A New Method for Calculating Exoplanetary Spectra from 3D Simulations

Statistics – Computation

Scientific paper

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Scientific paper

The atmospheres of hot Jupiters are three-dimensional, non-linear entities and understanding them requires the construction of a hierarchy of models of varying sophistication. I report on a recently completed computational setup, of intermediate sophistication, which couples three-dimensional atmospheric dynamics with dual-band radiative transfer and convective adjustment. The relative simplicity of the setup allows for a more efficient sampling of the broad parameter space of hot Jupiter atmospheres. I also discuss work in progress in further coupling this setup with two approaches for predicting synthetic spectra. This three-way coupling between dynamics, radiation and the resultant spectra will allow us to systematically study the interplay between them and is key towards preparing for the theoretical interpretation of exoplanetary spectra which will be obtained by future space-based missions such as JWST and EChO.

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