The metal-poor atmosphere of a potential sub-Neptune progenitor
Nature Astronomy, Published online: 09 May 2024; doi:10.1038/s41550-024-02257-0
V1298 Tau b is a 20–30-Myr-old Jovian-sized planet with a haze-free, metal-poor atmosphere and a potentially hot interior. These properties suggest that V1298 Tau b formed in situ via pebble accretion and that it is still evolving and likely to become a Neptune- or sub-Neptune-sized planet.
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