Hot Stars
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Hot Stars In The Galactic Halo
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Author : Saul J. Adelman
language : en
Publisher: Cambridge University Press
Release Date : 1994-08-25
Hot Stars In The Galactic Halo written by Saul J. Adelman 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 1994-08-25 with Science categories.
The stars that comprise a halo around our Galaxy are intriguing - they have abundances of elements that suggest they are old. The properties of these 'hot stars' and similar stars in other galaxies challenge the current, well-established theory of stellar evolution in many ways. Studying the collective properties of these stars provides important input to many areas of astrophysics - including the formation of our Galaxy, the late phases of stellar evolution and the stellar populations of other galaxies. The study of hot stars in the halo of our Galaxy is undergoing an exciting renaissance owing to important new observations with the Hubble Space Telescope and ASTRO1 and to techniques recently developed for ground-based observations. Advances in computers have also recently led to a far more detailed and complete theoretical understanding of stellar evolution. A conference was held in Union College, New York, to gather experts in the field and this volume draws together their articles to provide an up-to-date and comprehensive review for graduate students and researchers.
Angular Momentum And Mass Loss For Hot Stars
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Author : L.A. Willson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Angular Momentum And Mass Loss For Hot Stars written by L.A. Willson 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.
Fundamental unsolved problems of stellar astrophysics include the effects of angular momentum on stellar structure and evolution, the nature and efficiency of the processes by which angular momentum is redistributed within and lost from stars, and the role that stellar rotation plays in enhancing or driving stellar mass loss. There appears to be a qualitative change in the nature and efficiency of these mechanisms near spectral type FO: hotter (more massive) stars typically retain more angular momentum at least until they reach the main sequence, while cooler stars typically spin down quickly. For the hotter stars, recent work suggests a strong link between the type of pulsation behavior, the mass loss rates, and the rotation velocity. If the same mechanisms are able to drive mass loss from the main sequence A stars, as has recently been proposed, then the current interpretations of a number of observations will be drastically affected: e. g. the ages of clusters may be incorrect by up to a factor of two, and the surface abundances of isotopes of He, Li and Be may no longer give constraints on cosmological nucleosynthesis. There are also effects on the evolution of the abundances of elements in the interstellar medium and on the general evolution of populations of stars. Thus the questions of the mechanisms of angular momentum and mass loss of stars more massive than the sun is important not only for stellar studies but for the foundations of much of modern astrophysics.
The Origin Of Nonradiative Heating Momentum In Hot Stars
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Author : Anne Barbara Underhill
language : en
Publisher:
Release Date : 1985
The Origin Of Nonradiative Heating Momentum In Hot Stars written by Anne Barbara Underhill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Early stars categories.
The Origin Of Hot Stars At High Galactic Latitudes
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Author : Barry Brendon Lynn
language : en
Publisher:
Release Date : 2006
The Origin Of Hot Stars At High Galactic Latitudes written by Barry Brendon Lynn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Cool Sites
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Author : Lisa Trumbauer
language : en
Publisher:
Release Date : 1999
Cool Sites written by Lisa Trumbauer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Biography & Autobiography categories.
Provides descriptions and Web addresses for numerous sites on the Internet that provide information about many different entertainers, actors, musicians, and other celebrities, entertainment companies, television shows, and more.
Hot Stars
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Author : Bels
language : id
Publisher: Eternity Publishing
Release Date : 2020-05-01
Hot Stars written by Bels and has been published by Eternity Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-01 with Fiction categories.
Bagi aktor sekaligus model papan atas seperti Giovanno Collins, mendapatkan wanita cantik untuk menjadi kekasihnya sangatlah mudah. Buktinya, setiap minggu ia dikabarkan menjalin hubungan dengan model atau wanita cantik berbeda. Hal itu mungkin akan berlaku juga ketika ia bertemu Johanna Vinsky. Artis cantik yang sedang naik daun dan tidak pernah memiliki pemberitaan buruk apapun dalam karirnya. Sayangnya, Johanna Vinsky tidak seperti yang dipikirkannya. Model cantik itu sudah pernah merasakan bagaimana dikhianati oleh pria semacam Giovanno Collins. Tentu saja, saat ini ia tidak akan jatuh di lubang yang sama untuk kedua kalinya. Bagaimana cara Vanno supaya Hanna tidak menghindarinya terus menerus? Apakah ia sanggup menahan dirinya ketika bersama Hanna? Dan Apakah cinta bisa muncul berawal dari rasa penasaran?
A Theoretical Study Of The Atmospheres Of Hot Stars
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Author : Katherine Blodgett Gebbie
language : en
Publisher:
Release Date : 2013
A Theoretical Study Of The Atmospheres Of Hot Stars written by Katherine Blodgett Gebbie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Extreme Ultraviolet Astronomy
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Author : Roger F. Malina
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Extreme Ultraviolet Astronomy written by Roger F. Malina and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Nature categories.
The field of extreme ultraviolet astronomy will see two major satellite observatories to be launched in 1991, one by ESA (ROSAT mission), one by NASA (EUVE mission). These Proceedings discuss the potential for EUV Astronomy, results from recent missions, approved and possible future missions and new developments in EUV technology.
Mechanisms Of Chromospheric And Coronal Heating
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Author : Peter Ulmschneider
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Mechanisms Of Chromospheric And Coronal Heating written by Peter Ulmschneider 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 2013-06-29 with Science categories.
One of the great problems of astrophysics is the unanswered question about the origin and mechanism of chromospheric and coronal heating. Just how these outer stellar envelopes are heated is of fundamental importance, since all stars have hot chromospheric and coronal shells where the temperature rises to millions of degrees, comparable to the temperatures in the stars' cores. Here for the first time is a comprehensive inventory of the proposed chromospheric and coronal heating theories. The proposed heating processes are critically compared, and the observational evidence for the various mechanisms is reviewed. This is essential reading for all those working in such fields as stellar activity, radio and XUV emission, rotation, and mass loss, for whom a detailed and consistent presentation of our knowledge of chromospheric and coronal heating mechanisms is urgently needed.
A Theoretical Study Of The Atmospheres Of Hot Stars
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Author : K. B. Gebbie
language : en
Publisher:
Release Date : 1965
A Theoretical Study Of The Atmospheres Of Hot Stars written by K. B. Gebbie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with categories.