... HI Observations of Interacting Galaxy Pair NGC 4038/9 . ... We present the results of new radio interferometer HI line observations for the merging galaxy pair NGC 4038/9 (`The Antennae'), obtained using the Australia Telescope Compact Array. ... Radio continuum images at 20 and 13cm are also presented, showing the discs in detail. ... Optical image of the central disks taken with the 4-m AAT by Dave Malin ( AAO ) . ... A 13-cm radio image of the central disks taken with the ATCA by B. Koribalski . ...
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