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Dynamical Evolution of Dense Stellar Systems (IAU S246)

2008-06-12 Science
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Release : 2008-06-12
Genre : Science
Kind : eBook
Book Rating : 687/5 ( reviews)

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Book Synopsis Dynamical Evolution of Dense Stellar Systems (IAU S246) by : International Astronomical Union. Symposium

Download or read book Dynamical Evolution of Dense Stellar Systems (IAU S246) written by International Astronomical Union. Symposium. This book was released on 2008-06-12. Available in PDF, EPUB and Kindle. Book excerpt: Dense stellar systems lie at the interface between dynamics, stellar evolution, and galaxy formation, and they provide us with an ideal laboratory to understand many different aspects of these important fields as well as to explore the interplay between them. The complete study of dense stellar systems is a very challenging task which requires the collaboration and the exchange of ideas of astronomers and physicists with observational and theoretical expertise in galactic and extra-galactic astronomy, stellar dynamics, hydrodynamics, stellar evolution, as well as knowledge of many aspects of computational physics. IAU Symposium 246 brought together experts in all these areas to cover the broad field of dense stellar systems with particular emphasis on the interplay between them and on the comparison between observations and simulations. This volume provides a complete review of the most recent studies in this topical research.

Stellar Evolution in Dense Stellar Systems

2009 Stellar dynamics
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Release : 2009
Genre : Stellar dynamics
Kind : eBook
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Book Synopsis Stellar Evolution in Dense Stellar Systems by : Ofer Yaron

Download or read book Stellar Evolution in Dense Stellar Systems written by Ofer Yaron. This book was released on 2009. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamics of Stellar Systems

2016-10-13 Science
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Release : 2016-10-13
Genre : Science
Kind : eBook
Book Rating : 457/5 ( reviews)

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Book Synopsis Dynamics of Stellar Systems by : K. F. Ogorodnikov

Download or read book Dynamics of Stellar Systems written by K. F. Ogorodnikov. This book was released on 2016-10-13. Available in PDF, EPUB and Kindle. Book excerpt: Dynamics of Stellar Systems focuses on the theoretical problems in stellar dynamics. The book first offers information on stellar dynamics, including historical development, fundamentals of synthetic method, and value of stellar dynamics. The text discusses the fundamental concepts of stellar statistics. Properties of univariate distribution functions; multivariate distribution functions; and statistical properties of stars are explained. The text then describes the elementary theory of galactic rotation and irregular forces in stellar systems. The text also tackles statistical stellar dynamics of neglecting encounters. Considerations include Boltzmann equation in curvilinear coordinates; importance of using one-valued integrals of the motion; and fundamental differential equation of stellar dynamics. The book also underscores the regular orbit of stars and dynamics of centroids. The text describes the dynamics of spherical stellar and rotating stellar systems. The theory of polytropic spheres; basic equations for spherical systems; masses and rotation of galaxies; and boundaries of galaxies are discussed. The text is highly recommended for readers interested in stellar dynamics.

Dynamics and Evolution of Dense Stellar Systems

2004
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Release : 2004
Genre :
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Book Synopsis Dynamics and Evolution of Dense Stellar Systems by : John Michael Fregeau

Download or read book Dynamics and Evolution of Dense Stellar Systems written by John Michael Fregeau. This book was released on 2004. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) The results clearly show that the presence of even a small fraction of binaries in a cluster is sufficient to support the core against collapse significantly beyond the normal core collapse time predicted without the presence of binaries. For tidally truncated systems, collapse is delayed sufficiently that the cluster will undergo complete tidal disruption before core collapse. Moving a step beyond analytical prescriptions, I incorporate into the Monte-Carlo code an exact treatment of binary-single interactions, and show that the results are in good agreement with those using analytical prescriptions. The direct integration of binary interactions in the Monte-Carlo code requires a reason- ably sophisticated N-body code geared toward small-N dynamics. I present and describe in detail Fewbody, a new, freely available numerical toolkit for simulating small-N gravitational dynamics. Fewbody is a general N-body dynamics code, though it was written for the purpose of performing scattering experiments, and therefore has several features that make it well-suited for this purpose. To validate the method, I compare with several previous binary scattering experiments in the literature and find excellent agreement. As a simple example of the use of Fewbody, I calculate the destruction cross sections and characteristic lifetimes of black hole-pulsar binaries in globular clusters. At present, there should be observable ...

Researches on the evolution of the stellar systems

1896 Astronomy
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Release : 1896
Genre : Astronomy
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Book Synopsis Researches on the evolution of the stellar systems by : Thomas Jefferson Jackson See

Download or read book Researches on the evolution of the stellar systems written by Thomas Jefferson Jackson See. This book was released on 1896. Available in PDF, EPUB and Kindle. Book excerpt:

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