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 The Lowell Discovery Telescope (LDT), formerly the Discovery Channel Telescope (DCT), is a aperture telescope owned and operated by Lowell Observatory. The LDT was built at a dark sky site in the Coconino National Forest near Happy Jack, Arizo ...

operated by Lowell Observatory. It has a goal to achieve 10 cm/s radial velocity precision. It uses a laser

frequency comb In optics, a frequency comb is a laser source whose spectrum consists of a series of discrete, equally spaced frequency lines. Frequency combs can be generated by a number of mechanisms, including periodic modulation (in amplitude and/or phase) of a ...

(LFC) to calibrate the primary wavelength for EXPRES. EXPRES: A Next Generation RV Spectrograph in the Search for Earth-like Worlds

References

Astronomical instruments Telescope instruments Exoplanet search projects Spectrographs {{astrobiology-stub

See also

References