Aperture synthesis in space - Computer fringe blocking

Details Aperture synthesis in space - Computer fringe blocking Aperture synthesis in space - Computer fringe blocking

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1130..109v&link_type=abstract

IN: New technologies for astronomy; Proceedings of the Meeting, Paris, France, Apr. 25, 26, 1989 (A90-37976 16-89). Bellingham,

Astronomy and Astrophysics

Astronomy

3

Fringe Multiplication, Spaceborne Astronomy, Synthetic Apertures, Telescopes, Very Long Base Interferometry, Very Long Baseline Array (Vlba), Angular Resolution, Computer Techniques, Fizeau Effect, Spatial Resolution

Scientific paper

Consideration is given to ways to remap the exit pupils of a ring-shaped array of optical telescopes to obtain simultaneous spectral and angular information about the object under study. Such an array, operated as a long baseline interferometer in space, would attain very large intermiting magnitudes in absence of atmospheric turbulence, and open a new imaging window down to 100-nm wavelengths. The use of this instrument in typical photon-noisy situations is discussed and a spatiotemporal technique is proposed to integrate the flying fringe pattern recorded by a time-tagged detector at its focal plane.

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