A calibration unit for the near-infrared spectropolarimeter SPIRou

Isabelle Boisse; Sandrine Perruchot; François Bouchy; François Dolon; François Moreau; Rico Sottile; François Wildi

doi:10.1117/12.2231678

9 August 2016 A calibration unit for the near-infrared spectropolarimeter SPIRou

Isabelle Boisse, Sandrine Perruchot, François Bouchy, François Dolon, François Moreau, Rico Sottile, François Wildi

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 990868 (2016) https://doi.org/10.1117/12.2231678
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

SPIRou is a near-infrared spectropolarimeter and high precision radial velocity instrument, to be implemented at CFHT in end 2017. It focuses on the search for Earth-like planets around M dwarfs and on the study of stellar and planetary formation in the presence of stellar magnetic field. The calibration unit and the radial-velocity reference module are essential to the short- and long-term precision (1 m/s). We highlight the specificities in the calibration techniques compared to the spectrographs HARPS (at LaSilla, ESO) or SOPHIE (at OHP, France) due to the near-infrared wavelengths, the CMOS detectors, and the instrument design. We also describe the calibration unit architecture, design and production.

Citation Download Citation

Isabelle Boisse, Sandrine Perruchot, François Bouchy, François Dolon, François Moreau, Rico Sottile, and François Wildi "A calibration unit for the near-infrared spectropolarimeter SPIRou", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 990868 (9 August 2016); https://doi.org/10.1117/12.2231678

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