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Proceedings Paper

Image stability requirement for the SOFIA telescope
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Paper Abstract

The basis for the pointing stability requirement in the SOFIA telescope is described. Fundamentally, it is desirable to retain the diffraction-limited image quality of the telescope to the shortest wavelengths not dominated by shear-layer seeing effects or intrinsic optical quality of the telescope. Image motion will blur the images, and may cause loss of signal and increased noise in science instruments. The expected diffraction and seeing limited image quality contributions are discussed, an analysis of the effects of image motion on observations is given, and examples related to the specification and to currently predicted performance for the SOFIA telescope are presented.

Paper Details

Date Published: 20 June 2000
PDF: 12 pages
Proc. SPIE 4014, Airborne Telescope Systems, (20 June 2000); doi: 10.1117/12.389101
Show Author Affiliations
Edwin F. Erickson, NASA Ames Research Ctr. (United States)
Edward W. Dunham, NASA Ames Research Ctr. (United States)


Published in SPIE Proceedings Vol. 4014:
Airborne Telescope Systems
Ramsey K. Melugin; Hans-Peter Roeser, Editor(s)

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