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Paper: Gas Flow and Star Formation in the ``Antennae'' Galaxies
Volume: 240, Gas and Galaxy Evolution: A Conference in Honor of the 20th Anniversary of the VLA
Page: 214
Authors: Englmaier, P.; Rigopoulou, D.; Mengel, S.
Abstract: The prominent interacting galaxy pair NGC 4038/9 contains many active star-forming regions and is continuously forming new star clusters. We present a self-consistent N-body model for this system which includes an SPH gas component. The model qualitatively explains the apparent concentration of gas in the so-called overlap region between the two nuclei as a bridge of gas connecting the two galaxies. Projected on the sky, the bridge appears as a dense spot of gas. We discuss some implications for the evolution of ultra-luminous infrared galaxies.
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