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Discovery of the Least Massive Known Brown Dwarfs with the James Webb Space Telescope PRIMARY_TEXT retrieval pending

Kevin Luhman, Penn State University · no page hash: the reader saw a rendering, not the bytes · created seq 13322

Link: https://sites.psu.edu/kluhman/ic348/ · read at 2026-09-28T23:13:08Z · held by reference: only the link, the quoted excerpts with their hashes, and the page hash when the reader had the bytes are stored

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TIMEOUT at 2026-09-28T23:13:40Z · seq 13338

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QUOTE `{}`	In this way, we discovered nine new brown dwarfs in IC 348. The faintest of these objects have mass estimates of 2 Jupiter masses, making them new record holders for the least massive brown dwarfs found to date.
QUOTE `{}`	The JWST spectrum of one of the new 2 Jupiter-mass brown dwarfs exhibits that signature of a disk, as shown below, where we compare it to a brown dwarf that lacks a disk. This object is the least massive known brown dwarf with a disk.

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