Events

Ice Giant Systems Seminar Series

Discussing recent developments in topics related to the Ice Giant systems.

Each seminar will host a guest speaker, followed by a lively discussion and community updates & news.

Events are held on the second Tuesday of the month at 11:00 AM ET.

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Upcoming Events

August 9, 2022 11:00 - 12:00 EDT

Ice Giant Systems Seminar Series: Dr. Naomi Rowe-Gurney

Zoom

Presenter: Dr. Naomi Rowe-Gurney (NASA Goddard)
Topic: Neptune's Atmospheric Structure from the Spitzer Infrared Spectrometer
Abstract: NASA's Spitzer Infrared Spectrometer (IRS) acquired mid-infrared (5 - 37 micron) disc-averaged spectra of Neptune multiple times between 2004 and 2006. The data from 2005 is analysed using optimal estimation retrievals for the first time. The disc-averaged thermal and chemical structure from Spitzer will likely be our best characterisation of Neptune's thermal structure until JWST/MIRI acquires spatially resolved mid-infrared spectroscopy in the next year.

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Questions? jodi.berdis@jhuapl.edu

September 13, 2022 11:00 - 12:00 EDT

Ice Giant Systems Seminar Series: Dr. Amy Simon

Zoom

Presenter: Dr. Amy Simon (NASA Goddard)
Topic: Observing Neptune's Great Dark Spots
Abstract: Neptune's iconic Great Dark Spot, seen by Voyager 2 in 1989, had disappeared before the first Hubble Space Telescope observations in 1995. However, several new dark spots have been observed from 1995 to 2022. This talk will discuss their behavior and longevity as observed by Hubble.

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Questions? jodi.berdis@jhuapl.edu

October 11, 2022 11:00 - 12:00 EDT

Ice Giant Systems Seminar Series: Dr. Tanguy Bertrand

Zoom

Presenter: Dr. Tanguy Bertrand (LESIA, Paris Observatory)
Topic: Volatile Transport and Climate Modeling on Triton
Abstract: We developed a Volatile Transport Model (VTM) and a Global Climate Model (GCM) of Triton and tested its ability to simulate its volatile cycles of N2, CH4 and CO as well as the dynamics of its atmosphere. We will present results published in a recent paper (Bertrand et al., 2022) showing how the volatile cycles evolve over long-term and seasonal timescales for varying model parameters, and what scenarios allow for a best match of the available observations. We will also present results regarding the atmosphere dynamics of Triton. Finally, we will discuss the implications of these results and how future observations could help us better understand how Triton works.

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Questions? jodi.berdis@jhuapl.edu

Past Events

June 21, 2022 11:00 - 12:00 EDT

Ice Giant Systems Seminar Series: Dr. Jason Hofgartner

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