Our research group performs Bayesian analyses of Doppler observations of extrasolar planetary systems, particularly those with multiple planets.
We are working in close collaboration with both statisticians and observers, including the NEID, HPF and EXPRES teams.
Radial Velocity Surveys
Publications
Towards Extremely Precise Radial Velocities: II. A Tool For Using Multivariate Gaussian Processes to Model Stellar Activity
The radial velocity method is one of the most successful techniques for the discovery and characterization of exoplanets. Modern …
The EXPRES Stellar-signals Project. I. Description of Data
The EXPRES Stellar-Signals Project is providing sets of high-fidelity, spectroscopic and photometric observations to enable direct …
Evidence for He I 10830A Absorption during the Transit of a Warm Neptune around the M-dwarf GJ 3470 with the Habitable-zone Planet Finder
Understanding the dynamics and kinematics of outflowing atmospheres of hot and warm exoplanets is crucial to understanding the origins …
Toward Extremely Precise Radial Velocities. I. Simulated Solar Spectra for Testing Exoplanet Detection Algorithms
To robustly detect and accurately characterize low-mass planets via Doppler planet surveys, the exoplanet community must develop …
A Sub-Neptune-sized Planet Transiting the M2.5 Dwarf G 9-40: Validation with the Habitable-zone Planet Finder
We validate the discovery of a 2-Earth-radii sub-Neptune-sized planet around the nearby high-proper-motion M2.5 dwarf G 9-40 (EPIC …
Quantifying the Evidence for a Planet in Radial Velocity Data
We present results from a data challenge posed to the radial velocity (RV) community: namely, to quantify the Bayesian …
Retired A Stars and Their Companions. VI. A Pair of Interacting Exoplanet Pairs Around the Subgiants 24 Sextanis and HD 200964
Press Coverage Dance of the planets gets intimate: Discovery News.com, July 30, 2010. Dancing Around a Dying Star: Astrobiology …
The Transit Ingress and the Tilted Orbit of the Extraordinarily Eccentric Exoplanet HD 80606b
Press Coverage Storm Worlds: Alien Wind on National Geographic Channel, May 2010. WUFT. September 30, 2009. WCJB TV-20 (ABC …