Integrated approach for contamination control and verification for the Hubble Space Telescope first servicing mission

Randy J. Hedgeland; Patricia A. Hansen; David W. Hughes

doi:10.1117/12.190141

19 October 1994 Integrated approach for contamination control and verification for the Hubble Space Telescope first servicing mission

Randy J. Hedgeland, Patricia A. Hansen, David W. Hughes

Author Affiliations +

Proceedings Volume 2261, Optical System Contamination: Effects, Measurements, and Control IV; (1994) https://doi.org/10.1117/12.190141
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

The Hubble Space Telescope is the first spacecraft designed from its conception to allow for Scientific Instrument upgrading and subsystem maintenance by using the Shuttle. Regular and contingency servicing missions preserve and broaden the scientific objectives of the HST through on-orbit maintenance. To achieve mission success for the Hubble Space Telescope First Servicing Mission, a contamination control methodology was developed and instituted by ensure that scientific instrument performance was not degraded or compromised during fabrication, build-up, ground integration and test activities, on-orbit servicing including Extravehicular Activities, or through on-orbit operational activities. The cleanliness methodology considered the effects of outgassing and surface contaminants on the degradation of the sensitive components. Through plans and procedures for handling sensitive components and the development of a detailed contamination budget extending from Goddard Space Flight Center processing through launch, the preservation of the science capabilities (as affected by contamination) was achieved.

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Randy J. Hedgeland, Patricia A. Hansen, and David W. Hughes "Integrated approach for contamination control and verification for the Hubble Space Telescope first servicing mission", Proc. SPIE 2261, Optical System Contamination: Effects, Measurements, and Control IV, (19 October 1994); https://doi.org/10.1117/12.190141

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