astrophysics, from studying gravity waves and unveiling the growth of stars and galaxies after the big bang to surmising the ultimate fate of the universe itself. What Are Gamma-Ray Bursts? is an essential primer to this exciting frontier of scientific inquiry, and a must-read for anyone seeking to keep pace with cutting-edge developments in physics today.
Download or read book Gamma-ray Bursts written by Cheng Ho and published by Cambridge University Press. This book was released on 1992-03-12 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes the current understanding of Astronomical gamma-ray bursts, short-lived flashes of high-energy radiation, which have eluded even a basic explanation for over twenty years, and describes directions for future research.
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722253998 Total Pages :26 pages Book Rating :4.2/5 (539 download)
Book Synopsis Gamma Ray Bursts by : National Aeronautics and Space Administration (NASA)
Download or read book Gamma Ray Bursts written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-03 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gamma ray bursts display a wide range of temporal and spectral characteristics, but typically last several seconds and emit most of their energy in a low energy, gamma ray region. The burst sources appear to be isotropically distributed on the sky. Several lines of evidence suggest magnetic neutron stars as sources for bursts. A variety of energy sources and emission mechanisms are proposed. Meegan, Charles A. Marshall Space Flight Center ...
Book Synopsis Gamma-ray Bursts by : Chryssa Kouveliotou
Download or read book Gamma-ray Bursts written by Chryssa Kouveliotou and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamental Questions of Practical Cosmology by : Yurij Baryshev
Download or read book Fundamental Questions of Practical Cosmology written by Yurij Baryshev and published by Springer Science & Business Media. This book was released on 2011-10-15 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book guides readers (astronomers, physicists, and university students) through central questions of Practical Cosmology, a term used by the late Allan Sandage to denote the modern scientific endeavor to find the cosmological model best describing the universe of galaxies, its geometry, size, age, and matter composition. The authors draw on their personal experience in astrophysics and cosmology to explain key concepts of cosmology, both observational and theoretical, and to highlight several items which give cosmology its special character. These highlighted items are: Ideosyncratic features of the “cosmic laboratory”, Malmquist bias in the determination of cosmic distances, Theory of gravitation as a cornerstone of cosmological models, Crucial tests for checking the reality of space expansion, Methods of analyzing the structures of the universe as mapped by galaxies, Usefulness of fractals as a model to describe the large-scale structure and new cosmological physics inherent in the Friedmann world model.
Book Synopsis Unsolved Problems in Astrophysics by : John Bahcall
Download or read book Unsolved Problems in Astrophysics written by John Bahcall and published by Princeton University Press. This book was released on 2018-06-05 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of astrophysics is in the midst of a technologically driven renaissance, as fundamental discoveries are being made with astonishing frequency. In the last decade, new detectors in space, on earth, and deep underground have, when coupled with the computational power of modern computers, revolutionized our knowledge and understanding of the astronomical world. This is a great time for a student of any age to become acquainted with the remarkable universe in which we live. This volume is a collection of essays, originally presented orally to a diverse group of students and professionals, which reveal the most fertile areas for future study of astronomy and astrophysics. The emphasis of this work is on the clear description of the current state of our knowledge as a preparation for the future unraveling of the mysteries of the universe that appear today as most fundamental and most amenable to solution. A stellar group of astronomers and astrophysicists describes the directions and styles of work that they think are most likely to lead to progress. Bibliographical notes at the end of each presentation provide guidance for the reader who wishes to go more deeply into a given subject. Unsolved Problems in Astrophysics is a uniquely stimulating introduction to some of the most important topics in modern astrophysics.
Book Synopsis Unsolved Problems in Astrophysics by : John N. Bahcall
Download or read book Unsolved Problems in Astrophysics written by John N. Bahcall and published by Princeton University Press. This book was released on 1997-02-06 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of astrophysics is in the midst of a technological renaissance. The emphasis of this collection of essays, composed by a stellar group of astronomers and astrophysicists, is on the current state of our knowledge as a preparation for future unraveling of more mysteries of the universe, which appear most amenable to solution. Aspiring atrophysicists will be enthralled.
Book Synopsis Bulletin of the Atomic Scientists by :
Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1961-05 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Book Synopsis Gamma-ray Bursts by : Chryssa Kouveliotou
Download or read book Gamma-ray Bursts written by Chryssa Kouveliotou and published by Cambridge University Press. This book was released on 2012-11-22 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cosmic gamma ray bursts (GRBs) have fascinated scientists and the public alike since their discovery in the late 1960s. Their story is told here by some of the scientists who participated in their discovery and, after many decades of false starts, solved the problem of their origin. Fourteen chapters by active researchers in the field present a detailed history of the discovery, a comprehensive theoretical description of GRB central engine and emission models, a discussion of GRB host galaxies and a guide to how GRBs can be used as cosmological tools. Observations are grouped into three sets from the satellites CGRO, BeppoSAX and Swift, and followed by a discussion of multi-wavelength observations. This is the first edited volume on GRB astrophysics that presents a fully comprehensive review of the subject. Utilizing the latest research, Gamma-ray Bursts is an essential desktop companion for graduate students and researchers in astrophysics.
Book Synopsis Gamma-Ray Bursts by : R. Marc Kippen
Download or read book Gamma-Ray Bursts written by R. Marc Kippen and published by American Institute of Physics. This book was released on 2000-10-06 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reflects the current state of the growing field of gamma-ray burst research and the remarkable progress brought about by recent multiwavelength observations. A full range of topics related to modern burst research is covered, including new observational results, ongoing archival analyses, theoretical modeling, and current/future instrumentation.
Download or read book Gamma-Ray Bursts written by Andrew Levan and published by Institute of Physics Publishing. This book was released on 2018-12-21 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gamma-ray bursts cover various areas of astronomy and interest in them reaches a wide range of fields. The science behind them is rapidly moving and this book examines the knowledge that we now have as well as the questions that are continually being raised. Predominantly aimed at PhD students and researchers in the area, Gamma-Ray Bursts addresses this fascinating topic and outlines the principles and initial applications of a fascinating astronomical phenomena.
Download or read book Cosmic Explosions written by Edo Berger and published by Universal-Publishers. This book was released on 2004 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The diversity of stellar death is revealed in the energy, velocity and geometry of the explosion debris ("ejecta''). Using multi-wavelength observations of gamma-ray burst (GRB) afterglows I show that GRBs, arising from the death of massive stars, are marked by relativistic, collimated ejecta ("jets'') with a wide range of opening angles. These results suggest that various cosmic explosions are powered by a common energy source, an "engine'' (possibly an accreting stellar-mass black hole), with their diverse appearances determined solely by the variable high velocity output. On the other hand, using radio observations I show that local type Ibc core-collapse supernovae generally lack relativistic ejecta and are therefore not powered by engines. Instead, the highest velocity debris in these sources, typically with a velocity lower than 100,000 km/sec, are produced in the (effectively) spherical ejection of the stellar envelope. The relative rates of engine- and collapse-powered explosions suggest that the former account for only a small fraction of the stellar death rate. Using the first radio and submillimeter observations of GRB hosts, I show that some are extreme starburst galaxies with the bursts directly associated with the regions of most intense star formation. I suggest, by comparison to other well-studied samples, that GRBs preferentially occur in sub-luminous, low mass galaxies, undergoing the early stages of a starburst process. If confirmed with future observations, this trend will place GRBs in the forefront of star formation and galaxy evolution studies.
Book Synopsis Towards Ultimate Understanding of the Universe by : Pisin Chen
Download or read book Towards Ultimate Understanding of the Universe written by Pisin Chen and published by World Scientific. This book was released on 2013 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past two decades have observed dramatic advancement in our understanding of the universe. Such progress in turn has triggered further questions yet to be answered. Aspired by such prospects, several institutions dedicated to the research of cosmology have been established in the last decade, which include the Leung Center for Cosmology and Particle Astrophysics (LeCosPA) at the National Taiwan University. To celebrate its 4th anniversary the First LeCosPA Symposium was held in February 2012 at NTU. Internationally renowned physicists and authorities in cosmology, particle astrophysics, gravity and general relativity, and high energy physics convened to survey our present understanding of the universe and to explore the future prospects from both theoretical and experimental perspectives. Topics covered include the detection and the nature of dark matter and dark energy, the fundamental understanding of space, time, mass and gravity itself, cosmological constant and vacuum energy, etc. This book should be valuable to researchers and students in the field of cosmology and particle astrophysics.
Download or read book The Messenger written by and published by . This book was released on 2004 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-Energy Emission from Pulsars and their Systems by : Nanda Rea
Download or read book High-Energy Emission from Pulsars and their Systems written by Nanda Rea and published by Springer Science & Business Media. This book was released on 2011-02-04 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of the inaugural meeting of the Sant Cugat Forum on Astrophysics was to address, in a global context, the current understanding of and challenges in high-energy emissions from isolated and non-isolated neutron stars, and to confront the theoretical picture with observations of both the Fermi satellite and the currently operating ground-based Cherenkov telescopes. Participants have also discussed the prospects for possible observations with planned instruments across the multi-wavelength spectrum (e.g. SKA, LOFAR, E-VLT, IXO, CTA) and how they will impact our theoretical understanding of these systems. In keeping with the goals of the Forum, this book not only represents the proceedings of the meeting, but also a reflection on the state-of-the-art in the topic.
