24 September 2012 SPIRou @ CFHT: design of the instrument control system
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Abstract
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
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Gregory A. Barrick, Gregory A. Barrick, Tom Vermeulen, Tom Vermeulen, Sébastien Baratchart, Sébastien Baratchart, Vladimir A. Reshetov, Vladimir A. Reshetov, Shiang-Yu Wang, Shiang-Yu Wang, François Dolon, François Dolon, Olivier Hernandez, Olivier Hernandez, Francesco Pepe, Francesco Pepe, François Bouchy, François Bouchy, Jennifer Dunn, Jennifer Dunn, Michel Dupieux, Michel Dupieux, Gérard Gallou, Gérard Gallou, Marie Larrieu, Marie Larrieu, Alexandre Fonteneau, Alexandre Fonteneau, François Moreau, François Moreau, François Wildi, François Wildi, Laurent P. Parès, Laurent P. Parès, James N. Thomas, James N. Thomas, Chi-Hung Yan, Chi-Hung Yan, René Doyon, René Doyon, Jean-François Donati, Jean-François Donati, Philippe Vallée, Philippe Vallée, Étienne Artigau, Étienne Artigau, Xavier Delfosse, Xavier Delfosse, Patrick Rabou, Patrick Rabou, Simon Thibault, Simon Thibault, Driss Kouach, Driss Kouach, David Loop, 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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