Water depletion and 15NH3 in the atmosphere of the coldest brown dwarf observed with JWST/MIRI

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Fig. 11

Distribution of the ¹⁴NH₃/¹⁵NH₃ ratios for each retrieval with the solid lines marking the corresponding median value. The cyan line represents the value for ISM and the magenta line shows the value for the Sun. The value presented by Barrado et al. (2023) for the brown dwarf WISE 1828 is shown in black and the line indicates the uncertainty.

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