Mass loss in dwarf galaxies.

Details Mass loss in dwarf galaxies. Mass loss in dwarf galaxies.

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprj11002m&link_type=abstract

American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As

Astronomy and Astrophysics

Astrophysics

Scientific paper

Many dwarf galaxies, including systems containing multiple generations of stars, exhibit sub-Solar metallicities, with little star-to-star variations. Such uniformity in abundances across generations implies that enriched material from supernovae was lost from these small galaxies. Such mass loss may have important consequences for the evolution of the intergalactic medium, and for the evolution of massive galaxies, which themselves may have formed via the merger of smaller systems. We report here preliminary results of three-dimensional simulations of the evolution of supernova-enriched gas within dwarf galaxies, using COSMOS, a code being developed at LLNL. The parameters which determine the loss or retention of enriched material shall be discussed.

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