SPIRou @ CFHT: data reduction software and simulation tools

Étienne Artigau; François Bouchy; Xavier Delfosse; Xavier Bonfils; Jean-François Donati; Pedro Figueira; Karun Thanjavur; David Lafrenière; René Doyon; Christian Surace; Claire Moutou; Isabelle Boisse; Leslie Saddlemyer; David Loop; Driss Kouach; Francesco Pepe; Christophe Lovis; Olivier Hernandez; Shiang-Yu Wang

doi:10.1117/12.926334

24 September 2012 SPIRou @ CFHT: data reduction software and simulation tools

Étienne Artigau, François Bouchy, Xavier Delfosse, Xavier Bonfils, Jean-François Donati, Pedro Figueira, Karun Thanjavur, David Lafrenière, René Doyon, Christian Surace, Claire Moutou, Isabelle Boisse, Leslie Saddlemyer, David Loop, Driss Kouach, Francesco Pepe, Christophe Lovis, Olivier Hernandez, Shiang-Yu Wang

Author Affiliations +

Proceedings Volume 8451, Software and Cyberinfrastructure for Astronomy II; 84513I (2012) https://doi.org/10.1117/12.926334
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

SPIRou is a near-infrared, echelle spectropolarimeter/velocimeter under design for the 3.6m Canada-France- Hawaii Telescope (CFHT) on Mauna Kea, Hawaii. The unique scientific capabilities and technical design features are described in the accompanying papers at this conference. In this paper we focus on the data reduction software (DRS) and the data simulation tool. The SPIRou DRS builds upon the experience of the existing SOPHIE, HARPS and ESPADONS spectrographs; class-leaders instruments for high-precision RV measurements and spectropolarimetry. While SPIRou shares many characteristics with these instruments, moving to the near- infrared domain brings specific data-processing challenges: the presence of a large number of telluric absorption lines, strong emission sky lines, thermal background, science arrays with poorer cosmetics, etc. In order for the DRS to be fully functional for SPIRou's first light in 2015, we developed a data simulation tool that incorporates numerous instrumental and observational e_ects. We present an overview of the DRS and the simulation tool architectures.

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Étienne Artigau, François Bouchy, Xavier Delfosse, Xavier Bonfils, Jean-François Donati, Pedro Figueira, Karun Thanjavur, David Lafrenière, René Doyon, Christian Surace, Claire Moutou, Isabelle Boisse, Leslie Saddlemyer, David Loop, Driss Kouach, Francesco Pepe, Christophe Lovis, Olivier Hernandez, and Shiang-Yu Wang "SPIRou @ CFHT: data reduction software and simulation tools", Proc. SPIE 8451, Software and Cyberinfrastructure for Astronomy II, 84513I (24 September 2012); https://doi.org/10.1117/12.926334

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