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Author : John S. Arabadjis
Release : 1997
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis The Dynamical Evolution of Rotating Stellar Systems by : John S. Arabadjis
Download or read book The Dynamical Evolution of Rotating Stellar Systems written by John S. Arabadjis. This book was released on 1997. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hyung Mok Lee
Release : 1986
Genre : Stars
Kind : eBook
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Book Synopsis Dynamical Evolution of Spherical Stellar Systems by : Hyung Mok Lee
Download or read book Dynamical Evolution of Spherical Stellar Systems written by Hyung Mok Lee. This book was released on 1986. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Astronomical Union. Symposium
Release : 2008-06-12
Genre : Science
Kind : eBook
Book Rating : 687/5 ( reviews)
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.
Author : J. R. Hurley
Release : 2000
Genre :
Kind : eBook
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Book Synopsis Nuclear and Dynamical Evolution of Stellar Systems by : J. R. Hurley
Download or read book Nuclear and Dynamical Evolution of Stellar Systems written by J. R. Hurley. This book was released on 2000. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank Hohl
Release : 1970
Genre : Galaxies
Kind : eBook
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Book Synopsis Dynamical Evolution of Disk Galaxies by : Frank Hohl
Download or read book Dynamical Evolution of Disk Galaxies written by Frank Hohl. This book was released on 1970. Available in PDF, EPUB and Kindle. Book excerpt: A computer model for isolated disks of stars is presented and is used to study the self-consistent motion of large numbers of point masses as they move in the plane of the galactic disk. The Control Data 6600 computer system at the Langley Research Center was used to integrate the equations of motion for each star for systems containing from 50,000 to 200,000 stars. Any initially cold balanced disk was found to be violently unstable. A sufficient amount of velocity dispersion will stabilize all small-scale disturbances. However, most disks investigated were found to be unstable against slowly growing long-wavelength modes, and after about two rotations the disks tended to assume a bar-shaped structure. It was also found that the final mass distribution for most disks could be closely approximated by an exponential variation irrespective of the initial mass distribution. To study the development of spiral structure, the model was modified to include a fixed central force similar to that in the Schmidt model of the Galaxy. The mass of the stars in the disk was taken to be from 5 to 50 percent of the total mass of the Galaxy. The evolution of a number of initial distributions of stars was investigated. The results of the calculation gave a velocity dispersion for the disk stars which was about 50 percent larger than the value of about 30 km/sec found from observation of stars in the solar neighborhood. For some of the disks investigated, a pronounced spiral structure remained even after 8.5 rotations.
