CRIRES+ on sky at the ESO Very Large Telescope - Observing the Universe at infrared wavelengths and high spectral resolution

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Fig. 8

Left: new CRIRES⁺ warm part assembly with etalon system, calibration slide, AO system and de-rotator mechanism. Right: refurbished and enhanced warm part including the AO system mounted to the CRIRES⁺ cold part during system testing at the ESO integration hall in Garching, Germany.

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