Midplane Gas Density and the Schmidt Law

Авторы: Zasov A.V., Abramova O.V.
Сборник: Formation and Evolution of Galaxy Disks ASP Conference Series Proceedings of the conference held 1-5 October, 2007 at the Centro Convegni Matteo Ricci, Rome, Italy
Том: 396
Год издания: 2008
Место издания: Astronomical Society of the Pacific San Francisco
Первая страница: 169
Последняя страница: 172
Аннотация: The thickness of isothermal gaseous layers and their midplane volume densities ρ_{gas}(R) were calculated for several spiral and low surface brightness galaxies by solving the self-consistent equilibrium equations for gaseous disks embedded into a stellar one. The self-gravity of the gas and influence of dark halo on the disk thickness were taken into account. The resulting midplane volume densities of spiral galaxies were compared with the azimuthally averaged star formation rate (SFR) to verify the feasibility and universality of the Schmidt law SFR˜ ρ_{gas}^n.
Добавил в систему: Абрамова Оксана Викторовна

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