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astro-ph.SR2025
Axion Constraints from White Dwarf Cooling in 47 Tucanae
Leesa Fleury, Alysa Obertas, Harvey Richer +1
We analyse the cooling of white dwarfs in the globular cluster 47 Tucanae to look for evidence of axion emission affecting the rate of white dwarf cooling. If axions exist and coup…
astro-ph.SR2025
The Cooling of Old White Dwarfs in 47 Tucanae
Leesa Fleury, Harvey Richer, Jeremy Heyl
We analyse the cooling of white dwarfs in the globular cluster 47 Tucanae (47 Tuc) using deep observations from the Hubble Space Telescope that resolve the white dwarf cooling sequ…