24 September 2012 SPIRou @ CFHT: design of the instrument control system
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SPIRou is a near-IR (0.98-2.35μm), echelle spectropolarimeter / high precision velocimeter being designed as a nextgeneration instrument for the 3.6m Canada-France-Hawaii Telescope on Mauna Kea, Hawaii, with the main goals of detecting Earth-like planets around low-mass stars and magnetic fields of forming stars. The unique scientific and technical capabilities of SPIRou are described in a series of eight companion papers. In this paper, the means of controlling the instrument are discussed. Most of the instrument control is fairly normal, using off-the-shelf components where possible and reusing already available code for these components. Some aspects, however, are more challenging. In particular, the paper will focus on the challenges of doing fast (50 Hz) guiding with 30 mas repeatability using the object being observed as a reference and on thermally stabilizing a large optical bench to a very high precision (~1 mK).μ
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gregory A. Barrick, Tom Vermeulen, Sébastien Baratchart, Vladimir A. Reshetov, Shiang-Yu Wang, François Dolon, Olivier Hernandez, Francesco Pepe, François Bouchy, Jennifer Dunn, Michel Dupieux, Gérard Gallou, Marie Larrieu, Alexandre Fonteneau, François Moreau, François Wildi, Laurent P. Parès, James N. Thomas, Chi-Hung Yan, René Doyon, Jean-François Donati, Philippe Vallée, Étienne Artigau, Xavier Delfosse, Patrick Rabou, Simon Thibault, Driss Kouach, David Loop, "SPIRou @ CFHT: design of the instrument control system", Proc. SPIE 8451, Software and Cyberinfrastructure for Astronomy II, 84513J (24 September 2012); doi: 10.1117/12.926392; https://doi.org/10.1117/12.926392


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