Test results and operating configuration of the calibration unit for the near-infrared spectropolarimeter SPIRou

S. Perruchot; M. Hobson; F. Bouchy; F. Dolon; I. Boisse; F. Moreau; R. Sottile; F. Wildi

doi:10.1117/12.2312057

6 July 2018 Test results and operating configuration of the calibration unit for the near-infrared spectropolarimeter SPIRou

S. Perruchot, M. Hobson, F. Bouchy, F. Dolon, I. Boisse, F. Moreau, R. Sottile, F. Wildi

Author Affiliations +

Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII; 1070265 (2018) https://doi.org/10.1117/12.2312057
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

SPIRou is a new near-infrared echelle spectropolarimeter and high precision radial velocity instrument, implemented at the 3.6m Canada-France Hawaii Telescope (CFHT, Mauna Kea) in early 2018. It aims at detecting and characterizing Earth-like planets around M dwarfs and studying stellar and planetary formation in the presence of stellar magnetic field. The calibration unit, with its radial-velocity reference module, is essential to the short- and long-term precision at the level of 1 m/s. We describe the final calibration unit that has been installed. We give technical results such as thermal background level, lamps flux level, lamps stability, and report some technical issues with their solution.

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S. Perruchot, M. Hobson, F. Bouchy, F. Dolon, I. Boisse, F. Moreau, R. Sottile, and F. Wildi "Test results and operating configuration of the calibration unit for the near-infrared spectropolarimeter SPIRou", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 1070265 (6 July 2018); https://doi.org/10.1117/12.2312057

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