Development and verification of the TRACE telescope contamination math model

Michael S. Woronowicz

doi:10.1117/12.328502

27 October 1998 Development and verification of the TRACE telescope contamination math model

Michael S. Woronowicz

Proceedings Volume 3427, Optical Systems Contamination and Degradation; (1998) https://doi.org/10.1117/12.328502
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

This paper describes a series of analyses undertaken to estimate the operational neutral direct flux contamination environment within the transition Region and Coronal Explorer telescope. These analyses included details concerning vent effectiveness. TQCM measurement response during instrument and observatory-level thermal-vacuum testing, and indirect location of unidentified sources. In particular, this paper describes analytical and computational model development and the level with which model results corroborated with a and supplemented data collected during instrument and observatory-level thermal vacuum testing. One issue successfully dealt with a recognized problem associated with TRASYS calculations of internal geometries through viewfactor normalization. Confidence in model result affected telescope design, with removal of a previously unrecognized source from the primary mirror base, and redesign and replacement of the telescope ascent vents.

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Michael S. Woronowicz "Development and verification of the TRACE telescope contamination math model", Proc. SPIE 3427, Optical Systems Contamination and Degradation, (27 October 1998); https://doi.org/10.1117/12.328502

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KEYWORDS

Telescopes

CCD cameras

Space telescopes

Charge-coupled devices

Contamination

Instrument modeling

Data modeling

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