An analytical model for the chemical evolution of galaxies

Details An analytical model for the chemical evolution of galaxies An analytical model for the chemical evolution of galaxies

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mmsai..50..153c&link_type=abstract

(Workshop on Chemical Inhomogeneities in the Galaxy, Frascati, Italy, May 29-June 2, 1978.) Società Astronomica Italiana, Memori

Astronomy and Astrophysics

Astronomy

Astronomical Models, Chemical Evolution, Galactic Evolution, Galactic Structure, Gravitational Collapse, Metallic Stars

Scientific paper

It is shown that prompt initial enrichment is naturally predicted by models of the chemical evolution of galaxies that account for the early collapse phase of galaxies and for a more general stellar birthrate function. A galaxy that is always uniform in density and composition is considered for simplicity, and the stellar birthrate function is defined relative to unit comoving volume. Several equations are derived which account for some observational data and can be used as a zeroth-order approximation.

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