JOVIS: Jupiter, Oscillation, Variability, Interior Structure

Details JOVIS: Jupiter, Oscillation, Variability, Interior Structure JOVIS: Jupiter, Oscillation, Variability, Interior Structure

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sf2a.conf...83m&link_type=abstract

SF2A-2004: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 14-18, 2004. Edited by F. Combes, D. Barret

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

The measurement of frequencies and amplitudes of p-modes oscillations provides a unique insight into the internal structure of objects like the Sun, solar-like stars or giants planets. The examples of the European missions Soho for the Sun and Corot for the stars tell us that visible precise photometry is one of the most efficient way for such measurements. Jovis is a micro-satellite project presented to the French space agency, derived from the COROT project and dedicated to the seismic analysis of the interior of the Jovian planets. The scientific goals are concerned with such crucial points as the hydrogen equation of state at high pressure (and the possible transition from molecular to metallic state), the planetary formation scenario and the determination of the pressure-density profile. We will develop these points and present the scientific specifications required for obtaining conclusive responses by the seismic analysis. The observation principle, based on the thermodynamics analysis developed by Gaulme and Mosser (these proceedings), will be briefly presented. The payload concept and the mission profile will be exposed.

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