Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.226...35s&link_type=abstract
In ESA Colloq. on Kilometric Opt. Arrays in Space p 35-42 (SEE N86-11096 01-89)
Astronomy and Astrophysics
Astronomy
2
Michelson Interferometers, Spaceborne Astronomy, Spaceborne Telescopes, Spacecraft Design, Synthetic Arrays, Fuel Consumption, Image Reconstruction, Image Resolution, Spacecraft Orbits, Synthetic Apertures
Scientific paper
The concept and performance of (SAMSI) Spacecraft Array for Michelson Spatial Interferometry, an orbiting spatial interferometer comprised of three free-flying spacecraft, two collector telescopes and a central mixing station are described. In the one-dimensional interferometry mode orbits exist which provide natural scanning of the baseline. These orbits place extremely small demands on thrusters and fuel consumption. Resolution of 0.00001 arcsecond and magnitude limits of mv = 15 to 20 are achievable in a single orbit. In the imaging mode, SAMSI could synthesize images equivalent to those produced by equal diameter filled apertures in space, making use of the fuel resupply capability of a space station. Simulations indicate that image reconstruction can be performed with milliarcsecond resolution to a visual magnitude 12 in 12 hr of spiral scanning integration time.
Gezari Daniel Ysa
Stachnik Robert V.
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