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20170013_0011
© Sébastien CHASTANET/OMP/IRAP/CNRS Photothèque

Alignement du spectrographe de l’instrument SPIRou

Reference

20170013_0011

Production year

2016

Max. size

59.24 x 39.54 cm / 300 dpi

Caption

Alignment of the SPIRou (InfraRed SpectroPolarimeter) instrument's spectrograph using various test tools. In particular, the mounts are referenced to the cryogenic bench via various movable brass assembly pins. 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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