Investigation of enabling interferometry technologies for the GAIA astrometric mission

M. Bisi*, L. Bonino, M. Cecconi, S. Cesare, F. Bertinetto, G. Mana, D. Carollo, M. Gai, M. G. Lattanzi, E. Canuto, F. Donati

*Corresponding author for this work

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Abstract

Within a Technology Research Programme funded by the European Space Agency, a team led by Alenia Aerospazio has investigated and started the development of some technologies which are considered fundamental for the achievement of the scientific objectives of the future astrometric mission GAIA. The activities have been focused on the design of a two- aperture optical interferometer and of a system for the active stabilization of its configuration within few picometers. A laboratory prototype of the active stabilization system has been implemented and tested. The results achieved in the laboratory tests proved that the very challenging requirements imposed by the GAIA astrometric goal of 10 micro-arcsec accuracy can be fulfilled.

Original languageEnglish
Pages (from-to)31-42
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3744
Publication statusPublished - 1999

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    Bisi, M., Bonino, L., Cecconi, M., Cesare, S., Bertinetto, F., Mana, G., ... Donati, F. (1999). Investigation of enabling interferometry technologies for the GAIA astrometric mission. Proceedings of SPIE - The International Society for Optical Engineering, 3744, 31-42.