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Oscillations of Disks, 1st ed. 2016 Astrophysics and Space Science Library Series, Vol. 437

Langue : Anglais

Auteur :

Couverture de l’ouvrage Oscillations of Disks
This book presents the current state of research on disk oscillation theory, focusing on relativistic disks and tidally deformed disks. Since the launch of the Rossi X-ray Timing Explorer (RXTE) in 1996, many high-frequency quasiperiodic oscillations (HFQPOs) have been observed in X-ray binaries. Subsequently, similar quasi-periodic oscillations have been found in such relativistic objects as microquasars, ultra-luminous X-ray sources, and galactic nuclei. One of the most promising explanations of their origin is based on oscillations in relativistic disks, and a new field called discoseismology is currently developing. After reviewing observational aspects, the book presents the basic characteristics of disk oscillations, especially focusing on those in relativistic disks. Relativistic disks are essentially different from Newtonian disks in terms of several basic characteristics of their disk oscillations, including the radial distributions of epicyclic frequencies.

In order to understand the basic processes of disk oscillations, studies on binary systems are of importance, as they offer valuable information on wave?wave coupling processes in disk oscillations. Accordingly, some characteristics of oscillations in deformed disks are also presented in this book.

The book consists of two parts. Points covered in Part I include, for instance, the basic characteristics of disk oscillations, classification of oscillation modes, and trapping of oscillations. In Part II, the focus is mainly on excitation processes of oscillations, while applications to observations are also discussed.

Prof. Shoji Kato
Emeritus professor, Department of Astronomy, Kyoto University
 

Explains the current state of disk-oscillation theory, providing a potentially important tool to accurately determine spins of black hole sources in the universe

Clarifies our current understanding of discoseismology as it becomes more important in future in elucidating the structure and evolution of astrophysical disks

Describes quasi-periodic oscillations in X-ray binaries, superhumps in dwarf novae, and long-term variations in Be stars and Be/X-ray binaries

Date de parution :

Ouvrage de 261 p.

15.5x23.5 cm

Disponible chez l'éditeur (délai d'approvisionnement : 15 jours).

Prix indicatif 137,14 €

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