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Head-Tail Galaxies: Beacons of High-Density Regions in Clusters
Minnie Y. Mao, Melanie Johnston-Hollitt, Jamie B. Stevens +1
Using radio data at 1.4 GHz from the ATCA we identify five head-tail (HT) galaxies in the central region of the Horologium-Reticulum Supercluster (HRS). Physical parameters of the…
Detection of Crab Giant Pulses Using the Mileura Widefield Array Low Frequency Demonstrator Field Prototype System
N. D. Ramesh Bhat, Randall B. Wayth, Haydon S. Knight +14
We report on the detection of giant pulses from the Crab Nebula pulsar at a frequency of 200 MHz using the field deployment system designed for the Mileura Widefield Array's Low Fr…
Field Deployment of Prototype Antenna Tiles for the Mileura Widefield Array--Low Frequency Demonstrator
Judd D. Bowman, David G. Barnes, Frank H. Briggs +22
Experiments were performed with prototype antenna tiles for the Mileura Widefield Array--Low Frequency Demonstrator (MWA-LFD) to better understand the widefield, wideband propertie…
The HI Content of Compact Groups of Galaxies
J. B. Stevens, R. L. Webster, D. G. Barnes +2
The HI content of Hickson Compact Groups in the southern hemisphere is measured using data from the HI Parkes All Sky Survey (HIPASS), and dedicated observations using the narrowba…
Multiwavelength observations of the Be/X-ray binary 4U1145-619
James B. Stevens, Pablo Reig, Malcolm J. Coe +3
We report optical and infrared observations of the massive X-ray binary system 4U1145-619 (V801 Cen) which show that the circumstellar disc of the Be star component is in decline.…