EXPRES (Extreme Precision Spectrometer)

EXPRES is the american challenger of... ESPRESSO !! Like the european instrument, the goal is to detect 10 cm/s velocity variation.

The project :
http://exoplanets.astro.yale.edu/instrumentation/expres.php

Debra Fisher's blog with updates :
http://exoplanets.astro.yale.edu/expresBlog/

Press release (March 13, 2018) :
https://news.yale.edu/2018/03/13/yales-expres-instrument-ready-find-next-earth-analog
"...The new instrument, the Extreme Precision Spectrometer (EXPRES), is now operational and collecting data at the Lowell Observatory Discovery Channel Telescope in Arizona. EXPRES will improve measurement precision by a factor of 10, enabling the detection of small, rocky planets around nearby stars..."

article :
https://manyworlds.space/2018/07/18/a-new-frontier-for-exoplanet-hunting/

Very exciting :  
https://twitter.com/FringeDoctor/status/1164827955974959104

https://arxiv.org/abs/2003.08851

An Extreme Precision Radial Velocity Pipeline: First Radial Velocities from EXPRES


https://arxiv.org/abs/2003.08852

Performance Verification of the EXtreme PREcision Spectrograph