General relativistic light propagation effects: new insight into cosmic voids, dark matter, dark energy, and Einstein's theory of gravity. This project aims to be the first to develop new methods which will allow accurate study of light propagation effects. These methods remove the “noise” (light propagation effects) from observational data, resulting in unprecedented accuracy of the analyses and new insight into properties of dark energy. At the same time these methods use the “noise” as the ac ....General relativistic light propagation effects: new insight into cosmic voids, dark matter, dark energy, and Einstein's theory of gravity. This project aims to be the first to develop new methods which will allow accurate study of light propagation effects. These methods remove the “noise” (light propagation effects) from observational data, resulting in unprecedented accuracy of the analyses and new insight into properties of dark energy. At the same time these methods use the “noise” as the actual signal to measure properties of the Universe, especially the mass distribution inside cosmic voids (places in the Universe avoided by galaxies), which will solve the problem of dark matter distribution inside cosmic voids. The project aims to use light propagation effects to test Einstein's theory of gravity at cosmological scales.Read moreRead less
Geophysical, Galactic, and Extra-Galactic Science with the AuScope and Australian Pathfinder Arrays. Two new radio telescope arrays are under construction in Australia. One is the Australian Square Kilometre Array Pathfinder, near Geraldton. The other is a very long baseline array with antennae near Hobart, Katherine, and Yarragadee. These three antennae work together to observe radio sources far away across the universe. Their observations are used to establish a very accurate coordinate syste ....Geophysical, Galactic, and Extra-Galactic Science with the AuScope and Australian Pathfinder Arrays. Two new radio telescope arrays are under construction in Australia. One is the Australian Square Kilometre Array Pathfinder, near Geraldton. The other is a very long baseline array with antennae near Hobart, Katherine, and Yarragadee. These three antennae work together to observe radio sources far away across the universe. Their observations are used to establish a very accurate coordinate system or reference frame on the earth, to which the global positioning system is aligned. This program will use these new radio telescope arrays to study the Milky Way and other galaxies, and to study continental drift and sea-level rise on the Earth.Read moreRead less
Establishing the reference frame using astronomical and space-geodetic observations. Australia is increasingly dependent on spatial positioning and spatial data, yet mostly relies upon international agencies and research organisations to provide regular updates of coordinates and reference frame definition used on Earth. Improving the accuracy of the reference frame definition and our understanding of errors in the space-based measurements will provide new insights for studies of the Earth. The ....Establishing the reference frame using astronomical and space-geodetic observations. Australia is increasingly dependent on spatial positioning and spatial data, yet mostly relies upon international agencies and research organisations to provide regular updates of coordinates and reference frame definition used on Earth. Improving the accuracy of the reference frame definition and our understanding of errors in the space-based measurements will provide new insights for studies of the Earth. The research will yield results in studies of national significance, such as sea level rise, the effects of melting polar regions, and crustal deformation, as well as developing Australia's expertise in exploiting observations of the Earth from space.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE130101399
Funder
Australian Research Council
Funding Amount
$370,799.00
Summary
Eternal struggle: star formation and black hole activity in galaxies. The histories of black holes and stars in galaxies are intricately linked. This project will dissect the link between them by using supercomputer models and the world's best radio telescopes. Understanding this connection is key to figuring out how galaxies have evolved.