Sources of uncertainty in telescope pointing models

Robert L. Meeks

doi:10.1117/12.550753

16 September 2004 Sources of uncertainty in telescope pointing models

Robert L. Meeks

Proceedings Volume 5497, Modeling and Systems Engineering for Astronomy; (2004) https://doi.org/10.1117/12.550753
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

Telescope mount models correct telescope pointing by compensating for repeatable errors. Geometric misalignments and manufacturing errors account for most of the repeatable variation. The pointing performance of a telescope depends strongly on the ability to accurately estimate the repeatable errors in the presence of other sources of uncertainty. This paper reviews the factors contributing to uncertainty in pointing models and describes an approach to eliminating one common but controllable cause of model degradation.

Citation Download Citation

Robert L. Meeks "Sources of uncertainty in telescope pointing models", Proc. SPIE 5497, Modeling and Systems Engineering for Astronomy, (16 September 2004); https://doi.org/10.1117/12.550753

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