On the performance of the Gaia auto-collimating flat mirror assembly: could it be even better?

A. Bos; G. Witvoet; H. P. Pereboom; M. Steinbuch

doi:10.1117/12.2233169

29 July 2016 On the performance of the Gaia auto-collimating flat mirror assembly: could it be even better?

A. Bos, G. Witvoet, H. P. Pereboom, M. Steinbuch

Proceedings Volume 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave; 99044F (2016) https://doi.org/10.1117/12.2233169
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The Auto-collimating Flat Mirror Assembly (AFMA) simulated the rotation of the Gaia satellite around its vertical axis. As such, it was one of the most important ground support equipment tools to test the payload performance of the Gaia mission. Although the performance of TNO's design during commissioning was excellent, one of the challenges of the AFMA design and realisation has proven to be the prediction of the dynamic behaviour of AFMA and the accurate prediction of its performance. Therefore, the dynamic behaviour of Gaia AFMA has recently been re-analysed. Dynamical points of attention are shown, and possible design improvements have been derived.

Citation Download Citation

A. Bos, G. Witvoet, H. P. Pereboom, and M. Steinbuch "On the performance of the Gaia auto-collimating flat mirror assembly: could it be even better?", Proc. SPIE 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, 99044F (29 July 2016); https://doi.org/10.1117/12.2233169

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