Photo- and Spectro-Chemical Evolution Models for Starburst Galaxies

Details Photo- and Spectro-Chemical Evolution Models for Starburst Galaxies Photo- and Spectro-Chemical Evolution Models for Starburst Galaxies

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004hst..prop10307v&link_type=abstract

HST Proposal ID #10307

Computer Science

Hst Proposal Id #10307 Stellar Populations

Scientific paper

We propose to develop new chemically consistent evolutionary synthesis models for young stellar populations containing massive stars, including Wolf-Rayet stars. Such populations are the powering sources of starburst galaxies at low and high redshift and are major chemical pollutants of the interstellar and intergalactic medium. The new models are based on the successful Starburst99 code, which will be expanded to allow for stellar evolution at arbitrary {not discrete} chemical composition, including metallicity zero. We will supplement our current grid of stellar models by newly developed evolutionary tracks with rotation. The chemical evolution models will not make the instantaneous recycling approximation and will account for infall and outflows. Existing chemical evolution models do either have to rely on these assumptions or, if they do not, their adopted stellar models make them inapplicable to young massive populations.

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