Figure 6 from Performance Verification of the EXtreme PREcision Spectrograph

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Performance Verification of the EXtreme PREcision Spectrograph

Authors: Ryan T. Blackman, Debra A. Fischer, Colby A. Jurgenson, David Sawyer, Tyler M. McCracken, Andrew E. Szymkowiak, Ryan R. Petersburg, J. M. Joel Ong, John M. Brewer, Lily L. Zhao, Christopher Leet, Lars A. Buchhave, René Tronsgaard, Joe Llama, Travis Sawyer, Michael Shao, Russell Trahan, Bijan Nemati, Matteo Genoni, Giorgio Pariani, Marco Riva, Paul Fournier, Rafal Pawluczyk, Allen B. Davis, and Samuel H. C. Cabot

2020 The Astronomical Journal 159 238.

Provider: AAS Journals

Caption: Figure 6.

The S/N per pixel values obtained with EXPRES under different seeing conditions at a wavelength of 578 nm, extrapolated for stars of different V-band magnitudes. The solid line represents the median S/N values, while the region around it denotes the best and worse seeing conditions we have encountered.

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