The Physics of Accretion Onto Compact Objects
Author | : Keith O. Mason |
Publisher | : Springer |
Total Pages | : 440 |
Release | : 1986 |
Genre | : Science |
ISBN | : |
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Author | : Keith O. Mason |
Publisher | : Springer |
Total Pages | : 440 |
Release | : 1986 |
Genre | : Science |
ISBN | : |
Author | : Mario Vietri |
Publisher | : University of Chicago Press |
Total Pages | : 575 |
Release | : 2008-09-15 |
Genre | : Science |
ISBN | : 0226855716 |
Written by one of today’s most highly respected astrophysicists, Foundations of High-Energy Astrophysics is an introduction to the mathematical and physical techniques used in the study of high-energy astrophysics. Here, Mario Vietri approaches the basics of high-energy astrophysics with an emphasis on underlying physical processes as opposed to a more mathematical approach. Alongside more traditional topics, Vietri presents new subjects increasingly considered crucial to understanding high-energy astrophysical sources, including the electrodynamics of cosmic sources, new developments in the theory of standard accretion disks, and the physics of coronae, thick disks, and accretion onto magnetized objects. The most thorough and engaging survey of high-energy astrophysics available today, Foundations of High-Energy Astrophysics introduces the main physical processes relevant to the field in a rigorous yet accessible way, while paying careful attention to observational issues. Vietri’s book will quickly become a classic text for students and active researchers in astronomy and astrophysics. Those in adjoining fields will also find it a valuable addition to their personal libraries.
Author | : Juhan Frank |
Publisher | : Cambridge University Press |
Total Pages | : 390 |
Release | : 2002-01-17 |
Genre | : Science |
ISBN | : 9780521629577 |
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 | : Vasily S. Beskin |
Publisher | : Springer Science & Business Media |
Total Pages | : 425 |
Release | : 2009-12-08 |
Genre | : Science |
ISBN | : 3642012906 |
Accretion flows, winds and jets of compact astrophysical objects and stars are generally described within the framework of hydrodynamical and magnetohydrodynamical (MHD) flows. Analytical analysis of the problem provides profound physical insights, which are essential for interpreting and understanding the results of numerical simulations. Providing such a physical understanding of MHD Flows in Compact Astrophysical Objects is the main goal of this book, which is an updated translation of a successful Russian graduate textbook. The book provides the first detailed introduction into the method of the Grad-Shafranov equation, describing analytically the very broad class of hydrodynamical and MHD flows. It starts with the classical examples of hydrodynamical accretion onto relativistic and nonrelativistic objects. The force-free limit of the Grad-Shafranov equation allows us to analyze in detail the physics of the magnetospheres of radio pulsars and black holes, including the Blandford-Znajek process of energy extraction from a rotating black hole immersed in an external magnetic field. Finally, on the basis of the full MHD version of the Grad-Shafranov equation the author discusses the problems of jet collimation and particle acceleration in Active Galactic Nuclei, radio pulsars, and Young Stellar Objects. The comparison of the analytical results with numerical simulations demonstrates their good agreement. Assuming that the reader is familiar with the basic physical and mathematical concepts of General Relativity, the author uses the 3+1 split approach which allows the formulation of all results in terms of physically clear language of three dimensional vectors. The book contains detailed derivations of equations, numerous exercises, and an extensive bibliography. It therefore serves as both an introductory text for graduate students and a valuable reference work for researchers in the field.
Author | : James Binney |
Publisher | : Oxford University Press |
Total Pages | : 177 |
Release | : 2016 |
Genre | : Science |
ISBN | : 0198752857 |
Astrophysics is said to have been born when Isaac Newton saw an apple drop in his orchard and had the electrifying insight that the Moon falls just like that apple. James Binney shows how the application of physical laws derived on Earth allows us to understand objects that exist on the far side of the Universe.
Author | : Magnus Axelsson |
Publisher | : American Institute of Physics |
Total Pages | : 252 |
Release | : 2008-10-16 |
Genre | : Science |
ISBN | : |
All papers have been peer-reviewed. These proceedings contain research papers from the participants of the astrophysics conference “Cool discs, hot flows”. The main focus of the conference was on physical processes of accreting compact objects. Topics covered include wind-fed accretion, neutron stars and white dwarfs, ultraluminous X-ray sources and temporal variability.
Author | : Keith O. Mason |
Publisher | : Springer |
Total Pages | : 440 |
Release | : 1986 |
Genre | : Accretion (Astrophysics) |
ISBN | : |
Author | : Juhan Frank |
Publisher | : Cambridge University Press |
Total Pages | : 310 |
Release | : 1992-07-09 |
Genre | : Science |
ISBN | : 9780521403061 |
Accretion is recognised as a phenomenon of fundamental importance in astrophysics. Accretion Power in Astrophysics examines accretion as a source of energy in binary star systems containing compact objects and in active galactic nuclei. The authors assume a basic knowledge of physics in order to describe the physical processes at work in accretion discs. 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. Three further chapters give extensive treatment of accretion in active galactic nuclei, and the concluding chapter describes thick accretion discs. The second edition is a complete revision of the earlier account. In particular it gives much greater attention to active galaxies and quasars, where the accretion model is now accepted as the central energy source. The treatment is at a level appropriate for graduate students.