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Author : Chris Skipper
Publisher :
ISBN 13 : 9783319095882
Total Pages : 186 pages
Book Rating : 4.0/5 (958 download)
Download or read book Fast Spectral Variability in the X-Ray Emission of Accreting Black Holes written by Chris Skipper and published by . This book was released on 2014-09-30 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chris Skipper
Publisher : Springer
ISBN 13 : 3319095870
Total Pages : 150 pages
Book Rating : 4.3/5 (19 download)
Download or read book Fast Spectral Variability in the X-ray Emission of Accreting Black Holes written by Chris Skipper and published by Springer. This book was released on 2014-09-04 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis brings together the various techniques of X-ray spectral analysis in order to examine the properties of black holes that vary in mass by several orders of magnitude. In all these systems it is widely accepted that the X-ray emission is produced by Compton up-scattering of lower energy seed photons in a hot corona or accretion flow, and here these processes are examined through a study of the X-ray spectral variability of each source. A new technique is introduced, in which models are fitted to over 2 million X-ray spectra on time-scales as short as 16 ms, and subsequently it is shown that the nature of the correlation between intensity and spectral index is strongly dependent upon the spectral state of the black hole. Finally, the results of an extensive survey of nearby galactic nuclei using the Chandra X-ray telescope are presented in the form of images and spectra, and these results are used along with data from the literature to search for Compton-thick nuclei.
Author : Tariq Shahbaz
Publisher : Cambridge University Press
ISBN 13 : 1107181097
Total Pages : 211 pages
Book Rating : 4.1/5 (71 download)
Download or read book High Time-Resolution Astrophysics written by Tariq Shahbaz and published by Cambridge University Press. This book was released on 2018-08-02 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This is a basic introduction to the physics of compact objects in the context of High Time Resolution Astrophysics (HTRA)"--
Author : Thomas J. Maccarone
Publisher : Springer Science & Business Media
ISBN 13 : 1402040857
Total Pages : 276 pages
Book Rating : 4.4/5 (2 download)
Download or read book From X-ray Binaries to Quasars: Black Holes on All Mass Scales written by Thomas J. Maccarone and published by Springer Science & Business Media. This book was released on 2007-01-28 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together contributions from many of the world's leading authorities on black hole accretion. The papers within represent part of a new movement to make use of the relative advantages of studying stellar mass and supermassive black holes, and to bring together the knowledge gained from the two approaches. The topics discussed include black hole observational and theoretical work-variability, spectroscopy, disk-jet connections, and multi-wavelength campaigns on black holes.
Author : Nikolai V. Pogorelov
Publisher :
ISBN 13 : 9781583817384
Total Pages : 0 pages
Book Rating : 4.8/5 (173 download)
Download or read book Numerical Modeling of Space Plasma Flows, ASTRONUM-2009 written by Nikolai V. Pogorelov and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This Volume contains the proceedings of ASTRONUM-2009 -- the fourth in a series of international conferences now organized by the Center for Space Plasma and Aeronomic Research at the University of Alabama in Huntsville and the Laboratory for Research into the Fundamental Laws of the Universe at the French Commissariat of Atomic Energy. The subjects of the conference included such topics as turbulence and cosmic ray transport, astrophysical flows, space plasma flows, kinetic and hybrid simulations, numerical methods, algorithms, and frameworks, and data handling and visualization. All of these topics are of great importance for scientists investigating solar structure, the heliosphere, the Sun-Earth connection, and various astrophysical phenomena. The problems discussed at the conference are characterized by different time and space scales, regions, or particle populations, for which different sets of defning equations or concepts are necessary to understand the physical system in its entirety. This book will be of interest to specialists in applied mathematics, astrophysics, space physics, and computer science working on the application of novel numerical algorithms to contemporary problems arising in these fields. It can also be used by graduate students to get acquainted with the fundamental approaches to solving the fluid dynamic and kinetic equations governing space plasma flows."--Publisher's website.
Author : Maurizio Falanga
Publisher : Springer
ISBN 13 : 1493922270
Total Pages : 489 pages
Book Rating : 4.4/5 (939 download)
Download or read book The Physics of Accretion onto Black Holes written by Maurizio Falanga and published by Springer. This book was released on 2014-10-28 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive summary on the physical models and current theory of black hole accretion, growth and mergers, in both the supermassive and stellar-mass cases. This title reviews in-depth research on accretion on all scales, from galactic binaries to intermediate mass and supermassive black holes. Possible future directions of accretion are also discussed. The following main themes are covered: a historical perspective; physical models of accretion onto black holes of all masses; black hole fundamental parameters; and accretion, jets and outflows. An overview and outlook on the topic is also presented. This volume summarizes the status of the study of astrophysical black hole research and is aimed at astrophysicists and graduate students working in this field. Originally published in Space Science Reviews, Vol 183/1-4, 2014.
Author : Johannes Andersen
Publisher : Springer Science & Business Media
ISBN 13 : 9401147787
Total Pages : 581 pages
Book Rating : 4.4/5 (11 download)
Download or read book Highlights of Astronomy Volume 11B written by Johannes Andersen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1967, the main scientific events of the General Assemblies of the International Astronomical Union have been published in the separate series, Highlights of Astronomy. The present Volume 11 presents the major scientific presentations made at the XXIIIrd General Assembly, August 18-30, 1997, in Kyoto, Japan. The two volumes (11A+B) contain the texts of the three Invited Discourses as well as the proceedings or extended summaries of the 21 Joint Discussions and two Special Sessions held during the General Assembly.
Author :
Publisher :
ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marek A. Abramowicz
Publisher : Cambridge University Press
ISBN 13 : 9780521623629
Total Pages : 310 pages
Book Rating : 4.6/5 (236 download)
Download or read book Theory of Black Hole Accretion Discs written by Marek A. Abramowicz and published by Cambridge University Press. This book was released on 1998 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first comprehensive and up-to-date review of our new understanding of accretion disks around black holes - with chapters from experts from around the world.
Author : Cosimo Bambi
Publisher : Springer
ISBN 13 : 3662528592
Total Pages : 207 pages
Book Rating : 4.6/5 (625 download)
Download or read book Astrophysics of Black Holes written by Cosimo Bambi and published by Springer. This book was released on 2016-07-28 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the state of the art of the basic theoretical and observational topics related to black hole astrophysics. It covers all the main topics in this wide field, from the theory of accretion disks and formation mechanisms of jet and outflows, to their observed electromagnetic spectrum, and attempts to measure the spin of these objects. Black holes are one of the most fascinating predictions of general relativity and are currently a very hot topic in both physics and astrophysics. In the last five years there have been significant advances in our understanding of these systems, and in the next five years it should become possible to use them to test fundamental physics, in particular to predict the general relativity in the strong field regime. The book is both a reference work for researchers and a textbook for graduate students.
Author : Walter Lewin
Publisher : Cambridge University Press
ISBN 13 : 1139451774
Total Pages : 667 pages
Book Rating : 4.1/5 (394 download)
Download or read book Compact Stellar X-ray Sources written by Walter Lewin and published by Cambridge University Press. This book was released on 2006-04-06 with total page 667 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray astronomy is the prime available window on astrophysical compact objects: black holes, neutron stars and white dwarfs. In this book, prominent experts provide a comprehensive overview of the observations and astrophysics of these objects. This is a valuable reference for graduate students and active researchers.
Author : Laura Brenneman
Publisher : Springer Science & Business Media
ISBN 13 : 1461477719
Total Pages : 57 pages
Book Rating : 4.4/5 (614 download)
Download or read book Measuring the Angular Momentum of Supermassive Black Holes written by Laura Brenneman and published by Springer Science & Business Media. This book was released on 2013-06-26 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measuring the spin distribution of supermassive black holes is of critical importance for understanding how these black holes and their host galaxies form and evolve over time, yet this type of study is only in its infancy. This brief describes how astronomers measure spin in supermassive black holes using X-ray spectroscopy. It also reviews the constraints that have been placed on the spin distribution in local, bright active galaxies over the past six years, and the cosmological implications of these constraints. Finally, it summarizes the open questions that remain in this exciting new field of research and points toward future discoveries soon to be made by the next generation of space-based observatories.
Author : Cesar Augusto Zen Vasconcellos
Publisher : World Scientific
ISBN 13 : 9813277351
Total Pages : 299 pages
Book Rating : 4.8/5 (132 download)
Download or read book Topics On Strong Gravity: A Modern View On Theories And Experiments written by Cesar Augusto Zen Vasconcellos and published by World Scientific. This book was released on 2019-12-26 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'The book concentrates attention on extended alternative theories of gravity and on the best astrophysical laboratories to probe the strong gravity-field regime: black holes, pulsars and neutron stars … Readers will likely share the satisfaction the editor and contributors say they experienced as they organized the book.'SirReadaLotFor more than a century, our understanding of gravitational physics was based on Albert Einstein's theory of General Relativity, which fundamentally changed our understanding of the Universe, its origin, and its evolutionary process. General Relativity accurately describes a large number of phenomena on very different scales. As such, it has been very well tested and its remarkable predictions are compatible with most experimental and observational data. However, the observational and experimental results compatible with General Relativity fall in its vast majority under the weak gravitational field regime. In recent years, discrepancies between the data and the corresponding predictions of General Relativity have been observed and have generated intense research activity. One of the most critical aspects of General Relativity is the presence of singularities in extreme physical situations. These discrepancies indicate that either the parameters of the theory must be modified in the regime of strong field gravity/high energy and large space-time curvature, or the theory itself should be modified. In this book, we focus our attention on extended alternative gravity theories and the best astrophysical laboratories to probe the strong field regime: black holes, pulsars, and neutron stars.
Author : Stephen S. Holt
Publisher :
ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.3/5 (243 download)
Download or read book X-ray Astronomy in the 1980's written by Stephen S. Holt and published by . This book was released on 1982 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 638 pages
Book Rating : 4.3/5 (91 download)
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1981 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Juhan Frank
Publisher : Cambridge University Press
ISBN 13 : 9780521629577
Total Pages : 390 pages
Book Rating : 4.6/5 (295 download)
Download or read book Accretion Power in Astrophysics written by Juhan Frank and published by Cambridge University Press. This book was released on 2002-01-17 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accretion Power in Astrophysics examines accretion as a source of energy in both binary star systems containing compact objects, and in active galactic nuclei. Assuming a basic knowledge of physics, the authors describe the physical processes at work in accretion discs and other accretion flows. The first three chapters explain why accretion is a source of energy, and then present the gas dynamics and plasma concepts necessary for astrophysical applications. The next three chapters then develop accretion in stellar systems, including accretion onto compact objects. Further chapters give extensive treatment of accretion in active galactic nuclei, and describe thick accretion discs. A new chapter discusses recently discovered accretion flow solutions. The third edition is greatly expanded and thoroughly updated. New material includes a detailed treatment of disc instabilities, irradiated discs, disc warping, and general accretion flows. The treatment is suitable for advanced undergraduates, graduate students and researchers.
Author : Danielle Alloin
Publisher : Springer
ISBN 13 : 354034621X
Total Pages : 234 pages
Book Rating : 4.5/5 (43 download)
Download or read book Physics of Active Galactic Nuclei at all Scales written by Danielle Alloin and published by Springer. This book was released on 2006-09-07 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a collection of lecture notes written by recognized experts in the field of Active Galactic Nuclei (AGN). The collection is aimed at providing both an introduction and at the same time an overview of the state-of-the-art of AGN research. This book also addresses the still not entirely understood link of an AGN with its host galaxy and also the related question of the birth and growth of massive black holes in the Universe.
