Microprecision interferometer: scorecard on technology readiness for the Space Interferometer Mission

Details Microprecision interferometer: scorecard on technology readiness for the Space Interferometer Mission Microprecision interferometer: scorecard on technology readiness for the Space Interferometer Mission

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4006..847g&link_type=abstract

Proc. SPIE Vol. 4006, p. 847-858, Interferometry in Optical Astronomy, Pierre J. Lena; Andreas Quirrenbach; Eds.

Astronomy and Astrophysics

Astronomy

Scientific paper

This paper presents the first ever `scorecard' showing how well the Space Interferometer Mission is expected to meet the vibration attenuation requirements for its instrument. The spacecraft reaction wheel assembly, the primary on-board vibration source, shakes the structure in the frequency range from 2 Hz to 1000 Hz. Optical path differences and wavefront tip-tilts must be maintained to a few nanometers and tens of milli-arcseconds respectively, in this disturbance environment.

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