Document Type

Article

Publication Date

1-15-1985

Publication Title

The Astrophysical Journal

Publisher

The American Astronomical Society

Abstract

The author presents a new analytic model of the chemical evolution of the galaxy. Explicit solutions for a gas mass, star mass, metallicity, and radiochronometers are obtained for models with parametrized galactic infall, and for which the star formation rate is proportional to the gas mass. Because all physically interesting observables have a simple explicit dependence on the parameters which themselves map a wide space of physical possibilites, the author suggests adopting this model as a reference standard for studies of chemical evolution.

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