Assessing the state of galaxy formation

Details Assessing the state of galaxy formation Assessing the state of galaxy formation

2000-08-31

arxiv.org/abs/astro-ph/0008521v1

Astronomy and Astrophysics

Astrophysics

5 pages, 4 figures, to appear in ASP conference series "Gas & Galaxy Evolution" eds. Hibbard, Rupen, and van Gorkom

Scientific paper

We present the results of a survey of nearby, quiescent, non-peculiar, extremely isolated galaxies to search for the gaseous remnants of galaxy formation. Such remnants are predicted to persist around galaxies into the present day by galaxy formation models. We find low-mass HI companions around 7 of 34 galaxies surveyed. In addition we find 5 galaxies with lopsided HI distributions. The implications for galaxy formation and the nature of high velocity clouds are discussed.

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