Articles
Precise radial velocities of giant stars IV. A correlation between surface gravity and radial velocity variation and a statistical investigation of companion properties. (with S. Hekker, I. A.G. Snellen, C. Aerts, A. Quirrenbach, and S. Reffert), Astronomy and Astrophysics (2008)
Context. Since 1999, we have been conducting a radial velocity survey of 179 K giants...
Radial velocities of giant stars: an investigation of line profile variations (with S. Hekker, I. A. G. Snellen, C. Aerts, A. Quirrenbach, and S. Reffert), Journal of Physics: Conference Series (2008)
Since 1999, a radial velocity survey of 179 red giant stars is ongoing at Lick...
The spin axes orbital alignment of both stars within the eclipsing binary system V1143 Cyg using the Rossiter-McLaughlin effect (with S. Albrecht, S. Reffert, I. Snellen, and A. Quirrenbach), Astronomy and Astrophysics (2007)
Context. The Rossiter-McLaughlin (RM) effect, a rotational effect in eclipsing systems, provides unique insight into...
Precise radial velocities of giant stars. II. Pollux and its planetary companion (with Sabine Reffert, Andreas Quirrenbach, Simon Albrecht, Saskia Hekker, Debra A. Fischer, Geoffrey W. Marcy, and R. Paul Butler), The Astrophysical Journal (2006)
It has long been speculated that the observed periodic radial velocity pattern for the K...
Precise Radial Velocities of Giant Stars. I. Stable stars (with S. Hekker, S. Reffert, A. Quirrenbach, D. A. Fischer, G. W. Marcy, and R. P. Butler), Astronomy and Astrophysics (2006)
Context. Future astrometric missions such as SIM PlanetQuest need very stable reference stars. K giants...
Thesis
A High Precision Radial Velocity Survey of K Giants, Physics (2004)
Precise radial velocity measurements of stars can provide a powerful tool for both examining the...