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Is There a Gravitational Stability Margin for Gaseous Disks of Galaxiesстатья
- Авторы: Zasov A.V., Morozov A.G.
- Журнал: Astronomicheskij Tsirkulyar
- Номер: 1356
- Год издания: 1985
- Первая страница: 1
- Аннотация: A surface density of gas layers in outer regions of disk galaxies in many cases is approximately equal to its marginal value for a gravitational instability. This value is determined by the kinematical parameters of the rotating disk of galaxies. Hence, the evolution of gas density on the periphery of many galaxies has practically ceased.
- Добавил в систему: Засов Анатолий Владимирович