A proposed medium-term strategy for optical interferometry in space: Report to the ESA astronomy working group by the ESA Space Interferometry Study Team (SIST)

Details A proposed medium-term strategy for optical interferometry in space: Report to the ESA astronomy working group by the ESA Space Interferometry Study Team (SIST) A proposed medium-term strategy for optical interferometry in space: Report to the ESA astronomy working group by the ESA Space Interferometry Study Team (SIST)

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pmts.rept.....n&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Diffraction, Imaging Techniques, Interferometry, Space Exploration, Strategy, Alignment, Astronomy, Fizeau Effect, Magnitude, Michelson Interferometers, Optical Measurement, Tolerances (Mechanics)

Scientific paper

The scientific arguments leading to the requirements for space interferometry, both in terms of its astronomical objectives, and in view of the possibilities attainable from the ground, are presented. It is shown that, at optical wavelengths, space missions will be driven by the requirement to achieve diffraction limited images beyond the magnitude limits achievable from the ground. The Fizeau and Michelson type interferometers are outlined. Above 15 to 20 m baselines, the Michelson interferometer configuration emerges as a preferred candidate, in particular in view of its less strict alignment tolerances. A system level study is proposed to define the detailed design of a 100 m class interferometer for launch around 2005.

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