Future ASKAP Studies of the Local Volume
Lister Staveley-Smith
TL;DR
ASKAP will significantly enhance our understanding of nearby galaxies by increasing known galaxy counts and HI detections, impacting studies of galaxy distribution, mass functions, and local universe dynamics.
Contribution
This paper discusses the potential of ASKAP for large-scale surveys of Local Volume galaxies, highlighting its expected impact on galaxy detection and understanding of local universe structure.
Findings
Expected doubling of known galaxies within 10 Mpc
At least tenfold increase in HI detections
Implications for faint galaxy mass functions
Abstract
The Australian SKA Pathfinder (ASKAP) will be a powerful instrument for performing large-scale surveys of galaxies. Its frequency range and large field of view makes it especially useful for an all-sky survey of Local Volume galaxies, and will probably increase the number of known galaxies closer than 10 Mpc by a factor of two and increase, by at least an order of magnitude, the number detected in HI. Implications for our knowledge of the HI mass function for the very faintest galaxies and for the structure and dynamics of the Local Volume are discussed.
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