Exoplanet Atmospheres Hot Jupiter Exoplanets

My current primary research focuses on developing physics based models to interpret the observations of Exoplanet atmospheres. We have developed an extensive public library of simulated atmospheric spectra and chemical composition of 117 exoplanets which can be extremely useful to choose scientifically important targets for James Webb Space Telescope (JWST), Hubble Space Telescope (HST) and various ground based telescopes, along with interpreting existing observations. This library is publicly available online (Atmospheric Library of far away worlds) and the details can be found in Goyal et al. 2017, MNRAS . This library has been applied to interpret observations of various exoplanets (see for eg. Wakeford et al. 2017 AJ, Goyal et al. 2017, MNRAS).

In our upcoming work, we will also add emission spectra and contributon functions of various exoplanets to this public library, along with their atmospheric pressure-temperaure (P-T) structure. The application of this upcoming work can be found in Evans et al. 2017, Nature, where a stratosphere was detected in the atmosphere of ultra hot gas-giant exoplanet WASP-121b and Nikolov et al. 2017, MNRAS which identified the isothermal emission spectrum of HAT-P-32b.

Figure below shows an example of how this library of models can be used to select best targets and plan observations using different modes of JWST.

Hot Jupiter Exoplanets

WASP-17b best fit model from the library of models for current HST observations,
simulated with Pandexo for different JWST instrument modes.
(See Goyal et al. 2017, MNRAS for details)

Jayesh Goyal © 2017. All Rights Reserved.