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astro-ph2001★ 39 cited
An HI survey of the Centaurus and Sculptor Groups - Constraints on the space density of low mass galaxies
W. J. G. de Blok, M. A. Zwaan, M. Dijkstra +2
We present results of two 21-cm HI surveys performed with the Australia Telescope Compact Array in the nearby Centaurus A and Sculptor galaxy groups. These surveys are sensitive to…
astro-ph2001
Reconciling Damped Ly-alpha Statistics and 21cm Studies at z=0
Martin Zwaan, Frank Briggs, Marc Verheijen
Blind 21cm surveys in the local universe have shown that the local HI mass density, Omega_HI, is dominated by luminous, high surface brightness, spiral galaxies. On the other hand,…