| Deep Reconnaissance of Exoplanet Atmospheres with JWST |
| Nikole Lewis, Cornell University |
| Event Type: Astro Seminar |
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| Time: 2:00 PM - 3:00 PM |
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| Location: 726 Broadway, 940, CCPP Seminar |
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| Abstract: With JWST a new window into exoplanet atmospheres is now wide open. Cycle 1 JWST observations of exoplanet hosting systems have already proven the power of this observatory to provide new and transformational insights into exoplanet atmospheres. Here I will focus on key results from JWST Cycle 1 programs that aimed to perform “deep” observations of specific transiting exoplanet hosting systems to explore the physics and chemistry at work in these planetary atmospheres. The JWST Telescope Scientist Team (JWST-TST) used 133 of Cycle 1 guaranteed observing time to perform Deep Reconnaissance of Exoplanet Atmospheres through Multi-instrument Spectroscopy (DREAMS) on three archetypical planets: a hot Jupiter (WASP-17 b), a warm Neptune (HAT-P-26 b), and a temperate Earth (TRAPPIST-1e). Through both transmission and emission observations spanning 0.6-12 microns, the DREAMS survey has uncovered new and unexpected chemistry at work in these atmospheres and allowed us to explore their three-dimensional atmospheric structure. I will additionally discuss complementary observations of additional transiting exoplanet targets with JWST, such as HD189733b, and the expansion of our wavelength coverage on key targets into the ultraviolet with Hubble. In this talk I will set the stage for the transformative exoplanet science being performed with JWST by providing a look at previous state-of-the art observations with Hubble and Spitzer for these targets. I will also look forward to future observations with JWST and Hubble that will continue our reconnaissance of these foundational targets. Link to the Event Video |