HI at a Redshift of Zero

Details HI at a Redshift of Zero HI at a Redshift of Zero

2004-11-17

arxiv.org/abs/astro-ph/0411498v1

Astronomy and Astrophysics

Astrophysics

5 pages, 2 figures, to appear in `Science with Wavelengths on Human Scales', ASP Conference Series

Scientific paper

While LOFAR and the SKA will enable the study of HI at the epoch of reionization for the first time, expectations for the distribution of HI at that redshift depend on our understanding of the cosmological HI mass density at the present epoch and its variation with environment. We exploit a complete optical diameter and HI flux limited sample of galaxies in the local universe to derive a robust measurement of the HIMF for masses log(M / M_{Sun}) > 7.4 which takes into account the effects of local large scale structure.

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