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20170013_0019
© Sébastien CHASTANET/OMP/IRAP/CNRS Photothèque

Différents éléments optiques du spectrographe de l'instrument SPIRou

Reference

20170013_0019

Production year

2017

Max. size

17.5 x 11.68 cm / 300 dpi

Caption

Various optical elements of the SPIRou (InfraRed SpectroPolarimeter) instrument's spectrograph: prisms, flat reflecting mirror, pupil slicer and objective. SPIRou consists of a near-infrared spectropolarimeter combined with a high-precision velocimeter. Installed at the Cassegrain focus of the Canada-France-Hawaii Telescope (CFHT) at the end of 2017, SPIRou was designed to detect habitable Earth-twin exoplanets in the planetary systems of red dwarf stars in the vicinity of the Sun. It could also unravel the mysteries of the birth of stars and planets, by observing for the first time the magnetic fields of protostars aged just a few hundred thousand years.

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