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An HI Survey of LSB galaxies selected from the APM Survey

Published online by Cambridge University Press:  12 April 2016

Stéphanie Côté ,
Tom Broadhurst ,
Jon Loveday  and
Shannon Kolind
Stéphanie Côté
Affiliation:
Dominion Astrophysical Observatory, Herzberg Institute of Astrophysics, National Research Council of Canada, 5071 W. Saanich Rd., Victoria, BC, V8X 4M6, Canada
Tom Broadhurst
Affiliation:
Astronomy Department, University of California, Berkeley, CA94720, USA
Jon Loveday
Affiliation:
Astronomy & Astrophysics Department, University of Chicago, 5640 S Ellis Ave, Chicago, IL60637, USA
Shannon Kolind
Affiliation:
Department of Physics & Astronomy, University of Victoria, Victoria BC, V8X 4M6, Canada

Abstract

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We present preliminary results of a neutral hydrogen (HI) redshift survey to find Low Surface Brightness (LSB) galaxies in the very nearby universe. Our sample consists of all galaxies in the APM catalog (Maddox et al. 1990) with a mean surface brightness of μ ≥ 24 mag/arcsec2, down to a magnitude limit of bj ≤ 17. With the Parkes 64m radiotelescope 35 objects were detected at v < 4300 km s−1. The resulting luminosity function, HI mass function, and for the first time total mass function are presented. It is found that LSBs make a negligible contribution to the overall integrated luminosity, HI mass, and total mass contained in galaxies.

Type
HI and QSO absorption lines
Information
International Astronomical Union Colloquium , Volume 171: The Low Surface Brightness Universe , 1999 , pp. 307 - 314
Copyright
Copyright © Astronomical Society of the Pacific 1999

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