Astrometry with the Keck-Interferometer: the ASTRA project and its science (2008)
Pott, Jorg-Uwe, Woillez, Julien, Akeson, Rachel L., Berkey, Ben, Colavita, Mark M., Cooper, Andrew, ...
The sensitivity and astrometry upgrade ASTRA of the Keck Interferometer is introduced. After a brief overview of the underlying interferometric principles, the technology and concepts of the upgrade...
Keck Interferometer autoaligner : algorithms and techniques (2006)
Hrynevych, Michael A., Tsubota, Kevin, Smythe, Robert, Dahla, Wayne, Bella, Jim, Colavita, M. Mark, ...
The Keck Interferometer includes an autoalignment system consisting of pop-up targets located at strategic locations along the beam trains of each arm of the instrument along with a sensor and...