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Michel Fich, a professor in the Department of Physics and Astronomy in the Faculty of Science, is leading a group of eight Canadian universities in an international effort to build CCAT – a $150-million state-of-the-art submillimetre telescope that’ll give astronomers a peek at the Universe as it was 10 to 12 billion years ago.
While optical telescopes are great for observing light-emitting objects such as stars, submillimetre telescopes are perfect for probing dark, cold interstellar material in the Universe, such as black holes and primordial radiation emitted after the Big Bang.
We're trying to understand our history and the origins of the universe," said Fich. "We live in this galaxy and we really don't know a lot about it."
The CCAT will help astronomers answer questions about how galaxies collide, merge, interact and evolved. It’ll also help scientists learn more about the formation of planets, stars and solar systems.
With a dish 25-metres in diameter CCAT is designed to capture a very wide view of space. Although it’s not the first submillimetre telescope it will be substantially larger and 100 times more sensitive than its predecessor. Outfitted with a state-of-the-art camera, CCAT is expected to map the sky 1,000 times faster, and with better resolution, than the best detector in the world.
The CCAT will be built 5,600 metres above sea level near the summit of Cerro Chajnantor in the Chilean Atacama desert. Submillimetre telescopes are effective only at elevations above 4000 metres as the Earth’s atmosphere blocks much of this important wavelength range.
In addition to gathering research data this international facility will also serve as a world-class training facility for students from more than 14 universities.
CCAT is scheduled to be operational by 2020.