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Fig. 8

image

Pressure-temperature profiles of the atmosphere of HD 206893 B retrieved with petitRADTRANS (pRT) and ATMO. The dashed lines show the 1–σ confidence intervals. With pRT we obtain a bimodal posterior for the C/O ratio and the quenching pressure, and the PT profile for each of the two solutions is shown separately (thick blue line C/O > 0.7, thin blue line C/O < 0.7). All models probe approximately 0.01 to 0.1 bar pressure levels. Dotted lines indicate the condensation curves of various species calculated at 10× solar abundance (Visscher et al. 2010).

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