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The ESO SupJup Survey. III. Confirmation of 13CO in YSES 1 b and Atmospheric Detection of YSES 1 c with CRIRES+

  • Authors: Yapeng Zhang, Darío González Picos, Sam de Regt, Ignas A. G. Snellen, Siddharth Gandhi, Christian Ginski, Aurora Y. Kesseli, Rico Landman, Paul Mollière, Evert Nasedkin, Alejandro Sánchez-López, Tomas Stolker, Julie Inglis, Heather A. Knutson, Dimitri Mawet, Nicole Wallack, Jerry W. Xuan

Yapeng Zhang et al 2024 The Astronomical Journal 168 .

  • Provider: AAS Journals

Caption: Figure 5.

Comparison of retrieval results of alternative models for YSES 1 b. Blue represents the baseline model, orange shows the enforced (optically thick) cloud model, green represents the model with veiling effect, and gray is the model with GPs accounting for correlated noise. The upper right-hand panel shows the retrieved TP profiles. Different color saturations indicate the envelopes of 1σ, 2σ, and 3σ intervels. The red dashed line is the self-consistent TP profile (T eff = 1900 K,log g = 4.0) from the Sonora Bobcat model grid. The dotted curve shows the flux-weighted emission contribution of each model. The corner plots show the posteriors of free parameters, including surface gravity, C/O ratio, metallicity, vertical mixing parameter, settling parameter, mass fraction of clouds at the cloud base, and carbon isotope ratio. We note the correlation between surface gravity and metallicity, while C/O and 12CO/13CO are less model dependent.

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