June 15, 2006 ARENA workshop 1 SIAMOIS Sismomètre Interférentiel A Mesurer les Oscillations des Intérieurs Stellaires Seismic Interferometer to Measure Oscillations in the Interior of Stars Benoît Mosser, Tristan Buey, Claude Catala, Michel Auvergne, Thierry Appourchaux, Annie Baglin, Caroline Barban, Marc-Antoine Dupret, MarieJo Goupil, Jean-Pierre Maillard, Eric Michel, Reza Samadi, Francois-Xavier Schmider, Frédéric Thévenin, Gérard Vauclair, Denis Fappani et al. Observatoire de Paris/LESIA, IAS, UNSA/LUAN, OMP/LATT, IAP, OCA
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SIAMOIS Sismomètre Interférentiel A Mesurer les Oscillations des Intérieurs Stellaires
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June 15, 2006 ARENA workshop 1
SIAMOIS Sismomètre Interférentiel A Mesurer les Oscillations des Intérieurs Stellaires
Seismic Interferometer to Measure Oscillations in the Interior of Stars
Benoît Mosser, Tristan Buey, Claude Catala, Michel Auvergne, Thierry Appourchaux, Annie Baglin, Caroline Barban, Marc-Antoine Dupret, MarieJo Goupil, Jean-Pierre Maillard, Eric Michel, Reza Samadi,
Francois-Xavier Schmider, Frédéric Thévenin, Gérard Vauclair, Denis Fappani et al. Observatoire de Paris/LESIA, IAS, UNSA/LUAN, OMP/LATT, IAP, OCA
June 15, 2006 ARENA workshop 2
Asteroseismology
The Sun without asteroseismic constraints !
What asteroseismology teaches us ? …. Example of the Sun
June 15, 2006 ARENA workshop 3
Asteroseismology
The Sun without asteroseismic constraints !
What asteroseismology teaches us ? …. Example of the Sun
• Step I : Establish all the requirements of the sub-systems and the interfaces between them.
• Step II : Develop the test benches and equipments, write the invitation to tender for the industrial contractors.
• Step III : Develop the sub-systems (industries and laboratories) or buy them directly when possible (budget and specifications).
• Step IV : Individual acceptance of each sub-systems.• Step V : Environmental qualification.• Step VI : Integration of the sub-systems together up to the instrument level.• Step VII : End-to-end test in laboratory and on the sky, final setup.• Step VIII : After transportation to Dome-C, simple integrity test.
• Some revue are foreseen during the project development.• Like “space instrument” development : quality, management of
configuration, documentation, revues… with limitations!
June 15, 2006 ARENA workshop 13
• Dome C: a unique site for asterosismology3-month continuous observation with duty cycle ~ 90%
• A specific scientific program after• High performances with a 40-cm collector
– Pioneering project at Dome C– FT seismometry: suitable concept for installation and setup at Dome C– Multiplex advantage of FT spectrometry– Small instrument : < 300kg, < 2m3, < 1kW, …– Rather fast development with a demonstrate feasibility.