The ASKAP HI All Sky Survey

March 17, 2015

by Bärbel Koribalski (CASS) WALLABY is the “ASKAP HI All-Sky Survey” , a precursor for future, much deeper SKA Phase 1 & Phase 2 neutral hydrogen (HI) surveys. With an […]

The “tail” of ESO 324-G024

March 16, 2015

by Megan Johnson (CASS) ESO 324-G024 is a dwarf irregular galaxy in the Centaurus A galaxy group and lies only ~104 kpc from the center of NGC 5128, which is […]

A dwarf galaxy with a giant hydrogen disk

March 15, 2015

by Bärbel Koribalski (CASS) ESO 215-G?009 is a rather isolated, nearby dwarf irregular galaxy, somewhat obscured by Milky Way stars and dust. Its neutral hydrogen (HI) disk, as measured with […]

The Magellanic Stream

March 14, 2015

by Bärbel Koribalski (CASS) Atomic neutral hydrogen gas in and around galaxies is detected via the 21-cm spectral line of hydrogen . The Magellanic System is a great example where […]

Lightening strikes illuminate the ATCA site in Narrabri

March 13, 2015

Observers at CSIRO’s Australia Telescope Compact Array (ATCA) always watch out for severe weather events, especially thunderstorms and lightning. For safety reasons the dishes are stowed when winds reach speeds […]

ATNF Data Reduction Workshop 2015

March 12, 2015

by Peter Kamphuis (CASS) Have you taken data with the Australia Telescope National Facility (ATNF), but haven’t reduced it yet? Are you stuck on some arcane point of imaging and […]

ATNF Colloquium – Elizabeth Alexander, the ‘Norfolk Island Effect’ and the Genesis of Solar Radio Astronomy in Australia

March 11, 2015

by Wayne Orchiston (NARI, Thailand) Abstract. During March-April 1945, solar radio emission was detected at 200 MHz by operators of a Royal New Zealand Air Force radar unit located on […]

Studying stellar nurseries

March 10, 2015

by Claire-Elise Green (University of NSW) Molecular clouds – clouds of gas and dust in space – are the birthplaces of stars and act as stellar nurseries. Using radio telescopes, […]

The Spectral Variability of the GHz-Peaked Spectrum Radio Source PKS 1718-649 and a Comparison of Absorption Models

March 9, 2015

by Steven Tingay (Curtin University) The figure shows data collected from the Australia Telescope Compact Array (ATCA) using the Compact Array Broadband Backend ( green , grey , and blue […]

Congratulations to Amanda Bauer (@astropixie) !!

March 8, 2015

The “Top 5 Under 40” project (by Radio National and the University of NSW), which set out to find Australia’s most passionate science communicators among almost 250 applicants, just announced […]

Radio properties of the intermediate-mass black hole candidate

March 7, 2015

by David Cseh (Radboud University Nijmegen, The Netherlands) HLX-1 is the best candidate intermediate-mass black hole among its peers (Farrell et al. 2009). HLX-1 is the brightest hyperluminous X-ray source […]

The first “water fountain” in a planetary nebula

March 6, 2015

by José-Francisco Gómez (Instituto de Astrofísica de Andalucía, CSIC, Granada, Spain) Gómez et al. (2015) have used the Australia Telescope Compact Array (ATCA) to map the water maser emission in […]