The Physics And Dynamics Of Planetary Nebulae
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The Physics And Dynamics Of Planetary Nebulae
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Author : Grigor A. Gurzadyan
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-09
The Physics And Dynamics Of Planetary Nebulae written by Grigor A. Gurzadyan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-09 with Science categories.
Planetary nebulae are the classic subject of astrophysics. The physical pro cesses occurring in this highly ionized gaseous medium, the formation of emis sion lines in clearly specified conditions, the continuous emission extending from the far ultraviolet up to infrared and radio frequencies, the generation of exotic forms of radiation predicted by atomic physics, along with methods for deciphering the observed spectra and detecting physical and kinematic parameters of the radiating medium, etc. - all these problems form the solid foundations of the physical theory of gaseous nebulae. They are an essential part of the arsenal of powerful tools and concepts without which one cannot imagine understanding and interpreting the enormous diversity of processes taking place in the Universe - in gaseous envelopes surrounding the stars of various classes, from cool dwarfs and flare stars up to hot supergiants, as well as in stellar chromospheres and coronae, in atmospheres of unstable and anomalous stars, in circumstellar clouds and gaseous shells born in nova and supernova explosions, in diffuse nebulae and the interstellar medium, in interacting binary systems, in galaxies with emission lines, in quasars, etc. The last thirty years have seen a turning-point in our knowledge concern ing the very nature of planetary nebulae (PNs). The radio emission of PNs was discovered after it was predicted theoretically. On the other hand, the powerful infrared emission discovered both in the continuum and in emission lines was never expected.
Planetary Nebulae
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Author : G.A. Gurzadyan
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Planetary Nebulae written by G.A. Gurzadyan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The publication in English of this monograph seems to me to indicate the ever increasing interest of astrophysicists in the physical and dynamical problems of planetary nebulae-one of the most interesting and fruitful branches of theoretical astrophysics. Their interest in part arises from the fact that the methods of identify ing the physical processes occurring in planetary nebulae, as well as the many theo retical results, are now acquiring a degree of uni versality as their sphere of application increases. Finally, the special cosmic significance of planetary nebulae is becoming apparent. The English edition of Planetary Nebulae differs considerably from the Russian version published in 1962, primarily because of the new results included in it, but also because of numerous editorial revisions. The problems of magnetic fields and hydrodynamics in planetary nebulae are beginning to occupy an important place in the study of the dynamics of these objects. Recent studies by D. H. Menzel confirm the idea advanced in the present mono graph as to the existence of magnetic fields in planetary nebulae. New light is being cast on the dynamics of planetary nebulae by the hydrodynamic investigations of F. D. Kahn, W. G. Mathews and others. Unfortunately I was not able to include these and other interesting results in the present edition.
Kinematics And Dynamics Of Diffuse Astrophysical Media
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Author : John E. Dyson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Kinematics And Dynamics Of Diffuse Astrophysical Media written by John E. Dyson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The area of diffuse astrophysical media is enormous and ranges over circum stellar to extragalactic scales. The physical conditions can vary from cool dusty gases to collections of relativistic particles. Flows in such media are set up by en ergy and momentum injection from winds, jets and explosions. The study of these phenomena involves physics, chemistry and, inevitably, hydrodynamics. One of the most important aspects of this study is the ever increasing overlap between theory and observation. Indeed, it can be argued that the only way to really understand these complex flows which can never be duplicated under terrestrial conditions, is to encourage this overlap, and this was one major aim of this Conference. Because of the long theoretical and observational association of the Manchester Group with this general area, Manchester seemed an appropriate venue for this Con ference. But in fact this long association and the actual year of the Conference are connected. In 1951 Franz Kahn joined the Astronomy Department at Manchester University and immediately the study of diffuse media, particularly the hydrody namic aspects, commenced and has flourished ever since. Franz became Head of the Astronomy Department in 1981 following the retirement of Professor Z. Kopal, who founded the Department and was instrumental in attracting Franz to it. In 1993, Franz retired from this position and a most serendipidous coincidence was his election to the Royal Society announced shortly before the Conference.
The Origin And Evolution Of Planetary Nebulae
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Author : Sun Kwok
language : en
Publisher: Cambridge University Press
Release Date : 2007-08-11
The Origin And Evolution Of Planetary Nebulae written by Sun Kwok and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-11 with Science categories.
This authoritative volume presents a thoroughly modern understanding of planetary nebulae, integrating new developments in stellar physics with the dynamics of nebular evolution. It covers all the stages in the evolution of planetary nebulae, carefully synthesizes observations from across the spectrum and clearly explains all the key physical processes at work. Particular emphasis is placed on recent observations from space, using the Hubble Space Telescope, the Infrared Space Observatory and the ROSAT satellite. Coverage also describes exciting possibilities such as the use of planetary nebulae in determining the cosmic distance scale, the distribution of dark matter and the chemical evolution of galaxies. This book provides graduate students with an accessible introduction to planetary nebulae, and researchers with an authoritative reference. It can also be used as an advanced textbook on the physics of the interstellar medium.
Planetary Nebulae Beyond The Milky Way
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Author : L. Stanghellini
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-07-30
Planetary Nebulae Beyond The Milky Way written by L. Stanghellini and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-07-30 with Science categories.
Recently, improved observational capabilities have allowed the study of fainter and fainter extra-galactic planetary nebulae in galaxies well beyond the Milky Way. This book result from a workshop held at ESO headquarters in Garching in 2004, the first devoted to Extra-galactic Planetary Nebulae. A wide range of topics is covered, from stellar and nebular astrophysics to galactic dynamics and galaxy clusters, making this a reference of broad astrophysical interest.
An Introduction To Planetary Nebulae
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Author : Jason J. Nishiyama
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2018-05-25
An Introduction To Planetary Nebulae written by Jason J. Nishiyama and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-25 with Science categories.
In this book we will look at what planetary nebulae are, where they come from and where they go. We will discuss what mechanisms cause these beautiful markers of stellar demise as well as what causes them to form their variety of shapes. How we measure various aspects of planetary nebulae such as what they are made of will also be explored. Though we will give some aspects of planetary nebulae mathematical treatment, the main points should be accessible to people with only a limited background in mathematics. A short glossary of some of the more arcane astronomical terms is at the end of the book to help in understanding. Included at the end of each chapter is an extensive bibliography to the peer reviewed research on these objects and I would encourage the reader interested in an even deeper understanding to read these articles.
Planetary Nebulae
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Author : Stuart R. Pottasch
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Planetary Nebulae written by Stuart R. Pottasch and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The purpose of this book is to give a detailed description of the planetary nebulae including the relevant astronomical observations and their interpretation. Considerable attention is given to the evolution of these objects as well as to their physical characteristics. I t is hoped that the book be useful to both advanced research workers and to students with some background in astronomy. In this regard, the book should serve as a text as well as a reference work. The many tables included are expected to be useful for both purposes. The references are generally not included in the text except for historical purposes in an effort to improve readability. References are given at the end of each chapter together with sufficient text to describe their content. No attempt has been made to make the list of references complete; on the contrary it has generally been limited to the most recent literature on the subject which in turn refers to earlier research. Again, exceptions have been made for references of historical interest.
Planetary Nebulae In Our Galaxy And Beyond Iau S234
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Author : Roberto H. Méndez
language : en
Publisher: Cambridge University Press
Release Date : 2007-02-05
Planetary Nebulae In Our Galaxy And Beyond Iau S234 written by Roberto H. Méndez and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-02-05 with Science categories.
Planetary nebulae represent the brief transition between Asymptotic Giant Branch stars and White Dwarfs. As multi-wavelength laboratories they have played a key role in developing our understanding of atomic, molecular, dust and plasma processes in astrophysical environments. The means by which their wonderfully diverse morphologies are obtained is currently the subject of intense research, including hydrodynamical shaping mechanisms and the role of binarity, stellar magnetic fields and rotation. Their contribution to the chemical enrichment of galaxies is another very active research area, as is the ever growing use of their narrow high luminosity emission lines to probe the dynamics and mass distributions of galaxies and the intergalactic media of clusters of galaxies. IAU S234 summarises the current status of research on the properties and processes of planetary nebulae, as reported in reviews and papers by leading experts working in the field.
Planetary Nebulae
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Author : Grigor Aramovich Gurzadi͡an
language : en
Publisher:
Release Date : 1971
Planetary Nebulae written by Grigor Aramovich Gurzadi͡an and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Planetary nebulae categories.
Planetary Nebulae
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Author : International Astronomical Union
language : en
Publisher: Springer
Release Date : 1983-04-30
Planetary Nebulae written by International Astronomical Union and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983-04-30 with Science categories.
Proceedings of IAU Symposium No. 103, held at University College, London, U.K., August 9-13, 1982