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Constraining Planet Formation with Spectroscopy of Direct Imaged Planets

In the past decade, several new jovian exoplanets at wide separations have been revealed using ground based telescopes equipped with adaptive optics systems. These planets, with masses between ~2-14 MJup, remain a puzzle for both major planet formation models. At the same time, they offer a powerful tool in the hunt for observational constraints of formation, as they can be characterized with both imaging and spectroscopy. I will describe our recent efforts to push beyond the discovery phase into the realm of detailed characterization of these planetary systems. Using OSIRIS at Keck, we have been targeting known directly imaged planetary systems for detailed mapping of their atmospheres at R~4000. I will describe our findings, including the atmospheric abundance measurements for these planets, which can potentially be used as a diagnostic of formation. I will describe upcoming instrumentation efforts that will improve our ability to obtain spectra for directly imaged planets, including spectrographs in the planning phases for Keck and the future Thirty Meter Telescope, and the discuss prospects for direct exoplanet spectroscopy in the next two decades from the ground.

Speaker: Quinn Konopacky, UC San Diego

Thursday, 12/05/19

Contact:

Website: Click to Visit

Cost:

Free

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Kavli Institute Astrophysics Colloquium

Physics and Astrophysics Building Room 102/103
452 Lomita Mall
Stanford, CA 94305