Progress Report On The High Resolution Spectrograph For The Space Telescope

John C. Brandt

doi:10.1117/12.965722

9 November 1981 Progress Report On The High Resolution Spectrograph For The Space Telescope

John C. Brandt

Proceedings Volume 0279, Ultraviolet and Vacuum Ultraviolet Systems; (1981) https://doi.org/10.1117/12.965722
Event: 1981 Technical Symposium East, 1981, Washington, D.C., United States

Abstract

The instrument design is complete and many components and subsystems have been manufactured and tested. Solar-blind, multichannel, pulse counting detectors for two ultraviolet spectral bands have been developed and satisfactory flight units have been chosen. A large, lightweight graphite-epoxy optical bench, utilizing fingerplate joints with no metallic parts in order to minimize thermal expansion, has been built. Tests of the engineering model torque-motor-driven grating carrousel in that this critical system exceeds our tight specifications for accurate and repeatable angular positioning. A complement of large, high-frequency gratings and an echelle is being completed in several laboratories. Software resident in a computer on the spacecraft will control the spectrograph with the capability to alter procedures in response to real-time evaluation of the data.

Citation Download Citation

John C. Brandt "Progress Report On The High Resolution Spectrograph For The Space Telescope", Proc. SPIE 0279, Ultraviolet and Vacuum Ultraviolet Systems, (9 November 1981); https://doi.org/10.1117/12.965722

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