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HELIOS–RETRIEVAL: An Open-source, Nested Sampling Atmospheric Retrieval Code; Application to the HR 8799 Exoplanets and Inferred Constraints for Planet Formation

  • Authors: Baptiste Lavie, João M. Mendonça, Christoph Mordasini, Matej Malik, Mickaël Bonnefoy, Brice-Olivier Demory, Maria Oreshenko, Simon L. Grimm, David Ehrenreich, and Kevin Heng

2017 The Astronomical Journal 154 91.

  • Provider: AAS Journals

Caption: Figure 17.

Calculations of the diffusivity factor using a canned routine (“exact”) vs. those performed using our fitting formulae for ﹩{{ \mathcal E }}_{1}﹩ in Equation (21) (“approximate”). The calculation labeled “fit” is a 13th order polynomial fit to the exact solution, which performs poorly even at the ﹩\sim {10}^{-3}﹩ level.

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