Space Interferometry Mission: Measuring the Universe

Details Space Interferometry Mission: Measuring the Universe Space Interferometry Mission: Measuring the Universe

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991stin...0057420m&link_type=abstract

Technical Report, Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States

Astronomy and Astrophysics

Astronomy

Michelson Interferometers, Nasa Programs, Spaceborne Astronomy, Astronomical Interferometry, Hipparcos Satellite, Stellar Parallax

Scientific paper

The Space Interferometry Mission (SIM) will be the NASA Origins Program's first space based long baseline interferometric observatory. SIM will use a 10 m Michelson stellar interferometer to provide 4 microarcsecond precision absolute position measurements of stars down to 20th magnitude over its 5 yr. mission lifetime. SIM will also provide technology demonstrations of synthesis imaging and interferometric nulling. This paper describes the what, why and how of the SIM mission, including an overall mission and system description, science objectives, general description of how SIM makes its measurements, description of the design concepts now under consideration, operations concept, and supporting technology program.

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