The EXtreme PREcision Spectrograph (EXPRES) is an
optical fiber fed echelle instrument designed and built at the Yale Exoplanet Laboratory to be installed on the 4.3-meter
Lowell Discovery Telescope operated by
Lowell Observatory
Lowell Observatory is an astronomical observatory in Flagstaff, Arizona, United States. Lowell Observatory was established in 1894, placing it among the oldest observatories in the United States, and was designated a National Historic Landmark ...
. It has a goal to achieve 10 cm/s radial velocity precision. It uses a laser
frequency comb (LFC) to calibrate the primary wavelength for EXPRES.
[ EXPRES: A Next Generation RV Spectrograph in the Search for Earth-like Worlds]
See also
*
ESPRESSO spectrograph
*
HARPS3
References
Astronomical instruments
Telescope instruments
Exoplanet search projects
Spectrographs
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