61 citations · 85 across the 4 of their papers we have counts for
4 papers
Multitaper magnitude-squared coherence for time series with missing data: Understanding oscillatory processes traced by multiple observables
Sarah E. Dodson-Robinson, Charlotte Haley
To explore the hypothesis of a common source of variability in two time series, observers may estimate the magnitude-squared coherence (MSC), which is a frequency-domain view of th…
Optimal frequency-domain analysis for spacecraft time series: Introducing the missing-data multitaper power spectrum estimator
Sarah E. Dodson-Robinson, Charlotte Haley
While the Lomb-Scargle periodogram is foundational to astronomy, it has a significant shortcoming: the variance in the estimated power spectrum does not decrease as more data are a…
Magnitude-squared coherence: A powerful tool for disentangling Doppler planet discoveries from stellar activity
Sarah E. Dodson-Robinson, Victor Ramirez Delgado, Justin Harrell +1
If Doppler searches for earth-mass, habitable planets are to succeed, observers must be able to identify and model out stellar activity signals. Here we demonstrate how to diagnose…
The EXPRES Stellar Signals Project II. State of the Field in Disentangling Photospheric Velocities
Lily L. Zhao, Debra A. Fischer, Eric B. Ford +40
Measured spectral shifts due to intrinsic stellar variability (e.g., pulsations, granulation) and activity (e.g., spots, plages) are the largest source of error for extreme precisi…