York University
$100,000.00 CAD
- Department
- Canadian Space Agency
- Recipient country
- Canada
- Fiscal year
- 2024-2025
- Agreement period
- March 6, 2025 – March 1, 2027
- Reference
- csa-asc:003-2024-2025-Q4-00015
Published purpose
Most of the hydrogen gas in the Universe is ionized, but prior to the formation of galaxies, the Universe was neutral. Once stars started forming, a significant phase change occurred in the universe, a process known as “Reionization”. This project will look for the faintest possible sources of Reionization, tiny dwarf galaxies. The project targets strong-lensing clusters which provide a factor of 3 - 50 boost in the brightness of background sources. This increase in sensitivity allows the detection of extraordinarily low-mass galaxies (the equivalent of large star-clusters) during the reionization epoch and quantify their role in this process.
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