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Solar and Planetary Systems

The activities of the team are focused on three major investigations: study of the processes of evolution of the planetary bodies of the Solar System, study of exoplanets, and study of the initial conditions of the Solar System. More specifically, we attempt to study:

- evolution processes by observations of differentiated bodies (terrestrial and giant planets, satellites). These activities are performed through space instruments mounted on orbital or in situ platforms;
- the extra-solar planets by a theoretical but also observational approach through the COROT, PLATO and ARIEL missions;
- the initial conditions for the formation of the Solar System through the study of primitive matter: cometary grains, meteorites, observations of primitive bodies and the interplanetary environment.

Our approach consists in coupling the observation acquired by space instruments, extensive data reduction, numerical modeling and laboratory measurements. These multiple approaches are based on as strong and major instrumental developments with the constant concern to combine both scientific and technological challenges.

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Dernières news

2 years 8 months ago

Congratulations to Cydalise Dumesnil who has been awarded the CNRS Crystal Medal for the quality and originality of her work!
This distinction rewards engineers and technicians who, through their technical expertise and creativity, contribute, alongside researchers, to the advancement of knowledge, to the influence of the CNRS and to the excellence of French research.

2 years 9 months ago

The PLATO project has reached a new stage in the development at IAS of the calibration structure for the flight cameras. The validation tests of the installations started at the beginning of March, on cryogenic vacuum infrastructures deployed in the Saturn thermal chamber, at the IAS calibration station. All the tests have just been successfully completed.

2 years 10 months ago

The PLATO project at IAS has reached a new stage in the development of the flight camera calibration structure. Indeed, after an intense phase of studies, development, and tuning of the integration and validation activities, the validation tests of the cryogenic and vacuum elements around and inside the Saturn tank are starting this week. All the infrastructures and the control/command for this cryogenic test have been realized under the responsibility of the calibration station team.

3 years 3 days ago

The first analyzes of the samples collected from the primitive asteroid Ryugu, to which contribute the MicrOmega instrument developed at IAS, provided a first characterization of the physical and chemical properties of the grains.

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