The Opacity Project
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The Opacity Project
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Author : Opacity Project Team
language : en
Publisher: CRC Press
Release Date : 1994-01-01
The Opacity Project written by Opacity Project Team and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-01-01 with Science categories.
Opacity is a quantity that determines the transport of radiation through matter and is important in many problems in physics and astrophysics. To calculate opacities, one requires atomic data for a large number of processes involving the absorption and scattering of radiation. Stellar opacities are of particular interest in astrophysics because of their importance for theories of stellar structure and stellar pulsations. Taking advantage of advances in computational atomic and plasma physics and of the availability of powerful supercomputers, The Opacity Project, Volume 2: Selected Research Papers-Atomic Data Tables for S to Fe presents accurate atomic data required for opacity calculations. The work includes computation of energy levels, oscillator strengths, photoionization cross sections, and parameters for pressure broadening of spectral lines. The book uses several different methods of computation to calculate the same data, thereby providing a check on the validity of the data. Divided into two parts, the first presents seven key research papers that review available data and detail the relevant atomic data calculations while the second part provides tables of energy levels and oscillator strengths for the elements S, Ar, Ca and Fe. The Opacity Project Team is comprised of 30 experts from 13 leading international laboratories and observatories in atomic physics and astrophysics.
The Opacity Project 2 Volume Set
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Author : Opacity Project Team
language : en
Publisher: CRC Press
Release Date : 1996-12-01
The Opacity Project 2 Volume Set written by Opacity Project Team and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-12-01 with Science categories.
Opacity is a quantity which determines the transport of radiation through matter, and is important in many problems in physics and astronomy. To calculate opacities one requires atomic data for a large number of processes involving the absorption and scattering of radiation. Stellar opacities are of particular interest in astrophysics because of their importance for theories of stellar structure and stellar pulsations. Taking advantage of advances in computational atomic and plasma physics and of the availability of powerful supercomputers, a collaborative effort - the international Opacity Project - has been made to compute accurate atomic data required for opacity calculations. The work includes computation of energy levels, oscillator strengths, photoionisation cross sections and parameters for pressure broadening of spectral lines. Several different methods of computation have been used to calculate the same data thereby providing a check on the validity of the data. The Opacity Project Team is made up of 30 experts drawn from 13 leading laboratories and observatories in atomic physics and astrophysics in the USA, Europe and South America. The Project has been running since 1986. The Opacity Project Volume 1 is the first of a two-volume reference work produced by the international Opacity Project. It is divided into two parts: *Reprints of 31 key research papers elaborating the theoretical physical basis and computational methods used to produce the data. These papers provide essential background for researchers to understand how the data are produced. *Tables of energy levels and oscillator strengths for atoms and ions of the elements He to Si. The Opacity Project Volume 2 is the second of a two-volume reference work produced by the international Opacity Project. It contains tables of energy levels and oscillator strengths for the elements S, Ar, Ca and Fe.
The Origin Of Stars And Planetary Systems
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Author : Charles J. Lada
language : en
Publisher: Springer Science & Business Media
Release Date : 1999-07-31
The Origin Of Stars And Planetary Systems written by Charles J. Lada 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 1999-07-31 with Science categories.
The Origin of Stars and Planetary Systems is a collection of tutorial reviews that critically and systematically discuss the current state of our knowledge of star formation and early stellar evolution, from the genesis of giant molecular clouds to the birth of young stars and their surrounding planetary systems. The chapters are written at the graduate student level by a group of twenty internationally distinguished scientists. The emphasis is on fundamentals rather than recent research results. The book thus provides a rigorous treatment of the basic empirical and theoretical foundations of modern star formation research. The book is a unique reference, based on the authors' own pioneering research. Readership: Primary or supplementary text for graduate courses on star formation. Basic reference for professional scientists needing a solid background in the area.
The Type Project Book
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Author : Nigel French
language : en
Publisher: New Riders
Release Date : 2020-10-02
The Type Project Book written by Nigel French and has been published by New Riders this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-02 with Computers categories.
The Type Project Book brings together a collection of typographically-focused design projects for all beginning to intermediate-level graphic designers. Renowned design instructor Nigel French approaches each project from both technical and aesthetic points of view, showing the starting state and milestones along the way to the finished deliverable. Wherever appropriate, French discusses historical precedent and professional examples of meeting the same challenge. French describes the assets required and the software used, without presenting screenshots that may quickly become outdated. This guide’s self-contained projects build on examples French first created in his popular courses for Lynda.com/LinkedIn Learning. Its extensively illustrated, attractive format will also appeal to users who just want to dip in and out for specific knowledge and skills. Ideal for independent self-study and exploration by working designers who want to expand their skills and build their portfolios, The Type Project Book has also been crafted to support graphic design students who need a strong foundation in typography.
New Perspectives On Stellar Pulsation And Pulsating Variable Stars
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Author : James M. Nemec
language : en
Publisher: Cambridge University Press
Release Date : 1993-10-21
New Perspectives On Stellar Pulsation And Pulsating Variable Stars written by James M. Nemec 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 1993-10-21 with Science categories.
How can the interior of the Sun, white dwarfs and other stars be studied by stellar seismology? What can Doppler imaging tell us about high-degree pulsations? What impact are CCD and infrared observations having on extending the Cepheid and RR Lyrae distance scale? And how are other classes of pulsators providing independent checks of the distance scale? These and many other critical questions are answered in this timely review of the dramatic advances made in pulsating star research in the last decade. This survey collects together more than thirty comprehensive reviews and over one hundred summaries of research papers from the 139th IAU Colloquium, held in Victoria, British Columbia. Together these cover all aspects of recent developments in the field of variable star research and preview some of the exciting advances anticipated for the next decade. This volume provides an essential review for graduate students and researchers.
Many Body Theory Of Atomic Structure And Photoionization
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Author : Tu-nan Chang
language : en
Publisher: World Scientific
Release Date : 1993
Many Body Theory Of Atomic Structure And Photoionization written by Tu-nan Chang and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Science categories.
Detailed discussions on many of the recent advances in the many-body theory of atomic structure are presented by the leading experts around the world on their respective specialized approaches. Emphasis is given to the photoionization dominated by the resonance structures, which reveals the effect of the multi-electron interaction in atomic transitions involving highly correlated atomic systems. Recent experimental developments, stimulated by the more advanced applications of intense lasers and short wavelength synchrotron radiation, are also reviewed. This book brings together a comprehensive theoretical and experimental survey of the current understanding of the basic physical processes involved in atomic processes.
Opacity
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Author : Walter F. Huebner
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-01-02
Opacity written by Walter F. Huebner 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 2014-01-02 with Science categories.
This book covers all aspects of opacity and equations of state for gases, plasmas, and dust. The discussion emphasizes the continuous transformation of the equilibrium compositions of these phases as a function of temperature and density.
Elements And The Cosmos
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Author : Bernard Ephraim Julius Pagel
language : en
Publisher: Cambridge University Press
Release Date : 1992-10-15
Elements And The Cosmos written by Bernard Ephraim Julius Pagel 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 1992-10-15 with Science categories.
While there have been many books on cosmology and galactic and stellar evolution in which abundance analysis of astrophysical objects has played some part, this book is the first one for several years where specialists in the various relevant fields discuss the basis and implications of the subject as a whole. The major aim of the book is to bring together the results from high redshift studies and galactic studies in a coherent way and to cover relevant aspects of nuclear and atomic physics.
Variable Stars As Essential Astrophysical Tools
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Author : Cafer Ibanogammalu
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Variable Stars As Essential Astrophysical Tools written by Cafer Ibanogammalu 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.
Pulsating and eccentric binary stars play a fundamentally important role in deciphering the mass distribution within stars. The present volume reviews the fundamental concepts of both radial and nonradial oscillations in the stars, including the Sun. Helio- and astroseismological results are reviewed, from the basics to the most recent developments. A new theory is presented, which seems to explain the mechanism of the light and radial velocity variations of recently discovered Ap stars. This textbook covers almost all kinds of variable stars of widely different characteristics. It will serve as a reference text for a very long time to come, not only for specialists but also for undergraduate students of physics and astronomy.
From Dust To Stars
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Author : Norbert S. Schulz
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-03-06
From Dust To Stars written by Norbert S. Schulz 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 2007-03-06 with Science categories.
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.