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9th of August 2015 |
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Large-scale structure as traced by HIPASS |
The distribution of ~5000 galaxies detected
in the HI
Parkes All-Sky Survey (HIPASS) by
Meyer et al.
(2004). The whole HIPASS survey area (DEC < 25 degr) is similar to that of
WALLABY, the planned ASKAP
HI All-Sky Survey (DEC < 30 degr), which will get under way once all ASKAP
antennas are equipped with wide-field Phased-Array Feeds (PAFs). The WALLABY
volumne is much larger than that of HIPASS, and we expect to detect neutral
hydrogen (HI) in more than 500 000 galaxies out to a redshift of z = 0.25.
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