Astronomical Image Reconstruction Via Space Slit Aperture Telescope

Francois Martin; Albert Bijaoui; Hamid Touma; Claude Aime

doi:10.1117/12.975529

13 October 1986 Astronomical Image Reconstruction Via Space Slit Aperture Telescope

Francois Martin, Albert Bijaoui, Hamid Touma, Claude Aime

Proceedings Volume 0643, Infrared, Adaptive, and Synthetic Aperture Optical Systems; (1986) https://doi.org/10.1117/12.975529
Event: 1986 Technical Symposium Southeast, 1986, Orlando, United States

Abstract

The interest of a ground based slit aperture telescope (SAT) which operates with a long thin pupil has been underlined for applications in the field of high angular resolution observations by speckle-interferometric techniques. The SAT lies halfway between the Michelson stellar interferometer and the standard telescope with circular aperture. We present here the project of a space-SAT for astronomical image reconstruction. A full coverage of the two dimensional Fourier plane can be obtained by rotating the SAT around its optical axis. The method of image reconstruction is analogous to those used in computerized tomography. The interest of the use of a rotating space-SAT among synthetic apertures is its capability of giving a reconstructed image of the astronomical object simultaneously in several light wavelengths, each colored image beeing comparable with the others for fruitful astrophysical applications.

Citation Download Citation

Francois Martin, Albert Bijaoui, Hamid Touma, and Claude Aime "Astronomical Image Reconstruction Via Space Slit Aperture Telescope", Proc. SPIE 0643, Infrared, Adaptive, and Synthetic Aperture Optical Systems, (13 October 1986); https://doi.org/10.1117/12.975529

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