A comparison of chemical and chemodynamical models

Details A comparison of chemical and chemodynamical models A comparison of chemical and chemodynamical models

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ap%26ss.284..837k&link_type=abstract

Astrophysics and Space Science, v. 284, Issue 2, p. 837-840 (2003).

Astronomy and Astrophysics

Astrophysics

Chemical Models, Chemodynamical Models

Scientific paper

Representative results from a comparison of the chemical evolution of spherical collapse models without and with a intercloud medium are presented. The hot metal-rich gas distributes quickly the metals produced in supernovae throughout the galaxy, thus leading to a more homogeneous chemical evolution and flatter metallicity gradients in the gas and the stars. The stellar population is somewhat less concentrated towards the centre. The strong outflow results in a substantial loss of metals from the galaxy to its surroundings, and a lower effective yield in the galaxy.

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