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UNCOVER-BD-1 (also known as Abell2744-BD1, A2744-BD1) is a distant brown dwarf. It is the most distant T dwarf discovered to date (about 4.5 or 4.8 kpc).

UNCOVER-BD-1 was discovered in a deep James Webb Space Telescope field called UNCOVER, which targets the galaxy cluster Abell 2744 and is primarily used

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