Retrieving scattering clouds and disequilibrium chemistry in the atmosphere of HR 8799e

@article{Mollire2020RetrievingSC,
  title={Retrieving scattering clouds and disequilibrium chemistry in the atmosphere of HR 8799e},
  author={P. Molli{\`e}re and T. Stolker and S. Lacour and G. Otten and J. Shangguan and B. Charnay and T. Molyarova and M. Nowak and T. Henning and G. Marleau and D. Semenov and E. Dishoeck and F. Eisenhauer and P. Garcia and R. G. Lopez and J. Girard and A. Greenbaum and S. Hinkley and P. Kervella and L. Kreidberg and A. Maire and E. Nasedkin and L. Pueyo and I. Snellen and A. Vigan and J. Wang and P. D. Zeeuw and A. Zurlo},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2020}
}
Clouds are ubiquitous in exoplanet atmospheres and represent a challenge for the model interpretation of their spectra. Complex cloud models are too numerically costly for generating a large number of spectra, while more efficient models may be too strongly simplified. We aim to constrain the atmospheric properties of the directly imaged planet HR 8799e with a free retrieval approach. We use our radiative transfer code petitRADTRANS for generating spectra, which we couple to the PyMultiNest… Expand
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