Wide Components in Double and Multiple Stars PDF Download
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Author: J. Dommanget
Publisher: Springer Science & Business Media
ISBN: 9400929870
Category : Science
Languages : en
Pages : 292
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Book Description
Proceedings of the 97th Colloquium of the International Astronomical Union, held in Brussels, Belgium, June 8-13, 1987
Author: J. Dommanget
Publisher: Springer Science & Business Media
ISBN: 9400929870
Category : Science
Languages : en
Pages : 292
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Book Description
Proceedings of the 97th Colloquium of the International Astronomical Union, held in Brussels, Belgium, June 8-13, 1987
Author: Harold A. McAlister
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 632
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Author: J.A. Docobo
Publisher: Springer Science & Business Media
ISBN: 9400914776
Category : Science
Languages : en
Pages : 500
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Book Description
This workshop is devoted to Double stars. The general topics of the meeting were: for mation, dynamics and evolutionary tracks. In accordance with the pure tradition of the Saint James way, "pilgrims" from all over the world come to meet together in Santiago. Although with a common interest (double stars), this meeting was a multidisciplinary one, since scientists with different backgrounds participated in it. As a matter of fact, we think that this is the first workshop jointly supported by IAU Commissions 7 (Celestial mechanics) and 26 (Double and multiple stars). It is our belief that this meeting will be the origin of a more close relations and common research. This meeting was held under the invitation of the University of Santiago de Compostela to commemorate its fifth centenary, and organized by the Astronomical Observatory named after its founder, Ramon M. Aller, who made significant contributions in the study of visual double stars, and was one of the pioneers who put the seeds of the present blossoming of Astronomy in Spain. The Scientific Organizing Committee was formed by Drs. C. Allen, P. Couteau, J. A. Docobo, R. Dvorak, A. Elipe, S. Ferraz-Mello (co-chairman), H.A.McAlister, M. Valtonen, C.Worley (chairman) and H. Zinnecker. The Local Organizing Committee was formed by Drs. J. A. Docobo (chairman), A.
Author: Terence Dickinson
Publisher: Firefly Books
ISBN: 1552093026
Category : Astronomy
Languages : en
Pages : 180
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Book Description
A practical guide to viewing the universe.
Author: W.D. Heintz
Publisher: Springer Science & Business Media
ISBN: 9400998368
Category : Science
Languages : en
Pages : 185
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Book Description
Double and multiple stars are the rule in the stellar population, and single stars the minority, as the abundance of binary systems in the space surrounding the sun shows beyond doubt. Numerous stellar features, and methods of their exploration, ensue specifically from the one but widespread property, the binary nature. Stellar masses are basic quantities for the theory of stellar structure and evolution, and they are ob tained from binary-star orbits where they depend on the cube of observed parameters; this fact illustrates the significance of orbits as well as the accuracy requirements. Useful in dating stellar history is the knowledge that components of a system, different though they may appear, are of the same origin and age. Between star formation and the genesis of binaries a direct connection can be traced. The later stages of stellar life branch into a great variety as mutual influence between the components of a close binary pair develops. Transfer and exchange of mass and the presence of angular momentum in the orbit give rise to special tracks of evolution, not found for single stars, and to peculiar spectral groups. This is not a new story but it has a new ending: The patterns of evolution involving mass transfer appear to lead ultimately to single objects.
Author: B. Hidayat
Publisher: Springer Science & Business Media
ISBN: 9400963726
Category : Science
Languages : en
Pages : 400
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Book Description
The Bosscha Observatory in Lembang, Java, Indonesia, celebrated in 1983 its 60th anniversary. Since its foundation, the physical properties of binary systems have formed a major research topic of this observatory. Until 1970, the study of visual binaries and the determination of orbits received most emphasis. Since then, also the evolution of close binary systems, such as X-ray binaries, Wolf-Rayet binaries and binary pulsars, has been researched with priority in Lembang. It seemed thus appropriate that a Colloquium devoted to the study of binary systems be held in Lembang at the time of the Observatory's anniversary. In the Colloquium, the role of wide double (and multiple) systems received special emphasis - not only because of the long tradition of visual binary research at Lembang; but also because their role in documenting stellar evolution has been largely overlooked in recent decades, and needs to be brought into focus with the information forthcoming from close binaries. The Colloquium covered the physical properties of visual as well as close binary systems, and their generic relations, in the broadest possible sense. It was sponsored by the International Astronomical Union as IAU Colloquium No. 80 ('Double Stars, Physical Properties and Generic Relations'). After the official opening ceremony, the meeting started with a discussion on the future of astronomy in Asia. The scientific sessions began with the 'V. Bappu Memorial Lecture on the Evolution of Binary Systems', presented by Z. Kopal.
Author: Royal Dublin Society
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 616
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 640
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Author: ROYAL DUBLIN SOCIETY
Publisher:
ISBN:
Category :
Languages : en
Pages : 622
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 792
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