System Considerations For A Large Astronomical Space Telescope

Thomas R. Vogt

doi:10.1117/12.953523

1 September 1972 System Considerations For A Large Astronomical Space Telescope

Thomas R. Vogt

Proceedings Volume 0028, Instrumentation in Astronomy I; (1972) https://doi.org/10.1117/12.953523
Event: Instrumentation in Astronomy, 1972, Tucson, United States

Abstract

Studies conducted during the past 2 years at Itek have identified many of the major system level considerations leading to the design of a diffraction limited 3-m-aperture astronomical telescope for NASA's proposed large space telescope (LST) program. Studies in the following areas are described: telescope configuration; primary mirror and system focal ratios; primary mirror configuration, materials, and mount; secondary mirror mount; telescope structural materials; operating temperatures and thermal control; fine pointing; and system maintainability. A tentative system level wave-front error budget is presented for a 3-m-aperture diffraction limited LST, and the practicality of achieving this goal in an opera-tional system late in this decade is commented on.

Citation Download Citation

Thomas R. Vogt "System Considerations For A Large Astronomical Space Telescope", Proc. SPIE 0028, Instrumentation in Astronomy I, (1 September 1972); https://doi.org/10.1117/12.953523

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