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CSIRO and ICARA (Curtin University) in Australia collaborate with UCL’s CDT to develop next-generation data science techniques for the Square Kilometre Array (SKA)

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A ‘radio colour’ view of the sky above a ‘tile’ of the Murchison Widefield Array radio telescope, located in outback Western Australia. The Milky Way is visible as a band across the sky and the dots beyond are some of the 300,000 galaxies observed by the telescope for the GLEAM survey. Red indicates the lowest frequencies, green the middle frequencies and blue the highest frequencies. Credit: Radio image by Natasha Hurley-Walker (ICRAR/Curtin) and the GLEAM Team. MWA tile and landscape by Dr John Goldsmith / Celestial Visions.

Luke Pratley from the UCL Mullard Space Science Laboratory (MSSL) has been awarded £10,000 from STFC to visit CSIRO and ICARA (Curtin University) in Perth, Australia, to apply new data science techniques from the framework of compressive sensing for imaging observations made by the Murchison Wide-Field Array (MWA) – a radio telescope attempting to detect the first stars forming in the Universe. New imaging algorithms that have been developed at UCL by Luke Pratley and Jason McEwen have been shown to work very well on real observations from existing radio interferometric telescopes, including the VLA and ATCA.  In collaboration with UCL’s Research Software Development Group these algorithms have  been distributed and multi-threaded, so they can cope with the large data rates from the MWA. This will pave the way for applying new data science techniques for the Square Kilometre Array (SKA), which will be the world’s largest radio telescope, with higher resolution and sensitivity than ever before.

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