Images of the active sun made with the Chris Cross at Fleurs

May 24, 2024

The Chris Cross at the Fleurs field station, 40km west of Sydney, was used to generate two-dimensional high-resolution radio images of the Sun at 1420 MHz, with an angular resoltuion […]

The Chris Cross at Fleurs

May 23, 2024

The Chris Cross, named after its designer, “Chris” Christiansen, was one of three pioneering telescopes at the Fleurs field station. The telescope had two 378-m long arms, oriented north-south and […]

ATNF Colloquium – Instrumental Challenges of an Epoch of Reionization Detection

May 22, 2024

Abstract: All-sky satellite measurements of Murchison Widefield Array beams reveal significant asymmetric sidelobe distortions at an ~10% level, attributed to a range of environmental effects. In this talk I present […]

Kennedy antenna “dish lift” at Fleurs

May 21, 2024

CSIRO operated the Fleurs field station from 1954 to 1963. The Chris Cross , with two arms of 32 parabolic 5.8-m diameter dishes, was complemented with the addition of 18-m […]

The ACAMAR10 conference in Guangzhou – by Ivy Wong

May 20, 2024

The Australia-China Consortium for Astrophysical Research (ACAMAR) held the ACAMAR 10 conference in Guangzhou, China from 12-15 May 2024. This meeting in Guangzhou was previously planned for May 2020 but […]

Impact of recent coronal mass ejections on ASKAP data – by Vanessa Moss

May 17, 2024

The recent auroral light show viewed around the world (except in Sydney, where optimal weather conditions are anti-correlated with the timing of celestial events) was triggered by intense solar activity […]

Anniversary of the inauguration of the Kennedy antenna at Fleurs

May 16, 2024

CSIRO operated the Fleurs field station from 1954 to 1963, when it was tranferred to the University of Sydney. The Chris Cross was completed in 1957 and comprised two arms […]

ATNF Colloquium – From Supervised to Unsupervised ML: lessons learned from learning machines

May 15, 2024

Kai Polsterer (HITS gGmbH, Heidelberg) Abstract: The amount, size, and complexity of astronomical data-sets is growing rapidly in the last decades. Now, with new technologies and dedicated survey telescopes, the […]

Aurora at ATCA

May 14, 2024

Four coronal mass ejections (CMEs) from the Sun last week resulted in an intense geomagnetic storm on Earth with widespread sightings of aurorae at much lower latitudes than is usually […]

The Chris Cross at Fleurs

May 13, 2024

From 1954 to 1963, CSIRO’s Fleurs field station, located 40 km west of central Sydney, was one of the world’s leading radio astronomy observatories. Fleurs was home to three innovative […]

ASKAP Discovery of a new Galactic SNR Candidate – by Lazarević et al.

May 10, 2024

Supernova remnants (SNRs) are the resultant expanding structures that remain after the death of massive stars in a supernova (SN) explosion. It is generally accepted that the population of known […]

ASA Annual Scientific Meeting 2024

May 9, 2024

The 2024 Astronomical Society of Australia Annual Scientific Meeting will take place from the 24th to the 28th of June 2024, in an online-first format plus a local Hub Day […]