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Quasars, and the menagerie of other galaxies with "unusual nuclei", now collectively known as Active Galactic Nuclei or AGN, have, in one form or another, sparked the interest of astronomers for over 60 years. The only known mechanism that can explain the staggering amounts of energy emitted by the innermost regions of these systems is gravitational energy release by matter falling towards a supermassive black hole --- a black hole whose mass is millions to billions of times the mass of our Sun. AGN emit radiation at all wavelengths. X-rays originating at a distance of a few times the event horizon of the black hole are the emissions closest to the black hole that we can detect; thus, X-rays...
Studies of stellar formation in galaxies have a profound impact on our understanding of the present and the early universe. The book describes complex physical processes involved in the creation of stars and during their young lives. It illustrates how these processes reveal themselves from radio wavelengths to high energy X-rays and gamma -rays, with special reference towards high energy signatures. Several sections devoted to key analysis techniques demonstrate how modern research in this field is pursued.
Graduate-level textbook providing a basic understanding of the astrophysical processes for readers in planetary science, and observational and theoretical astronomy.
Proceedings of a conference held in Heidelberg, Germany, July 15-20, 2013.
This text aims to provide simplified practical guidelines to start a hematopoietic stem cell transplantation unit which could be implemented in most centers and countries worldwide. The book also provides guidelines for existing transplantation units to upgrade their practice and implement new policies and procedures, in addition to developing therapies according to latest international standards and regulations. The book covers a wide range of practical implementation tools including HSCT program team structure, building inpatient and outpatient HSCT units, requisite laboratory support for transplantation program, practical aspects of stem cell collection and processing, HSCT program qualit...
Management of Sleep Disorders in Psychiatry provides the most comprehensive and evidence-based review or the clinical management of DSM-V® based sleep-wake disorders in patients with psychiatric disorders. Readers will be informed on the basics of sleep medicine, clinical features and treatment of DSM-V® sleep-wake disorders, and evidence-based management of sleep disorders commonly associated with a range of DSM-V® based psychiatric disorders. This is a clinically oriented book that provides case vignettes, key clinical pearls, and a self-assessment section to help readers prepare themselves for board and certification exams. Intended for psychiatry trainees and practitioners, this book could also prove useful for clinical psychologists, behavioral sleep medicine specialists, general sleep practitioners, sleep specialists and neurologists due to its wide range of clinical topics. Book jacket.
This volume contains the proceedings from the conference "The Labyrinth of Star Formation" that was held in Crete, Greece, in June 2012, to honour the contributions to the study of star formation made by Professor Anthony Whitworth of Cardiff University. The book covers many aspects of theoretical and observational star formation: low-mass star formation; young circumstellar discs; computational methods; triggered star formation; the stellar initial mass function; high-mass star formation and stellar clusters. Each section starts with a review paper, followed by papers discussing recent theoretical and observational work. This volume summarises our current understanding of star formation and is useful for both graduate students and researchers alike.
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Most stars show some degree of magnetic activity, from the familiar variations in the Sun's magnetic field, which coincide with the sun-spot cycle, to the enormous magnetic fields created by rotating neutron stars. Magnetic fields are also a potential key to understanding the formation of new stars and the behavior of galactic nuclei. This book by one of the leading figures in stellar magnetism provides an authoritative survey of this rapidly developing field. Based on a lifetime of research, the book places stellar magnetism in a broad astronomical scope and provides a thorough, well-argued treatment of current work. It covers the key topics, discussing the relevant mathematics in detail and including numerous references, and many of the topics, particularly accretion discs, dynamos, and winds, are equally important to the study of galaxies and galactic nuclei.