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News and Updates

MWA images Earth's plasma ducts for first time. Read the journal article by lead author U. Sydney undergrad Cleo Loi and watch the video (viewed nearly 1 million times)!

Join us for the MWA project meeting, to be held 21-22 June, 2016 in Perth, Western Australia.

The 2016-B Call For Proposals is now available.

  • Check out the updated Google Streeview tour of the MWA site!
  • MWA makes first ever image of plasma ducts in Earth's ionosphere. Read the full journal article by Loi et al. 2015.
  • Observations of the Moon at 72-103 MHz. The Moon is visible because it reflects radio waves from transmitters on Earth, including the FM radio band. The the Moon only reflects radio waves back to Earth from the center of its disk and extragalactic sources close to the Moon actually disappear as its disk eclipses them. Credit: N. Seymour, N. Hurley-Walker (ICRAR/Curtin), B. McKinley (Melbourne) and the MWA team.
  • Outrigger tile about 1.5km from the core of the array, with a view of the breakaway behind it. Credit: Natasha Hurley-Walker
  • 28 April 2013: Early look at a test drift scan while commissioning the MWA. Credit: Andre Offringa and MWA Science Commissioning Team
  • Silhouette of an individual dipole. Credit: Natasha Hurley-Walker
  • The Moon (lower left dark "hole") occults diffuse Galactic emission. Credit: R. Wayth and the MWA team.

The Telescope

The Murchison Widefield Array (MWA) is a low-frequency radio telescope operating between 80 and 300 MHz. It is located at the Murchison Radio-astronomy Observatory (MRO) in Western Australia, the planned site of the future Square Kilometre Array (SKA) lowband telescope, and is one of three telescopes designated as a Precursor for the SKA. The MWA has been developed by an international collaboration, including partners from Australia, India, New Zealand, and the United States. Read more about the telescope...

The Science

The MWA is performing large surveys of the entire Southern Hemisphere sky and acquiring deep observations on targeted regions. It enables astronomers to pursue four key science objectives. The primary endeavor is the hunt for intergalactic hydrogen gas that surrounded early galaxies during the cosmological epoch of reionization. The MWA will also provide new insights into our Milky Way galaxy and its magnetic field, pulsing and exploding stellar objects, and the science of space weather that connects our Sun to the environment here on Earth. Read more about MWA science...