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Luhman 16AB is the closest brown dwarf binary system to Earth, located just 6.5 light-years away.
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Luhman 16AB is the closest brown dwarf binary system to Earth, located just 6.5 light-years away. This makes it the perfect target for JWST, which recently spent several hours studying its surfaces. Webb identified three distinct atmospheric layers, each of which had different weather patterns, and at the deepest layer, they identified giant cloud systems rotating in and out of view. They saw the weather patterns change in just a single rotation.
The JWST weather report from the nearest brown dwarfs II: Consistent variability mechanisms over 7 months revealed by 1-14 $μ$m NIRSpec + MIRI monitoring of WISE 1049AB
Abstract page for arXiv paper 2505.00794: The JWST weather report from the nearest brown dwarfs II: Consistent variability mechanisms over 7 months revealed by 1-14 $μ$m NIRSpec + MIRI monitoring of WISE 1049AB
arXiv.org (arxiv.org)
