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Characterizing a World Within the Hot-Neptune Desert: Transit Observations of LTT 9779 b with the Hubble Space Telescope/WFC3

  • Authors: Billy Edwards, Quentin Changeat, Angelos Tsiaras, Andrew Allan, Patrick Behr, Simone R. Hagey, Michael D. Himes, Sushuang Ma, Keivan G. Stassun, Luis Thomas, Alexandra Thompson, Aaron Boley, Luke Booth, Jeroen Bouwman, Kevin France, Nataliea Lowson, Annabella Meech, Caprice L. Phillips, Aline A. Vidotto, Kai Hou Yip, Michelle Bieger, Amélie Gressier, Estelle Janin, Ing-Guey Jiang, Pietro Leonardi, Subhajit Sarkar, Nour Skaf, Jake Taylor, Ming Yang, Derek Ward-Thompson

Billy Edwards et al 2023 The Astronomical Journal 166 .

  • Provider: AAS Journals

Caption: Figure 21.

Posterior distributions for our preferred chemical equilibrium retrieval which included a nonisothermal temperature profile. We note that this retrieval was not preferred over the free chemistry model given in Figure 19, with the Bayesian evidence preferring the latter to 2.4σ. Additionally, while the nonisothermal temperature profile led to a preferable fit, it did not led to a well-constrained temperature–pressure profile.

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