AARNet

Researchers discover galaxy using ASKAP, CSIRO’s newest radio telescope

Fields marked with an * are required

Subscribe to our newsletter

Australian SKA Pathfinder telescope

Scientists have discovered a galaxy five billion light-years away, using CSIRO’s newest radio telescope, the Australian SKA Pathfinder (ASKAP) and the radio-quiet Murchison Radio-astronomy Observatory (MRO) in remote Western Australia.

The team led by CSIRO’s Dr James Allison used a special technique to detect a change in radio waves coming from within the bright centre of the galaxy PKS B1740-517, located near the Ara constellation. The five-billion-year-old radio emission was stamped with the ‘imprint’ of hydrogen gas it had travelled through on its way to Earth. The gas absorbs some of the emission, creating a tiny dip in the signal.

AARNet is proud to support CSIRO and the radio-astronomy research community by providing data links between instruments such as the ASKAP telescope and high-performance computing facilities. This discovery is the first of many scientific outcomes for the ASKAP project, which AARNet has been supporting for some time.

The researchers will now use the absorption technique with ASKAP to find hundreds of galaxies that are up to ten billion light years away and determine how much hydrogen gas they contain.

“These latest research findings are demonstrating that ASKAP can do what other telescopes can’t,” Dr Allison said.

Read the CSIRO media release

Find out more about AARNet and radio astronomy


Related Stories

AARNet

Feb 4, 2019

Milestone for SKA telescope reached: networking system design completed

With the design of the complex networking...

AARNet / eResearch

Nov 28, 2018

AARNet supports new data sharing and release arrangements

As advocates for the Australian Research and Education community, and providers of essential research enabling infrastructure, AARNet provided feedback on the proposed Data Sharing and Release legislation issued by the Australian government earlier this year. The proposed legislation aims to balance...

AARNet / Services

Aug 17, 2018

Train the trainer workshop expands eduroam in Asia Pacific

A workshop to train local NRENs to...