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9 August 2016 Flowdown of the TMT astrometry error budget(s) to the IRIS design
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Abstract
TMT has defined the accuracy to be achieved for both absolute and differential astrometry in its top-level requirements documents. Because of the complexities of different types of astrometric observations, these requirements cannot be used to specify system design parameters directly. The TMT astrometry working group therefore developed detailed astrometry error budgets for a variety of science cases. These error budgets detail how astrometric errors propagate through the calibration, observing and data reduction processes. The budgets need to be condensed into sets of specific requirements that can be used by each subsystem team for design purposes. We show how this flowdown from error budgets to design requirements is achieved for the case of TMT's first-light Infrared Imaging Spectrometer (IRIS) instrument.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Matthias Schöck, David Andersen, John Rogers, Brent Ellerbroek, Eric Chisholm, Jennifer Dunn, Glen Herriot, James Larkin, Anna Moore, Ryuji Suzuki, James Wincentsen, and Shelley Wright "Flowdown of the TMT astrometry error budget(s) to the IRIS design", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 9908AD (9 August 2016); https://doi.org/10.1117/12.2231914
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