2 papers
astro-ph.IM2026
Uncovering Hidden Systematics in Extreme-Precision Radial Velocity Measurements
Lily L. Zhao, Debra A. Fischer, Andrew E. Szymkowiak +2
We identify and correct for small but coherent instrumental drifts in seven years of radial velocity data from the EXtreme PREcision Spectrograph (EXPRES). The systematics are most…
astro-ph.EP2024
The Lowell Observatory Solar Telescope: A fiber feed into the EXtreme PREcision Spectrometer
Joe Llama, Lily L. Zhao, John M. Brewer +5
The signal induced by a temperate, terrestrial planet orbiting a Sun-like star is an order of magnitude smaller than the host stars' intrinsic variability. Understanding stellar ac…