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HI Mass Function from HIPASS

Published online by Cambridge University Press:  05 March 2013

V. Kilborn ,
R. L. Webster  and
L. Staveley-Smith
V. Kilborn
Affiliation:
School of Physics, University of Melbourne, Parkville, Vic. 3052, Australia; vkilborn@physics.unimelb.edu.au
R. L. Webster
Affiliation:
School of Physics, University of Melbourne, Parkville, Vic. 3052, Australia; rwebster@physics.unimelb.edu.au
L. Staveley-Smith
Affiliation:
Australia Telescope National Facility, CSIRO, PO Box 76, Epping, NSW 2121, Australia; Lister.Staveley-Smith@atnf.csiro.au
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Abstract

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The HI Parkes All Sky Survey (HIPASS) is a blind search for extragalactic neutral hydrogen, covering the whole of the southern sky. We present the latest HI mass function (HIMF) constructed from a sample of 263 galaxies with declinations <−62°. Standard Σ1/Vmax and maximum likelihood techniques are used in the analysis. No upturn in the low-mass end of the HIMF is yet seen, though our selection procedure presently conspires against the lowest-mass galaxies.

Keywords

galaxies: mass functionradio lines: galaxiessurveys
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 16 , Issue 1 , 1999 , pp. 8 - 11
Copyright
Copyright © Astronomical Society of Australia 1999

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