Measurement of the Atmospheres of Europa, Ganymede, and Callisto

Wurz, Peter; Vorburger, Audrey; Galli, André; Tulej, Marek; Thomas, Nicolas; Alibert, Yann; Barabash, Stas; Wieser, Martin; Lammer, Helmut (2014). Measurement of the Atmospheres of Europa, Ganymede, and Callisto. In: European Planetary Science Congress 2014. Centro de Congressos do Estoril, Cascais, Portugal. 07. - 12.09.2014.

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The European Space Agency has selected the Jupiter Icy Moons Explorer (JUICE) mission to fly to the Jupiter system and to visit the icy moons Europa, Ganymede, and Callisto. One of the selected scientific instruments is the Particle Environment Package (PEP) that includes a Neutral gas and Ion mass spectrometer (NIM). NIM will measure the composition of the exospheres of these three moons during flybys and in orbit of Ganymede. We present Monte Carlo calculations of Europa's exosphere including all relevant processes to release particles into the exosphere, which are sublimation, sputtering, and the plume release. For the surface composition we compiled composition data from existing spectroscopic observations and from formation models. We derive density profiles for different scenarios (e.g. day/night, in co-rotation flow, ...), and make predictions on the expected NIM measurements for the planned Europa flyby trajectories of JUICE.

Item Type:

Conference or Workshop Item (Paper)

Division/Institute:

08 Faculty of Science > Physics Institute > Space Research and Planetary Sciences
08 Faculty of Science > Physics Institute

UniBE Contributor:

Wurz, Peter, Vorburger, Audrey Helena, Galli, A, Tulej, Marek, Thomas, Nicolas, Alibert, Yann Daniel Pierre

Subjects:

500 Science > 520 Astronomy
600 Technology > 620 Engineering
500 Science > 530 Physics

Series:

EPSC Abstracts

Language:

English

Submitter:

Dora Ursula Zimmerer

Date Deposited:

14 Jun 2021 11:56

Last Modified:

02 Jun 2024 21:57

Additional Information:

EPSC Abstracts. Vol. 9, EPSC2014-504-1, 2014

BORIS DOI:

10.7892/boris.153427

URI:

https://boris.unibe.ch/id/eprint/153427

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