The Role of Tidal Dwarf Galaxies in Galaxy Evolution

Details The Role of Tidal Dwarf Galaxies in Galaxy Evolution The Role of Tidal Dwarf Galaxies in Galaxy Evolution

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011rmxac..40...54d&link_type=abstract

XIII Latin American Regional IAU Meeting (Eds. W. J. Henney & S. Torres-Peimbert) Revista Mexicana de Astronomía y Astrofísica (

Astronomy and Astrophysics

Astronomy

H Ii Regions, Galaxies: Dwarf, Galaxies: Interactions

Scientific paper

We present a summary of the recent work that we have been conducting regarding the role of Tidal Dwarf Galaxies (TDGs) in galaxy evolution. TDGs are often seen in galaxies going through collisions. They are young objects formed from and within tidal debris. We use a variety of instruments in different wavelengths (from UV to optical) to detect the TDGs and star-forming regions within HI tails and use stellar population models to date them. We also have determined the metallicity of a few of these objects and concluded that they are metal rich with respect to the population of dwarf galaxies. We conclude by discussing the importance of these objects at high-redshfits and their significance in the cosmic metal enrichment.

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