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Instability and Variability of Hot-Star Winds: Proceedings of an International Workshop Held at Isle-aux-Coudres, Quebec Province, Canada 23–27 August, 1993 - Tapa blanda

 
9789401041393: Instability and Variability of Hot-Star Winds: Proceedings of an International Workshop Held at Isle-aux-Coudres, Quebec Province, Canada 23–27 August, 1993
Tapa blanda
ISBN 10: 9401041393 ISBN 13: 9789401041393
Editorial: Springer, 2013

Sinopsis

Instability and Variability of Hot-Star Winds

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Reseña del editor

This specialized workshop was conceived during the workshop on "Non­ isotropic and Variable Outflows from Stars", which was held at the Space Telescope Science Institute in October, 1991. At that meeting, the four of us collectively decided that the time was ripe for an even more focussed discussion of the basic issues in the area of hot-star wind instability and its observable manifestations. Not that the big problems have been solved! Rather, we are currently in a phase of rapid development, both with regard to the models and to the observations. The key issue at this new workshop would be to decide how the time-dependent structures observed in hot-star winds (e. g. , NACs, DACs, blobs, clumps, filaments, shells, puffs, jets, etc. ) relate to radiative and other instabilities. Further questions concern the role of turbulence and the nature of its driver, and the effect of stellar rotation, pulsation, and magnetic fields on time-dependent phenomena in hot-star winds. Of no less importance is the impact of stellar wind variability on the derivation of mass-loss rates, on stellar evolution, and on momentum/energy deposition in the interstellar medium. To attain our goal of maximum confrontation (in the positive sense!) we decided: (1) to limit the workshop to the observers and theoreticians most active in this field in the world; (2) to insist that virtually all participants present a talk, thereby avoiding the distraction of poster sessions; and (3) to allocate approximately half of the allotted time to discussion.

Reseña del editor

These proceedings of a workshop held at Isle-aux-Coudres, Quebec, Canada in August 1993, provide a comprehensive, up-to- date assessment of a fundamental subject in modern stellar astrophysics. Hot, luminous stars play a crucial role in the rapid recycling of matter in dense regions of the Universe. The most luminous objects generate the strongest outflows of material, which in turn have a profound impact on both the interstellar medium and the underlying stars themselves. However, recent observational and theoretical advances have shown that these outflows are highly unstable and inhomogeneous. These characteristics constitute a fundamental property of the outflows that can no longer be disregarded. Instability and Variability of Hot-Star Winds provides an in-depth assessment of this important phenomenon from both an observational and a theoretical perspective. It includes up-to- date discussions of the observational diagnostics of time- dependent stellar-wind structure, the theoretical understanding of the origin of such structures, and its consequences for the process of mass loss via stellar winds. The book presents some 40 invited papers, each followed by in-depth discussions which occupied nearly half of the workshop schedule. A round-table discussion summarizes the current state of affairs. This book is suitable for researchers and graduate students studying the radiation hydrodynamics of hot-star winds and related areas of research (e.g. astrophysical flows, turbulence).

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Editorial
Springer
Año de publicación
2013
Idioma
Inglés
ISBN 10 
9401041393
ISBN 13 
9789401041393
Encuadernación
Tapa blanda
Número de páginas
520
Editor
Moffat Anthony F.J., Owocki Stanley P., Fullerton Alex W., St-Louis Nicole
Contacto del fabricante
no disponible
Persona responsable
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