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Astrophysics Luncheon Seminar

Atmospheric Models at the Onset of Next-Generation Telescopes
Presented by Natasha Batalha
University of California, Santa Cruz

Monday, May 6, 2019
12:00 noon in 169-336

Abstract
Across all the state-of-the-art pipelines that exist to study atmospheric composition and climate from exoplanets, about half a dozen have been developed for transiting science, a few of which are open-source. On the other hand, for observations of reflected light from directly imagined exoplanets there have only been two, neither of which are open source. With the detection and analysis of reflected light from optical phase curves and optical photometry and the onset of reflected light direct imaging missions on the horizon, such has WFIRST and ELTs, there has been an increasing demand for an accessible, versatile reflected light code. I will present the first open-source radiative transfer model for computing the reflected light of exoplanets at any phase geometry, called PICASO: Planetary Intensity Code for Atmospheric Scattering Observations. I will also describe key steps I am taking towards making tools like PICASO more accessible. Specifically, I will focus on a proposed pipeline that I am developing to increase the accessibility of critical opacity data. I will conclude by describing the ways in which I have leveraged this framework in conjunction with an information content analysis to inform WFIRST mission design studies.

JPL Contact: Tiffany Kataria (3-4945)


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