This computer model shows how MAVIS will look on the instrument platform of VLT Unit Telescope 4 (Yepun) at ESO’s Paranal Observatory. The boxes indicate the various submodules of the instrument. Credit: Macquarie University
Australian scientists will help construct one of the world’s most powerful ground-based telescopes that promises to see further and clearer than the Hubble Space Telescope and unlock mysteries of the early Universe.
The team will develop a new, world-first instrument that will produce images three times sharper than Hubble under the multimillion-dollar project.
The MAVIS instrument will be fitted to one of the eight-meter Unit Telescopes at the European Southern Observatory’s (ESO’s) Very Large Telescope in Chile, to remove blurring from telescope images caused by turbulence in Earth’s atmosphere. MAVIS will be built over seven years at a cost of $57 million.
MAVIS stands for MCAO Assisted Visible Imager and Spectrograph. MCAO stands for Multi-Conjugate Adaptive Optics.
The MAVIS consortium is led by The Australian National University (ANU), and involves Macquarie University, Italy’s National Institute for Astrophysics (INAF), and France’s Laboratoire d’Astrophysique (LAM).
MAVIS Principal Investigator Professor François Rigaut, from the ANU Research School of Astronomy and Astrophysics, said atmospheric turbulence is like the phenomenon of objects appearing blurry on the horizon during a hot day.
“MAVIS will remove this blurring and deliver images as sharp as if the telescope were in space, helping us to peer back into the early Universe by pushing the cosmic frontier of what is visible,” he said.
“The ability to deliver corrected optical images, over a wide field of view using one of the world’s largest telescope, is what makes MAVIS a first-of-its kind instrument, and means we will be able to observe very faint, distant objects.
“We will be able to use the new technology to explore how the first stars formed 13 billion years ago, as well as how weather changes on planets and moons in our Solar System.”
Associate Professor Richard McDermid, the MAVIS project scientist based at Macquarie University, said the project represents a significant milestone for Australia’s growing relationship with ESO, and the nation’s space research and work.
“MAVIS demonstrates that Australia can not only participate in the scientific life of the observatory, but can also be a core player in helping ESO maintain its leadership by developing unique and competitive instruments using Australian expertise,” he said.
Professor Matthew Colless, Director of the ANU Research School of Astronomy and Astrophysics, said the coming decade represents a very exciting time for astronomy.
“ESO and Australia entered a 10-year strategic partnership in 2017, a partnership that the Australian astronomy community has embraced with enthusiasm,” he said.
“In return for building MAVIS, the consortium will get guaranteed observing time with the instrument, as well as a financial contribution from ESO for its hardware.
“From space, with the likes of the James Webb Space Telescope, and with ground-based facilities such as ESO’s Extremely Large Telescope, astronomers will explore the Universe in more depth than ever.
“By delivering the sharpest view possible using visible light, MAVIS will be a unique and powerful complement to these future large facilities, which target infrared wavelengths.”
[Editor’s Note 7/4/2021: The article was updated to explain what the MAVIS acronym stands for.]
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