Extragalactic Peaked-Spectrum Radio Sources at Low Frequencies

January 18, 2017

by Joe Callingham (Sydney Uni, CASS & CAASTRO) Using the MWA’s GLEAM all-sky survey, PhD student Joe Callingham and co-authors have more than doubled the number of “peak-spectrum” radio galaxies […]

The reversed fHI-density relation in the least-dense environments

January 17, 2017

by Jing Wang (CASS) It has been known for a long time that galaxies in denser clustering environments tend to have less gas and star formation. A recent paper, Janowiecki […]

Evidence for HI replenishment in massive galaxies through gas accretion from the cosmic web

January 16, 2017

by Dane Kleiner (Monash Uni) We examine the HI-to-stellar mass ratio (HI fraction) for galaxies near filament backbones within the nearby Universe (d < 181 Mpc). This work uses the […]

The Dish at sunset

January 13, 2017

Photo by Rhianna Lyons Grant Hampson (CASS) kindly provided this amazing photo taken by Rhianna Lyons (age 12). He writes: “Rhianna took this photo last April while holidaying in Parkes […]

ASKAP Early Science

January 12, 2017

ASKAP Early Science with 12 PAF-equipped antennas commenced in October 2016, led by the WALLABY team (PIs: Bärbel Koribalski, CASS, and Lister Staveley-Smith, UWA/ICRAR + over 100 astronomers from around […]

The HIX galaxy survey

January 11, 2017

by Katharina Lutz (Swinburne Uni) We present the HI eXtreme (HIX) galaxy survey targeting some of the most atomic hydrogen (HI) rich galaxies in the southern hemisphere. The 13 HIX […]

Giga-hertz Peaked Spectrum (GPS) sources: new results

January 10, 2017

by Phil Edwards (CASS) Giga-hertz Peaked Spectrum (GPS) sources are, as their name suggests, radio sources that have a pronounced peak in their spectrum when flux density is plotted as […]

Giga-hertz Peaked Spectrum (GPS) sources: new results

January 9, 2017

by Phil Edwards (CASS) Giga-hertz Peaked Spectrum (GPS) sources are, as their name suggests, radio sources that have a pronounced peak in their spectrum when flux density is plotted as […]

Happy New Year 2017 !

January 3, 2017

To everybody a Happy New Year 2017, stay save and look after each other. There will be many discoveries to be made using your skills, creativity and experience in astronomy. […]

Radio Galaxy Zoo turns 3!

December 21, 2016

by Ivy Wong (UWA) Radio Galaxy Zoo (RGZ) is an online citizen science project that enlists the help of citizen scientists in the classification of radio source components and in […]

Celebrating 30 ASKAP Phased Array Feeds

December 20, 2016

by Leonie Boddington (CASS) ASKAP staff Clarence and Jolene are checking Phased Array Feed (PAF) No 31 is ready to come out of the box. Just recently we celebrated the […]

ATNF Colloquium – The Breakthrough Initiatives: The Shape of Space to Come

December 19, 2016

by Jamie Drew (Breakthrough Prize Foundation) Abstract. At the Royal Society in London on July 20, 2015, Yuri Milner, Stephen Hawking and Lord Martin Rees announced a set of initiatives […]