On Contraction of Stellar System

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概要

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• We consider stellar systems which include the comparable amount of gas with stars. The condition for stellar system to contract due to the dissipation of its kinetic energy through the direct and gravitational interactions between stars and gases is obtained. For a stellar system to contract within a Hubble time, it must be compact initially, and accordingly, the gas density is high. The gas cannot remain interstellar for a Hubble time and the stellar system does not contract unless the system is extremely compact initially. In conclusion, it is impossible for a stellar system to contract from the stage where the dissipation of stellar kinetic energy is ineffective to the stage where it is effective.

• 理論物理学刊行会の論文
• 1973-05-25

著者

• Takarada Katsuo

  Department Of Physics Kyoto Kogei Sen-i University : Nrc-nasa Resident Research Associate

関連論文

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• Dynamical Stability of Supermassive Gas-Star System
• Inverse Compton Process in Quasars and Seyfert-Type Nuclei
• On the Counts of the Quasi-Stellar Radio Sources

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