Advances in the development of a Mach-Zehnder interferometric Doppler imager for seismology of giant planets

Ivan Gonçalves; François-Xavier Schmider; Yves Bresson; Julien Dejonghe; Olivier Preis; Sylvie Robbe-Dubois; Thierry Appourchaux; Patrick Boumier; Jean-Christophe Leclec'h; Gilles Morinaud; Patrick Gaulme; Jason Jackiewicz

doi:10.1117/12.2230982

9 August 2016 Advances in the development of a Mach-Zehnder interferometric Doppler imager for seismology of giant planets

Ivan Gonçalves, François-Xavier Schmider, Yves Bresson, Julien Dejonghe, Olivier Preis, Sylvie Robbe-Dubois, Thierry Appourchaux, Patrick Boumier, Jean-Christophe Leclec'h, Gilles Morinaud, Patrick Gaulme, Jason Jackiewicz

Author Affiliations +

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 99083M (2016) https://doi.org/10.1117/12.2230982
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The measurements of radial velocity fields on planets with a Doppler Spectro-Imager allow the study of atmospheric dynamics of giant planets and the detection of their acoustic oscillations. The frequencies of these oscillations lead to the determination of the internal structure by asteroseismology. A new imaging tachometer, based on a Mach-Zehnder interferometer, has been developed to monitor the Doppler shift of solar lines reflected at the surface of the planets. We present the principle of this instrument. A prototype was designed and built, following the specifications of a future space mission. The performance of the prototype, both at the laboratory and on the sky, is presented here.

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Ivan Gonçalves, François-Xavier Schmider, Yves Bresson, Julien Dejonghe, Olivier Preis, Sylvie Robbe-Dubois, Thierry Appourchaux, Patrick Boumier, Jean-Christophe Leclec'h, Gilles Morinaud, Patrick Gaulme, and Jason Jackiewicz "Advances in the development of a Mach-Zehnder interferometric Doppler imager for seismology of giant planets", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99083M (9 August 2016); https://doi.org/10.1117/12.2230982

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