(Cryogenic Infrared Echelle Spectrometer)
(high resolution IR echelle spectrometer)
CRIRES (Cryogenic Infrared Echelle Spectrometer)
is a high spectral-resolution infrared spectrograph
on European Southern Observatory Very Large Telescope (ESO VLT). Its resolution reaches 100,000
in the 1-5 μm range. Among its goals is radial velocity
measurements to study binary stars and extra-solar planets.
An upgrade to CRIRES (termed CRIRES+) saw first light
in early 2021, with operation expected to begin in October 2021.
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Referenced by pages:
European Southern Observatory Very Large Telescope (ESO VLT)