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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 2.

Mean (solid curves) and maximum (dashed curves) errors in the synthetic spectrum as a function of the number of model layers used, computed by performing retrievals on the measured spectrum of HR 8799b. The reference used is the retrieval with 10,000 model layers (see the text). When about 100 layers are used, the models with isothermal and non-isothermal layers yield the same answers.

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