A Multi-Waveband Study of the Southern Compact Group, SCG 0018-4854

Astronomy and Astrophysics – Astronomy

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Scientific paper

I will present the results of a multi-waveband (u', g', r', and i'), Gemini South study of SCG 0018-4854. Compact groups of galaxies have extremely low velocity dispersions between group members and are expected to be environments conducive to multiple collisions and mergers. There is also evidence to suggest that in some groups, the individual member galaxies will eventually coalesce into a single field galaxy. This compact group, SCG 0018-4854, consists of four galaxies that are interacting and exhibit signs of intense star formation. I present deep, high-resolution Gemini South data of this system and a detailed examination of its morphology and colour structure. I will also present the my preliminary findings on the star clusters in the individual member galaxies.

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