NASA NTRS · 20210001033
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Explore connections, maps & timelines
Unwin, S. C.. 2002-08-22. SIM science operations. https://ntrs.nasa.gov/citations/20210001033
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The astrometric performance of the Space Interferometry Mission relies on precise measurements of the optical pathlength difference of the starlight through the arms of the interferometers that comprise the SIM instrument, and on precise relative distance between a set of fiducials that define the baselines of the interferometers.