Published January 16, 2026 | Version v1
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Using observations of escaping H/He to constrain the atmospheric composition of sub-Neptunes: UltraNest Chains

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UltraNest chains performed as part of "Using observations of escaping H/He to constrain the atmospheric composition of sub-Neptunes" by James G Rogers, James E Owen, Ethan Schreyer and James Kirk. This includes inference analyses related to the escaping hydrogen of GJ-436 b, TOI-776 b, TOI-776 c, K2-18 b, as well as the free-retrieval of TOI-776 c's JWST transit spectrum. All figures within the paper are made using "equal_weighted_post.txt" files. 

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