Light Curve Modeling Of Eclipsing Binary Stars
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Eclipsing Binary Stars
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Author : Josef Kallrath
language : en
Publisher: Springer Science & Business Media
Release Date : 1999
Eclipsing Binary Stars written by Josef Kallrath 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 with Science categories.
This book provides astronomers with a guide to specifying an astrophysical model for a set of observations, selecting an algorithm to determine the parameters of the model, and estimating the errors of the parameters.
Light Curve Modeling Of Eclipsing Binary Stars
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Author : E.F. Milone
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Light Curve Modeling Of Eclipsing Binary Stars written by E.F. Milone 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.
In the two decades since the development of the first eclipsing-binary modeling code, new analytic techniques and the availability of powerful, sometimes dedicated computing facilities have made possible vastly improved determinations of fundamental and even transient stellar parameters. The scale of these developments, of course, raises questions about modeling tools, techniques, and philosophies, such as: Who will maintain and upgrade the codes? Will the codes be open to improvement by outsiders, and if so, how? And, indeed, what should be the goals of a modeling program? Such questions had not been aired for a long time and, for this reason alone, deserved to be discussed in as general a forum as the community provides. This volume contains material presented by Commission 42 (Close Binary Stars) during the International Astronomical Union's XXI General Assembly in Argentina, July 1991, and during IAU Colloquium 151, Cordoba, Argentina, August 1991. The techniques discussed include simulations of stellar bright and dark spots, streams, partial and complete stellar disks, prominences, and other features characterizing active stars; modeling of polarization parameters; models that use radial velocities as well as line profile simulations to model velocity field variation across stellar disks; the weighted effects of brightness asymmetries; and models for translucent eclipsing agents such as stellar winds.
Light Curve Modeling Of Eclipsing Binary Stars
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Author : E.F. Milone
language : en
Publisher: Springer Science & Business Media
Release Date : 1993
Light Curve Modeling Of Eclipsing Binary Stars written by E.F. Milone 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 1993 with Science categories.
In the two decades since the development of the first eclipsing-binary modeling code, new analytic techniques and the availability of powerful, sometimes dedicated computing facilities have made possible vastly improved determinations of fundamental and even transient stellar parameters. The scale of these developments, of course, raises questions about modeling tools, techniques, and philosophies, such as: Who will maintain and upgrade the codes? Will the codes be open to improvement by outsiders, and if so, how? And, indeed, what should be the goals of a modeling program? Such questions had not been aired for a long time and, for this reason alone, deserved to be discussed in as general a forum as the community provides. This volume contains material presented by Commission 42 (Close Binary Stars) during the International Astronomical Union's XXI General Assembly in Argentina, July 1991, and during IAU Colloquium 151, Cordoba, Argentina, August 1991. The techniques discussed include simulations of stellar bright and dark spots, streams, partial and complete stellar disks, prominences, and other features characterizing active stars; modeling of polarization parameters; models that use radial velocities as well as line profile simulations to model velocity field variation across stellar disks; the weighted effects of brightness asymmetries; and models for translucent eclipsing agents such as stellar winds.
Eclipsing Binary Stars
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Author : Josef Kallrath
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Eclipsing Binary Stars written by Josef Kallrath 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 2013-11-11 with Science categories.
Have you ever stopped at a construction project on the way to your office and the day's astrophysics? Remember the other onlookers-folks just en joying the spectade, as we all do in following developments away from our areas of active work? We are excited and thrilled when the Hubble Space Telescope discovers an Einstein Cross, when the marvelous pulsars enter our lives, and when computer scientists put a little box on our desk that out-performs yesterday's giant machines. We are free to make use of such achievements and we respect the imagination and discipline needed to bring them about, just as onlookers respect the abilities and planning needed to create a building they may later use. After all, each of us contributes in our own areas as best we can. In addition to the serious onlookers there will be passers-by who take only a casual look at the site. They may use the building later, but have little or no interest in its construction, and give no thought to the resources needed to bring it to completion. Upon arriving at work, those persons write astronomy and astrophysics books at various levels, in which they must say something about dose binary stars. Usually a page or two will do, and the emphasis is on the MLR (mass, luminosity, radius) data obtained only from binaries.
Eclipsing Binary Stars
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Author : Panagiotis G. Niarchos
language : en
Publisher:
Release Date : 2001
Eclipsing Binary Stars written by Panagiotis G. Niarchos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Astronomy categories.
The importance of studying Eclipsing Binary Stars for the determination of fundamental stellar data is sketched. The eclipsing binaries, originally classified phenomenologically, are now understood on the basis of much firmer physics and the improved understanding has led to a morphological basis of classification. The main light curve models developed since Russell's era are presented along with the respective programs for analysis (Kallrath & Milone 1999). These models are based on the geometric effects due to eclipses and on physical proximity effects between the components. Significant progress was made in the early 1970s, when models and programs were developed to compute (synthetic) light and velocity curves directly. Such models and programs were based on spherical stars, ellipsoidal geometry and on Roche geometry. During the last 25 years the analysis of photometric and spectroscopic data of eclipsing binaries has been performed by means of synthetic light curve programs based on Roche geometry. The synthetic light curve programs, based on physical models, have contributed to our understanding of physical processes in stars and have been used to solve several important astrophysical problems. A desirable feature of a light curve program is the ability to incorporate additional astrophysics. There is a continuing need to improve the model physics, as we become more aware of the observational properties of stars.
An Introduction To Close Binary Stars
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Author : R. W. Hilditch
language : en
Publisher: Cambridge University Press
Release Date : 2001-03-12
An Introduction To Close Binary Stars written by R. W. Hilditch 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 2001-03-12 with Science categories.
Binary systems of stars are as common as single stars. They are of fundamental importance because they allow stellar masses, radii and luminosities to be measured directly, and explain a host of diverse and energetic phenomena including X-ray binaries, cataclysmic variables, novae, symbiotic stars, and some types of supernovae. This 2001 book was the first to provide a pedagogical and comprehensive introduction to binary stars. It combines theory and observations at all wavelengths to develop a unified understanding of binaries of all categories. It comprehensively reviews methods for calculating orbits, the Roche model, ideas about mass exchange and loss, methods for analysing light curves, the masses and dimensions of different binary systems, and imaging the surfaces of stars and accretion structures. This book provides a thorough introduction to the subject for advanced undergraduate and graduate students. Researchers will also find this to be an authoritative reference.
An Introduction To The Study Of Eclipsing Variables
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Author : Zdeněk Kopal
language : en
Publisher:
Release Date : 1946
An Introduction To The Study Of Eclipsing Variables written by Zdeněk Kopal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1946 with Science categories.
Binary Stars As Critical Tools And Tests In Contemporary Astrophysics Iau S240
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Author : International Astronomical Union. Symposium
language : en
Publisher: Cambridge University Press
Release Date : 2007-08-27
Binary Stars As Critical Tools And Tests In Contemporary Astrophysics Iau S240 written by International Astronomical Union. Symposium 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 2007-08-27 with Science categories.
IAU Symposium 240, held in conjunction with the 26th General Assembly of the International Astronomical Union, highlights the latest advances in the field of binary and multiple stars, and was the first major meeting in recent years bringing together members of both the 'wide' and 'close' binary communities. Topics discussed ranged from common proper motion pairs and other 'fragile' binaries to contact binaries and star/brown-dwarf/planet systems, exploring the numerous interests common to all binary star researchers. Highlights included talks on observing binaries using high angular and spectral resolution techniques, the impacts of new and planned large-scale surveys, recent models for binary evolution, new methods for analyzing cataclysmic pairs and disentangling spectra, surveys of extragalactic eclipsing binaries, Doppler tomography and imaging, and binaries as probes of the Galaxy's chemical and dynamical evolution. This volume will be an important reference source for binary star researchers for many years to come.
Nuclear Science Abstracts
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Author :
language : en
Publisher:
Release Date : 1976
Nuclear Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Nuclear energy categories.
Third Pacific Rim Conference On Recent Development On Binary Star Research
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Author : Kam-Ching Leung
language : en
Publisher:
Release Date : 1997
Third Pacific Rim Conference On Recent Development On Binary Star Research written by Kam-Ching Leung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.