Chemical evolution of Mg II absorption systems

Details Chemical evolution of Mg II absorption systems Chemical evolution of Mg II absorption systems

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13..591t&link_type=abstract

In: Highlights of Astronomy, Vol. 13, as presented at the XXVth General Assembly of the IAU - 2003 [Sydney, Australia, 13 - 26 J

Astronomy and Astrophysics

Astronomy

Stellar Abundances

Scientific paper

Based on the [Mg/Fe] ratios for the high-z Mg II absorption systems obtained by the near-infrared camera and spectrograph for the Subaru 8.2 m Telescope we construct the chemical evolution model for these high-z objects. It is found that host galaxies for these systems formed within a short timescale of a few hundred million years suggesting that they are progenitors of modern-day dwarf galaxies. The elemental abundance relation between stars and gas in dwarf galaxies will be also discussed.

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