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Astrophysics Colloquium

The Roman Galactic Exoplanet Survey
Presented by Scott Gaudi
Scott Gaudi, Ohio State University and JPL Distinguished Visiting Scientist

Thursday, June 11, 2020
Virtual Event starts at 11:00 A.M.

Abstract
Measurements of the demographics of exoplanets over a range of planet and host star properties provide fundamental empirical constraints on theories of planet formation and evolution. I will discuss various efforts to measure and synthesize exoplanet demographics over broad regions of parameter space. Because of its unique sensitivity to low-mass, long-period, and free-floating planets, microlensing is an essential complement to our arsenal of planet detection methods. I will particularly focus on the capabilities of The Roman Space Telescope on measuring the demographics of cold and free-floating planets. I motivate, and provide expectations for, a microlensing survey with Roman, which when combined with the results from Kepler, will yield a nearly complete picture of the demographics of planetary systems throughout the Galaxy.

JPL Contact: Neal Turner


SVCP Astrophysics


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