|The Australia Telescope National Facility Colloquium|
|15:00-16:00 Wed 18 Nov 2015|
Marsfield Lecture Theatre
Karen Lee-Waddell Colloquium: The frequency and properties of young tidal dwarf galaxies in nearby gas-rich g
Many galaxies reside in group environments where tidal interactions dominate the dynamics of the contained members. Gaseous material pulled from initial close encounters between galaxies can produce second-generation tidal dwarf galaxies (TDGs), which differ from first-generation `classical' dwarfs by their higher metal content and lack of dark matter. I present the results of a multi-wavelength investigation of the dwarf galaxy populations in three gas-rich interacting galaxy groups: NGC 871/7, NGC 3166/9, NGC 4725/47.
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